Adding upstream version 1:115.7.0.upstream/1%115.7.0 upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-07 17:32:43 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-07 17:32:43 +0000
commit: 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
tree: a68f146d7fa01f0134297619fbe7e33db084e0aa /comm/taskcluster/ci
parent: Initial commit. (diff)
download: thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
91 files changed, 6096 insertions, 0 deletions
diff --git a/comm/taskcluster/ci/are-we-esmified-yet/kind.yml b/comm/taskcluster/ci/are-we-esmified-yet/kind.yml
new file mode 100644
index 0000000000..f6001d5200
--- /dev/null
+++ b/comm/taskcluster/ci/are-we-esmified-yet/kind.yml
@@ -0,0 +1,43 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - toolchain
+    - fetch
+
+transforms:
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+jobs:
+    check:
+        description: Extracts statistics on remaining JSMs in the codebase
+        run-on-projects: []
+        attributes:
+            cron: true
+        index:
+            product: thunderbird
+            job-name: are-we-esmified-yet
+        treeherder:
+            platform: lint/opt
+            kind: other
+            symbol: js(esm)
+            tier: 2
+        worker-type: t-linux-xlarge-source
+        worker:
+            docker-image: {in-tree: "lint"}
+            max-run-time: 3600
+            artifacts:
+                - type: file
+                  name: public/are-we-esmified-yet.json
+                  path: /builds/worker/artifacts/are-we-esmified-yet.json
+        run:
+            using: run-task
+            comm-checkout: true
+            command: >-
+                mkdir -p /builds/worker/artifacts &&
+                cd ${GECKO_PATH}/comm &&
+                python3 ./taskcluster/scripts/are-we-esmified-yet.py > /builds/worker/artifacts/are-we-esmified-yet.json
diff --git a/comm/taskcluster/ci/balrog/kind.yml b/comm/taskcluster/ci/balrog/kind.yml
new file mode 100644
index 0000000000..cbe3cbaef0
--- /dev/null
+++ b/comm/taskcluster/ci/balrog/kind.yml
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.balrog_submit:transforms
+    - gecko_taskgraph.transforms.scriptworker:add_balrog_scopes
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - beetmover-repackage
+
+only-for-attributes:
+    - shippable
diff --git a/comm/taskcluster/ci/beetmover-checksums/kind.yml b/comm/taskcluster/ci/beetmover-checksums/kind.yml
new file mode 100644
index 0000000000..87e688403d
--- /dev/null
+++ b/comm/taskcluster/ci/beetmover-checksums/kind.yml
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.beetmover_checksums:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - beetmover-repackage
+
+only-for-attributes:
+    - shippable
+
+job-template:
+    shipping-phase: promote
+    attributes:
+        artifact_prefix: public
+        artifact_map:
+            by-release-type:
+                beta|release: comm/taskcluster/comm_taskgraph/manifests/thunderbird_candidates_checksums.yml
+                default: comm/taskcluster/comm_taskgraph/manifests/thunderbird_nightly_checksums.yml
diff --git a/comm/taskcluster/ci/beetmover-repackage/kind.yml b/comm/taskcluster/ci/beetmover-repackage/kind.yml
new file mode 100644
index 0000000000..01ddecb991
--- /dev/null
+++ b/comm/taskcluster/ci/beetmover-repackage/kind.yml
@@ -0,0 +1,54 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.multi_dep:loader
+
+group-by: single-locale
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.beetmover_repackage_l10n:transforms
+    - gecko_taskgraph.transforms.beetmover_repackage:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - build
+    - build-signing
+    - build-mac-signing
+    - build-mac-notarization
+    - repackage
+    - repackage-signing
+    - shippable-l10n
+    - shippable-l10n-mac-signing
+    - shippable-l10n-mac-notarization
+    - shippable-l10n-signing
+    - repackage-l10n
+    - repackage-signing-l10n
+    - partials
+    - partials-signing
+    - repackage-signing-msi
+    - repackage-signing-shippable-l10n-msix
+    - mar-signing
+    - mar-signing-l10n
+
+primary-dependency:
+    - repackage
+    - repackage-l10n
+
+only-for-build-platforms:
+    - linux-shippable/opt
+    - linux64-shippable/opt
+    - linux64-asan-reporter-shippable/opt
+    - macosx64-shippable/opt
+    - win32-shippable/opt
+    - win64-shippable/opt
+    - win64-asan-reporter-shippable/opt
+
+job-template:
+    shipping-phase: promote
+    attributes:
+        artifact_map:
+            by-release-type:
+                beta|release: comm/taskcluster/comm_taskgraph/manifests/thunderbird_candidates.yml
+                default: comm/taskcluster/comm_taskgraph/manifests/thunderbird_nightly.yml
diff --git a/comm/taskcluster/ci/beetmover-source/kind.yml b/comm/taskcluster/ci/beetmover-source/kind.yml
new file mode 100644
index 0000000000..a6b3159f4b
--- /dev/null
+++ b/comm/taskcluster/ci/beetmover-source/kind.yml
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.beetmover:transforms
+    - gecko_taskgraph.transforms.beetmover_source:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-source-signing
+
+job-template:
+    shipping-phase: promote
+    attributes:
+        artifact_map: comm/taskcluster/comm_taskgraph/manifests/source_files.yml
diff --git a/comm/taskcluster/ci/beetmover-strings-source/kind.yml b/comm/taskcluster/ci/beetmover-strings-source/kind.yml
new file mode 100644
index 0000000000..fae5d05e47
--- /dev/null
+++ b/comm/taskcluster/ci/beetmover-strings-source/kind.yml
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.beetmover:transforms
+    - gecko_taskgraph.transforms.beetmover_source:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - shippable-l10n-pre-signing
+
+job-template:
+    shipping-phase: promote
+    shipping-product: thunderbird
+    attributes:
+        artifact_map: comm/taskcluster/comm_taskgraph/manifests/strings_source.yml
diff --git a/comm/taskcluster/ci/bouncer-locations/kind.yml b/comm/taskcluster/ci/bouncer-locations/kind.yml
new file mode 100644
index 0000000000..be2854e5b0
--- /dev/null
+++ b/comm/taskcluster/ci/bouncer-locations/kind.yml
@@ -0,0 +1,52 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - post-beetmover-dummy
+
+transforms:
+    - gecko_taskgraph.transforms.bouncer_locations:transforms
+    - gecko_taskgraph.transforms.release:run_on_releases
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    description: nightly bouncer locations job
+    attributes:
+        shippable: true
+    worker-type: bouncer
+    worker:
+        implementation: bouncer-locations
+    scopes:
+        by-project:
+            comm-central:
+                - project:comm:thunderbird:releng:bouncer:action:locations
+                - project:comm:thunderbird:releng:bouncer:server:production
+            default:
+                - project:comm:thunderbird:releng:bouncer:action:locations
+                - project:comm:thunderbird:releng:bouncer:server:staging
+    shipping-phase: ship
+    treeherder:
+        symbol: BncLoc
+        kind: other
+        tier: 1
+
+jobs:
+    thunderbird:
+        run-on-releases: ['nightly']
+        run-on-projects: ['comm-central']
+        shipping-product: thunderbird
+        bouncer-products:
+            - thunderbird-nightly-latest
+            - thunderbird-nightly-latest-ssl
+            - thunderbird-nightly-latest-l10n
+            - thunderbird-nightly-latest-l10n-ssl
+            - thunderbird-nightly-msi-latest-ssl
+            - thunderbird-nightly-msi-latest-l10n-ssl
+            - thunderbird-nightly-pkg-latest-ssl
+            - thunderbird-nightly-pkg-latest-l10n-ssl
+        treeherder:
+            platform: thunderbird-release/opt
diff --git a/comm/taskcluster/ci/build-mac-notarization/kind.yml b/comm/taskcluster/ci/build-mac-notarization/kind.yml
new file mode 100644
index 0000000000..fd20f843e4
--- /dev/null
+++ b/comm/taskcluster/ci/build-mac-notarization/kind.yml
@@ -0,0 +1,29 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.mac_notarization:transforms
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - build-mac-signing
+
+only-for-attributes:
+    - shippable
+
+job-template:
+    treeherder:
+        symbol: BMN
+    upstream-artifacts:
+        - taskType: signing
+          paths:
+              - public/build/target.tar.gz
+              - public/build/target.pkg
+          formats: ["apple_notarization"]
+          taskId:
+              task-reference: <build-mac-signing>
diff --git a/comm/taskcluster/ci/build-mac-signing/kind.yml b/comm/taskcluster/ci/build-mac-signing/kind.yml
new file mode 100644
index 0000000000..9719a38882
--- /dev/null
+++ b/comm/taskcluster/ci/build-mac-signing/kind.yml
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.build_signing:transforms
+    - gecko_taskgraph.transforms.signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+kind-dependencies:
+    - build
+
+only-for-attributes:
+    - enable-build-signing
+
+only-for-build-platforms:
+    - macosx64-shippable/opt
+    - macosx64/opt
+    - macosx64/debug
+
+job-template:
+    treeherder:
+        symbol: BMS
+    enable-signing-routes: false
diff --git a/comm/taskcluster/ci/build-signing/kind.yml b/comm/taskcluster/ci/build-signing/kind.yml
new file mode 100644
index 0000000000..ec5bd89727
--- /dev/null
+++ b/comm/taskcluster/ci/build-signing/kind.yml
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.multi_dep:loader
+
+group-by: platform
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.upstream_artifact_task:transforms
+    - gecko_taskgraph.transforms.build_signing:transforms
+    - gecko_taskgraph.transforms.signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+kind-dependencies:
+    - build
+
+primary-dependency:
+    - build
+
+only-for-attributes:
+    - shippable
+    - enable-build-signing
+
+not-for-build-platforms:
+    - macosx64-shippable/opt
+    - macosx64/opt
+    - macosx64/debug
diff --git a/comm/taskcluster/ci/build/kind.yml b/comm/taskcluster/ci/build/kind.yml
new file mode 100644
index 0000000000..1c1b441996
--- /dev/null
+++ b/comm/taskcluster/ci/build/kind.yml
@@ -0,0 +1,52 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - fetch
+    - toolchain
+
+transforms:
+    - gecko_taskgraph.transforms.build:transforms
+    - gecko_taskgraph.transforms.build_attrs:transforms
+    - gecko_taskgraph.transforms.build_lints:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - comm_taskgraph.transforms.tb_build:transforms
+    - gecko_taskgraph.transforms.artifact:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+jobs-from:
+    - linux.yml
+    - macosx.yml
+    - windows.yml
+
+job-defaults:
+    worker:
+        env:
+            MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE: system
+    use-system-python: false
+    run:
+        mozconfig-variant:
+            by-release-type:
+                beta: release
+                release.*: release
+                default: nightly
+        # Note: These settings are only honored by nightly (i.e. shipping) builds
+        update-channel:
+            by-release-type:
+                nightly: nightly
+                beta: beta
+                release.*: release
+                default: null
+        mar-channel-id:
+            by-release-type:
+                release: thunderbird-comm-release
+                beta: thunderbird-comm-beta
+                default: thunderbird-comm-central
+        accepted-mar-channel-ids:
+            by-release-type:
+                release: thunderbird-comm-release
+                beta: thunderbird-comm-beta,thunderbird-comm-release
+                default: thunderbird-comm-central
diff --git a/comm/taskcluster/ci/build/linux.yml b/comm/taskcluster/ci/build/linux.yml
new file mode 100644
index 0000000000..c7898a79e7
--- /dev/null
+++ b/comm/taskcluster/ci/build/linux.yml
@@ -0,0 +1,405 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+job-defaults:
+    worker-type: b-linux-gcp
+    run:
+        using: mozharness
+        comm-checkout: true
+        actions: [build]
+        config-paths:
+            - comm/testing/mozharness/configs
+        script: "mozharness/scripts/fx_desktop_build.py"
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-pkgconf
+            - linux64-rust-size
+            - sysroot-wasm32-wasi
+
+
+linux64/opt:
+    description: "Linux64 Opt"
+    index:
+        product: thunderbird
+        job-name: linux64-opt
+    treeherder:
+        platform: linux64/opt
+        symbol: B
+    worker:
+        max-run-time: 7200
+        env:
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+    use-sccache: true
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-libotr
+            - linux64-rust
+            - linux64-sccache
+            - sysroot-x86_64-linux-gnu
+
+linux64-shippable/opt:
+    description: "Linux64 Shippable"
+    attributes:
+        shippable: true
+        enable-full-crashsymbols: true
+    shipping-phase: build
+    shipping-product: thunderbird
+    index:
+        product: thunderbird
+        job-name: linux64-opt
+        type: shippable
+    treeherder:
+        platform: linux64-shippable/opt
+        symbol: B
+    worker:
+        max-run-time: 7200
+        env:
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+            - taskcluster_nightly.py
+    run-on-projects: ['release']
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-libotr
+            - linux64-rust
+            - sysroot-x86_64-linux-gnu
+
+linux64/debug:
+    description: "Linux64 Debug"
+    index:
+        product: thunderbird
+        job-name: linux64-debug
+    treeherder:
+        platform: linux64/debug
+        symbol: B
+    worker:
+        max-run-time: 7200
+        env:
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        custom-build-variant-cfg: debug
+        mozconfig-variant: debug
+    use-sccache: true
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-libotr
+            - linux64-rust
+            - linux64-sccache
+            - sysroot-x86_64-linux-gnu
+
+linux64-asan/opt:
+    description: "Linux64 Opt ASAN"
+    index:
+        product: thunderbird
+        job-name: linux64-asan-opt
+    treeherder:
+        platform: linux64/asan
+        symbol: Bo
+    worker:
+        env:
+            PERFHERDER_EXTRA_OPTIONS: "opt asan"
+            ASAN_OPTIONS: "detect_leaks=0"
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+        max-run-time: 5400
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        custom-build-variant-cfg: asan-tc
+        mozconfig-variant: nightly-asan
+        tooltool-downloads: public
+    run-on-projects: ['comm-central']
+    use-sccache: true
+    optimization:
+        skip-unless-backstop-no-suite: null
+    fetches:
+        toolchain:
+            - linux64-libotr
+            - linux64-llvm-symbolizer
+            - linux64-rust-dev
+            - linux64-sccache
+            - sysroot-x86_64-linux-gnu
+
+linux64-asan-reporter-shippable/opt:
+    description: "Linux64 Opt ASAN Reporter (Shippable)"
+    attributes:
+        shippable: true
+    shipping-product:
+        by-release-type:
+            nightly: thunderbird
+            default: null
+    index:
+        product: thunderbird
+        job-name: linux64-asan-reporter-opt
+        type: shippable
+    treeherder:
+        platform: linux64-asan-reporter/opt
+        symbol: BoR
+    run-on-projects: ['comm-central']
+    worker:
+        env:
+            PERFHERDER_EXTRA_OPTIONS: asan-reporter
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+        max-run-time: 3600
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+            - taskcluster_nightly.py
+        custom-build-variant-cfg: asan-reporter-tc
+        mozconfig-variant: nightly-asan-reporter
+        mar-channel-id:
+            thunderbird-comm-central-asan
+        accepted-mar-channel-ids:
+            thunderbird-comm-central-asan
+    optimization:
+        skip-unless-backstop-no-suite: null
+    fetches:
+        toolchain:
+            - linux64-libotr
+            - linux64-llvm-symbolizer
+            - linux64-rust
+            - linux64-sccache
+            - sysroot-x86_64-linux-gnu
+
+linux64-tsan/opt:
+    description: "Linux64 Opt TSAN"
+    index:
+        product: thunderbird
+        job-name: linux64-tsan-opt
+    treeherder:
+        platform: linux64/tsan
+        symbol: Bo
+    worker:
+        env:
+            PERFHERDER_EXTRA_OPTIONS: "opt tsan"
+            LSAN_OPTIONS: "verbosity=1:log_threads=1"
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+        max-run-time: 5400
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        custom-build-variant-cfg: tsan-tc
+        mozconfig-variant: tsan
+        tooltool-downloads: public
+    run-on-projects: ['comm-central']
+    use-sccache: true
+    optimization:
+        skip-unless-backstop-no-suite: null
+    fetches:
+        toolchain:
+            - linux64-libotr
+            - linux64-llvm-symbolizer
+            - linux64-rust-dev
+            - linux64-sccache
+            - sysroot-x86_64-linux-gnu
+
+linux64-aarch64/opt:
+    description: "Linux64 aarch64 Opt"
+    index:
+        product: thunderbird
+        job-name: linux64-aarch64-opt
+    attributes:
+        enable-full-crashsymbols: true
+    treeherder:
+        platform: linux64-aarch64/opt
+        symbol: B
+        tier: 2
+    worker:
+        max-run-time: 7200
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        extra-config:
+            mozconfig_platform: linux64-aarch64
+        mozconfig-variant: opt
+        tooltool-downloads: public
+    run-on-projects: ['comm-central']
+    use-sccache: true
+    optimization:
+        skip-unless-backstop-no-suite: null
+    fetches:
+        toolchain:
+            - linux-aarch64-libotr
+            - linux64-llvm-symbolizer
+            - linux64-rust
+            - linux64-sccache
+            - sysroot-aarch64-linux-gnu
+            - sysroot-x86_64-linux-gnu
+
+linux64-ccov/opt:
+    description: "Linux64-CCov Opt"
+    index:
+        product: thunderbird
+        job-name: linux64-ccov-opt
+    treeherder:
+        platform: linux64-ccov/opt
+        symbol: B
+        tier: 2
+    run-on-projects: ['comm-central']
+    worker:
+        artifacts:
+            - name: public/code-coverage-grcov.zip
+              path: /builds/worker/workspace/obj-build/code-coverage-grcov.zip
+              type: file
+        max-run-time: 7200
+        env:
+            RUSTC_BOOTSTRAP: '1'
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        using: mozharness
+        comm-checkout: true
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        custom-build-variant-cfg: code-coverage-opt
+        mozconfig-variant: code-coverage-opt
+    use-sccache: false
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-libotr
+            - linux64-grcov
+            - linux64-rust
+            - sysroot-x86_64-linux-gnu
+
+linux64-ccov/debug:
+    description: "Linux64-CCov Debug"
+    index:
+        product: thunderbird
+        job-name: linux64-ccov-debug
+    treeherder:
+        platform: linux64-ccov/debug
+        symbol: B
+        tier: 2
+    run-on-projects: []
+    worker:
+        max-run-time: 7200
+        env:
+            RUSTC_BOOTSTRAP: '1'
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        custom-build-variant-cfg: code-coverage-debug
+        mozconfig-variant: code-coverage-debug
+    use-sccache: false
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-libotr
+            - linux64-grcov
+            - linux64-rust
+            - sysroot-x86_64-linux-gnu
+
+linux/opt:
+    description: "Linux32 Opt"
+    index:
+        product: thunderbird
+        job-name: linux32-opt
+    treeherder:
+        platform: linux32/opt
+        symbol: B
+    worker:
+        max-run-time: 7200
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_32_builds.py
+    use-sccache: true
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux32-libotr
+            - linux64-rust
+            - linux64-sccache
+            - sysroot-i686-linux-gnu
+            - sysroot-x86_64-linux-gnu
+
+linux-shippable/opt:
+    description: "Linux32 Shippable"
+    attributes:
+        shippable: true
+        enable-full-crashsymbols: true
+    shipping-phase: build
+    shipping-product: thunderbird
+    index:
+        product: thunderbird
+        job-name: linux32-opt
+        type: shippable
+    treeherder:
+        platform: linux32-shippable/opt
+        symbol: B
+    worker:
+        max-run-time: 7200
+        env:
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_32_builds.py
+            - taskcluster_nightly.py
+    run-on-projects: ['release']
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux32-libotr
+            - linux64-rust
+            - sysroot-i686-linux-gnu
+            - sysroot-x86_64-linux-gnu
+
+linux/debug:
+    description: "Linux32 Debug"
+    index:
+        product: thunderbird
+        job-name: linux32-debug
+    treeherder:
+        platform: linux32/debug
+        symbol: B
+    worker:
+        max-run-time: 7200
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_32_builds.py
+        custom-build-variant-cfg: debug
+        mozconfig-variant: debug
+    use-sccache: true
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux32-libotr
+            - linux64-rust
+            - linux64-sccache
+            - sysroot-i686-linux-gnu
+            - sysroot-x86_64-linux-gnu
diff --git a/comm/taskcluster/ci/build/macosx.yml b/comm/taskcluster/ci/build/macosx.yml
new file mode 100644
index 0000000000..d8510362d4
--- /dev/null
+++ b/comm/taskcluster/ci/build/macosx.yml
@@ -0,0 +1,288 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+job-defaults:
+    index:
+        product: thunderbird
+    worker-type: b-linux-gcp
+    run:
+        using: mozharness
+        comm-checkout: true
+        actions: [build]
+        config-paths:
+            - comm/testing/mozharness/configs
+        script: "mozharness/scripts/fx_desktop_build.py"
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-cctools-port
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-hfsplus
+            - linux64-libdmg
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-macos
+            - linux64-rust-size
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+
+macosx64/debug:
+    description: "MacOS X x64 Cross-compile"
+    index:
+        job-name: macosx64-debug
+    attributes:
+        enable-build-signing: true
+        enable-full-crashsymbols: true
+    treeherder:
+        platform: osx-cross/debug
+        symbol: B
+        tier: 1
+    worker:
+        max-run-time: 7200
+        env:
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_mac_64_cross_builds.py
+        custom-build-variant-cfg: cross-debug
+        mozconfig-variant: debug
+    use-sccache: true
+    fetches:
+        toolchain:
+            - linux64-sccache
+            - macosx64-x64-libotr
+            - macosx64-sdk
+
+macosx64/opt:
+    description: "MacOS X x64 Cross-compile"
+    index:
+        job-name: macosx64-opt
+    attributes:
+        enable-build-signing: true
+        enable-full-crashsymbols: true
+    treeherder:
+        platform: osx-cross/opt
+        symbol: B
+        tier: 1
+    worker:
+        max-run-time: 7200
+        env:
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_mac_64_cross_builds.py
+    use-sccache: true
+    fetches:
+        toolchain:
+            - linux64-sccache
+            - macosx64-x64-libotr
+            - macosx64-sdk
+
+macosx64-x64-shippable/opt:
+    description: "MacOS X x64 Cross-compile"
+    attributes:
+        enable-full-crashsymbols: true
+        skip-verify-test-packaging: true
+    shipping-phase: build
+    shipping-product: thunderbird
+    index:
+        product: thunderbird
+        job-name: macosx64-x64-opt
+        type: shippable
+    treeherder:
+        platform: osx-shippable/opt
+        symbol: B
+        tier: 1
+    run-on-projects: ['release']
+    worker:
+        max-run-time: 7200
+        env:
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_mac_64_cross_builds.py
+            - taskcluster_nightly.py
+    fetches:
+        toolchain:
+            - macosx64-x64-libotr
+            - macosx64-sdk
+
+macosx64-aarch64-shippable/opt:
+    description: "MacOS X aarch64 Cross-compile"
+    attributes:
+        enable-full-crashsymbols: true
+        skip-verify-test-packaging: true
+    shipping-phase: build
+    shipping-product: thunderbird
+    index:
+        product: thunderbird
+        job-name: macosx64-aarch64-opt
+        type: shippable
+    treeherder:
+        platform: osx-aarch64-shippable/opt
+        symbol: B
+        tier: 1
+    run-on-projects: ['release']
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+            PERFHERDER_EXTRA_OPTIONS: aarch64
+    run:
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_mac_64_cross_builds.py
+            - taskcluster_nightly.py
+        extra-config:
+            mozconfig_platform: macosx64-aarch64
+        script: "mozharness/scripts/fx_desktop_build.py"
+    fetches:
+        toolchain:
+            - macosx64-aarch64-libotr
+            - macosx64-sdk
+
+macosx64-shippable/opt:
+    description: "MacOS Universal"
+    attributes:
+        shippable: true
+        enable-build-signing: true
+        skip-upload-crashsymbols: true
+        skip-verify-test-packaging: true
+    shipping-phase: build
+    shipping-product: thunderbird
+    index:
+        product: thunderbird
+        job-name: macosx64-opt
+        type: shippable
+    treeherder:
+        platform: osx-shippable/opt
+        symbol: U
+        tier: 1
+    run-on-projects: ['release']
+    worker:
+        max-run-time: 1800
+    run:
+        job-script: taskcluster/scripts/misc/unify.sh
+        config:
+            - builds/taskcluster_base_thunderbird.py
+    dependencies:
+        macosx64-x64-shippable-opt: build-macosx64-x64-shippable/opt
+        macosx64-aarch64-shippable-opt: build-macosx64-aarch64-shippable/opt
+    fetches:
+        macosx64-x64-shippable-opt:
+            - artifact: target.dmg
+              extract: false
+              dest: x64
+            - artifact: buildhub.json
+              extract: false
+              dest: ../artifacts
+            - artifact: host/bin/mar
+              extract: false
+              dest: ../artifacts/host/bin
+            - artifact: host/bin/mbsdiff
+              extract: false
+              dest: ../artifacts/host/bin
+            - artifact: target.txt
+              extract: false
+              dest: ../artifacts
+            - artifact: target_info.txt
+              extract: false
+              dest: ../artifacts
+            - artifact: target.json
+              extract: false
+              dest: ../artifacts
+            - artifact: target.mozinfo.json
+              extract: false
+              dest: ../artifacts
+            - artifact: target.test_packages.json
+              extract: false
+              dest: ../artifacts
+            - artifact: target.perftests.tests.tar.gz
+              extract: false
+              dest: ../artifacts
+            - artifact: target.common.tests.tar.gz
+              dest: x64/common
+            - artifact: target.cppunittest.tests.tar.gz
+              dest: x64/cppunittest
+            - artifact: target.gtest.tests.tar.gz
+              dest: x64/gtest
+            - artifact: target.jittest.tests.tar.gz
+              dest: x64/jittest
+            - artifact: target.jsreftest.tests.tar.gz
+              dest: x64/jsreftest
+            - artifact: target.mochitest.tests.tar.gz
+              dest: x64/mochitest
+            - artifact: target.reftest.tests.tar.gz
+              dest: x64/reftest
+            - artifact: target.talos.tests.tar.gz
+              dest: x64/talos
+            - artifact: target.raptor.tests.tar.gz
+              dest: x64/raptor
+            - artifact: target.condprof.tests.tar.gz
+              dest: x64/confprof
+            - artifact: target.awsy.tests.tar.gz
+              dest: x64/awsy
+            - artifact: target.xpcshell.tests.tar.gz
+              dest: x64/xpcshell
+            - artifact: target.web-platform.tests.tar.gz
+              dest: x64/web-platform
+            - artifact: target.updater-dep.tests.tar.gz
+              dest: x64/updater-dep
+            - artifact: target.crashreporter-symbols.zip
+              dest: x64/crashreporter-symbols
+            - artifact: target.jsshell.zip
+              dest: x64/jsshell
+            - artifact: target.generated-files.tar.gz
+              extract: false
+              dest: ../artifacts
+            - artifact: target.langpack.xpi
+              extract: false
+              dest: ../artifacts
+            - artifact: mozharness.zip
+              extract: false
+              dest: ../artifacts
+        macosx64-aarch64-shippable-opt:
+            - artifact: target.dmg
+              extract: false
+              dest: aarch64
+            - artifact: target.common.tests.tar.gz
+              dest: aarch64/common
+            - artifact: target.cppunittest.tests.tar.gz
+              dest: aarch64/cppunittest
+            - artifact: target.gtest.tests.tar.gz
+              dest: aarch64/gtest
+            - artifact: target.jittest.tests.tar.gz
+              dest: aarch64/jittest
+            - artifact: target.jsreftest.tests.tar.gz
+              dest: aarch64/jsreftest
+            - artifact: target.mochitest.tests.tar.gz
+              dest: aarch64/mochitest
+            - artifact: target.reftest.tests.tar.gz
+              dest: aarch64/reftest
+            - artifact: target.talos.tests.tar.gz
+              dest: aarch64/talos
+            - artifact: target.raptor.tests.tar.gz
+              dest: aarch64/raptor
+            - artifact: target.condprof.tests.tar.gz
+              dest: aarch64/confprof
+            - artifact: target.awsy.tests.tar.gz
+              dest: aarch64/awsy
+            - artifact: target.xpcshell.tests.tar.gz
+              dest: aarch64/xpcshell
+            - artifact: target.web-platform.tests.tar.gz
+              dest: aarch64/web-platform
+            - artifact: target.updater-dep.tests.tar.gz
+              dest: aarch64/updater-dep
+            - artifact: target.crashreporter-symbols.zip
+              dest: aarch64/crashreporter-symbols
+            - artifact: target.jsshell.zip
+              dest: aarch64/jsshell
diff --git a/comm/taskcluster/ci/build/windows.yml b/comm/taskcluster/ci/build/windows.yml
new file mode 100644
index 0000000000..6592ccd4aa
--- /dev/null
+++ b/comm/taskcluster/ci/build/windows.yml
@@ -0,0 +1,536 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+job-defaults:
+    run:
+        using: mozharness
+        comm-checkout: true
+        config-paths:
+            - comm/testing/mozharness/configs
+
+win32/opt:
+    description: "Win32 Opt (Cross)"
+    index:
+        product: thunderbird
+        job-name: win32-opt
+    attributes:
+        enable-build-signing: true
+        enable-full-crashsymbols: true
+    treeherder:
+        platform: windows2012-32/opt
+        symbol: B
+        tier: 1
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: cross
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        extra-config:
+            stage_platform: win32
+            mozconfig_platform: win32
+    use-sccache: true
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-cross
+            - linux64-rust-size
+            - linux64-sccache
+            - linux64-winchecksec
+            - linux64-wine
+            - nsis
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+            - win32-libotr
+            - vs
+        fetch:
+            - upx-3.95-win
+
+win32-shippable/opt:
+    description: "Win32 Opt Shippable"
+    index:
+        product: thunderbird
+        job-name: win32-opt
+        type: shippable
+    attributes:
+        shippable: true
+        enable-build-signing: true
+        enable-full-crashsymbols: true
+    shipping-phase: build
+    shipping-product: thunderbird
+    treeherder:
+        platform: windows2012-32-shippable/opt
+        symbol: B
+        tier: 1
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: cross
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+            - taskcluster_nightly.py
+        extra-config:
+            stage_platform: win32
+            mozconfig_platform: win32
+    run-on-projects: ['release']
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-cross
+            - linux64-rust-size
+            - linux64-winchecksec
+            - linux64-wine
+            - nsis
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+            - win32-libotr
+            - vs
+        fetch:
+            - upx-3.95-win
+
+win32/debug:
+    description: "Win32 Debug (Cross)"
+    index:
+        product: thunderbird
+        job-name: win32-debug
+    attributes:
+        enable-build-signing: true
+        enable-full-crashsymbols: true
+    treeherder:
+        platform: windows2012-32/debug
+        symbol: B
+        tier: 1
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: cross
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+            - builds/taskcluster_sub_win32/debug.py
+        mozconfig-variant: debug
+        extra-config:
+            mozconfig_platform: win32
+    use-sccache: true
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-cross
+            - linux64-rust-size
+            - linux64-sccache
+            - linux64-winchecksec
+            - linux64-wine
+            - nsis
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+            - win32-libotr
+            - vs
+        fetch:
+            - upx-3.95-win
+
+win64/opt:
+    description: "Win64 Opt (Cross)"
+    index:
+        product: thunderbird
+        job-name: win64-opt
+    attributes:
+        enable-build-signing: true
+        enable-full-crashsymbols: true
+    treeherder:
+        platform: windows2012-64/opt
+        symbol: B
+        tier: 1
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: cross
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        extra-config:
+            stage_platform: win64
+            mozconfig_platform: win64
+    use-sccache: true
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-cross
+            - linux64-rust-size
+            - linux64-sccache
+            - linux64-winchecksec
+            - linux64-wine
+            - nsis
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+            - win64-libotr
+            - vs
+        fetch:
+            - upx-3.95-win
+
+win64-shippable/opt:
+    description: "Win64 Opt Shippable"
+    index:
+        product: thunderbird
+        job-name: win64-opt
+        type: shippable
+    attributes:
+        shippable: true
+        enable-build-signing: true
+        enable-full-crashsymbols: true
+    shipping-phase: build
+    shipping-product: thunderbird
+    treeherder:
+        platform: windows2012-64-shippable/opt
+        symbol: B
+        tier: 1
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: cross
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+            - taskcluster_nightly.py
+        extra-config:
+            stage_platform: win64
+            mozconfig_platform: win64
+    run-on-projects: ['release']
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-cross
+            - linux64-rust-size
+            - linux64-winchecksec
+            - linux64-wine
+            - nsis
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+            - win64-libotr
+            - vs
+        fetch:
+            - upx-3.95-win
+
+win64/debug:
+    description: "Win64 Debug (Cross)"
+    index:
+        product: thunderbird
+        job-name: win64-debug
+    attributes:
+        enable-build-signing: true
+        enable-full-crashsymbols: true
+    treeherder:
+        platform: windows2012-64/debug
+        symbol: B
+        tier: 1
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: cross
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+            - builds/taskcluster_sub_win64/debug.py
+        mozconfig-variant: debug
+        extra-config:
+            mozconfig_platform: win64
+    use-sccache: true
+    optimization:
+        skip-suite-only: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-cross
+            - linux64-rust-size
+            - linux64-sccache
+            - linux64-winchecksec
+            - linux64-wine
+            - nsis
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+            - win64-libotr
+            - vs
+        fetch:
+            - upx-3.95-win
+
+
+win64-plain/debug:
+    description: "Win64 Debug Plain"
+    index:
+        product: thunderbird
+        job-name: win64-plain-debug
+    treeherder:
+        platform: windows2012-64/debug
+        symbol: Bp
+        tier: 2
+    worker-type: b-win2012
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: plain
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/taskcluster_base_windows.py
+            - builds/taskcluster_base_win64.py
+        extra-config:
+            disable_package_metrics: true
+            stage_platform: win64
+        mozconfig-variant: plain-debug
+    run-on-projects: ['comm-central']
+    optimization:
+        skip-unless-backstop-no-suite: null
+    fetches:
+        toolchain:
+            - nsis
+            - sysroot-wasm32-wasi
+            - win64-cbindgen
+            - win64-clang
+            - win64-dump_syms
+            - win64-libotr
+            - win64-mozmake
+            - win64-node
+            - win64-nasm
+            - win64-rust
+            - vs
+            - win64-winchecksec
+
+win64-plain/opt:
+    description: "Win64 Opt Plain"
+    index:
+        product: thunderbird
+        job-name: win64-plain-opt
+    treeherder:
+        platform: windows2012-64/opt
+        symbol: Bp
+        tier: 2
+    worker-type: b-win2012
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: plain
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/taskcluster_base_windows.py
+            - builds/taskcluster_base_win64.py
+        extra-config:
+            disable_package_metrics: true
+            stage_platform: win64
+        mozconfig-variant: plain-opt
+    run-on-projects: ['comm-central']
+    optimization:
+        skip-unless-backstop-no-suite: null
+    fetches:
+        toolchain:
+            - nsis
+            - sysroot-wasm32-wasi
+            - win64-cbindgen
+            - win64-clang
+            - win64-dump_syms
+            - win64-libotr
+            - win64-mozmake
+            - win64-node
+            - win64-nasm
+            - win64-rust
+            - vs
+            - win64-winchecksec
+
+win64-asan/opt:
+    description: "Win64 Opt ASAN"
+    index:
+        product: thunderbird
+        job-name: win64-asan-opt
+    treeherder:
+        platform: windows2012-64/asan
+        symbol: Bo
+        tier: 1
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: "opt asan"
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+        extra-config:
+            stage_platform: win64-asan
+            mozconfig_platform: win64
+        mozconfig-variant: nightly-asan
+    run-on-projects: ['comm-central']
+    use-sccache: true
+    optimization:
+        skip-unless-backstop-no-suite: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-cross
+            - linux64-rust-size
+            - linux64-sccache
+            - linux64-winchecksec
+            - linux64-wine
+            - nsis
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+            - win64-libotr
+            - win64-llvm-symbolizer
+            - vs
+        fetch:
+            - upx-3.95-win
+
+win64-asan-reporter-shippable/opt:
+    description: "Win64 Opt ASAN Reporter (Shippable)"
+    attributes:
+        shippable: true
+    shipping-product:
+        by-release-type:
+            nightly: thunderbird
+            default: null
+    index:
+        product: thunderbird
+        job-name: win64-asan-reporter-opt
+        type: shippable
+    treeherder:
+        platform: win64-asan-reporter/opt
+        symbol: BoR
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 7200
+        env:
+            PERFHERDER_EXTRA_OPTIONS: "asan-reporter"
+            MOZ_AUTOMATION_PACKAGE_TESTS: "1"
+    run:
+        actions: [build]
+        options: [append-env-variables-from-configs]
+        script: mozharness/scripts/fx_desktop_build.py
+        config:
+            - builds/taskcluster_base_thunderbird.py
+            - builds/releng_base_linux_64_builds.py
+            - builds/taskcluster_sub_win64/asan_reporter_opt.py
+            - taskcluster_nightly.py
+        extra-config:
+            stage_platform: win64-asan-reporter
+            mozconfig_platform: win64
+        mozconfig-variant: nightly-asan-reporter
+        mar-channel-id:
+            thunderbird-comm-central-asan
+        accepted-mar-channel-ids:
+            thunderbird-comm-central-asan
+    run-on-projects: ['comm-central']
+    optimization:
+        skip-unless-backstop-no-suite: null
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cbindgen
+            - linux64-clang
+            - linux64-dump_syms
+            - linux64-nasm
+            - linux64-node
+            - linux64-rust-cross
+            - linux64-rust-size
+            - linux64-sccache
+            - linux64-winchecksec
+            - linux64-wine
+            - nsis
+            - sysroot-wasm32-wasi
+            - sysroot-x86_64-linux-gnu
+            - win64-libotr
+            - win64-llvm-symbolizer
+            - vs
+        fetch:
+            - upx-3.95-win
diff --git a/comm/taskcluster/ci/code-review/kind.yml b/comm/taskcluster/ci/code-review/kind.yml
new file mode 100644
index 0000000000..da76da0260
--- /dev/null
+++ b/comm/taskcluster/ci/code-review/kind.yml
@@ -0,0 +1,41 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.code_review:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - source-test
+
+jobs:
+    issues:
+        label: code-review-issues
+        description: List all issues found in static analysis and linting tasks
+        worker-type: b-linux-gcp
+
+        # Only run by using the code-review target_tasks_method
+        run-on-projects: []
+
+        # This option permits to run the task
+        # regardless of the soft-dependencies tasks exit status
+        # as we are interested in the task failures
+        requires: all-resolved
+
+        # Publish on pulse
+        routes:
+            - project.relman.codereview.v1.try_ending
+
+        # Dummy execution for now, we only need the pulse message
+        worker:
+            docker-image:
+                in-tree: debian11-amd64-build
+            max-run-time: 600
+        run:
+            using: run-task
+            checkout: false
+            command: /bin/true
diff --git a/comm/taskcluster/ci/config.yml b/comm/taskcluster/ci/config.yml
new file mode 100644
index 0000000000..25f6583be4
--- /dev/null
+++ b/comm/taskcluster/ci/config.yml
@@ -0,0 +1,310 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+trust-domain: comm
+project-repo-param-prefix: comm_
+product-dir: comm/mail
+
+treeherder:
+    group-names:
+        # Images/Packages/Toolchain
+        'Deb8': 'Packages for Debian 8'
+        'Deb8-32': 'Packages for Debian 8 32-bits'
+        'Deb11': 'Packages for Debian 11'
+        'Fetch': 'Fetch and store content'
+        'Ub18': 'Packages for Ubuntu 18.04'
+        'Ub20': 'Packages for Ubuntu 20.04'
+        'I': 'Docker Image Builds'
+        'TA': 'Toolchain builds for Android'
+        'TL': 'Toolchain builds for Linux 64-bits'
+        'TM': 'Toolchain builds for OSX'
+        'TMW': 'Toolchain builds for Windows MinGW'
+        'TW32': 'Toolchain builds for Windows 32-bits'
+        'TW64': 'Toolchain builds for Windows 64-bits'
+
+        # Release promotion
+        'BM': 'Beetmover'
+        'BMcs': 'Beetmover checksums,'
+        'BMcss': 'Beetmover checksums for source'
+        'BMR': 'Beetmover repackages'
+        'c-Up': 'Balrog submission of complete updates'
+        'cs': 'Checksum signing'
+        'css': 'Checksum signing for source'
+        'Flatpak': 'Flatpak image generation'
+        'L10n': 'Localised Repacks'
+        'L10n-Rpk': 'Localized Repackaged Repacks'
+        'l10n-bump': 'L10n Bumper'
+        'langpack': 'Langpack uploads to ATN'
+        'ms': 'Complete MAR signing'
+        'MSI': 'Repack installers into MSIs'
+        'MSIs': 'Signing of Repacked installers of MSIs'
+        'MSIX': 'Repack into MSIX package'
+        'MSIXs': 'Signing of Repack into MSIX package'
+        'p': 'Partial generation'
+        'ps': 'Partials signing'
+        'Rel': 'Release promotion'
+        'rs': 'Repackage signing'
+        'UV': 'Update verify'
+
+        # mozlint
+        'cpp': 'C/C++ checks'
+        'js': 'JavaScript checks'
+        'l10n': 'Localization checks'
+        'misc': 'Misc checks'
+        'pedantic': 'pedantic checks'
+        'py': 'Python checks'
+        'text': 'Check on texts'
+
+        # Tests
+        'X': 'Xpcshell tests'
+        'X-msix': 'Xpcshell tests on msix packages'
+        'M': 'Mochitests'
+        'M-msix': 'Mochitests from MSIX builds'
+
+        'Searchfox': 'Searchfox builds'
+        'doc': 'Source docs'
+
+index:
+    products:
+        - thunderbird
+        - static-analysis
+
+try:
+    ridealong-builds: {}
+
+release-promotion:
+    products:
+        - 'thunderbird'
+    flavors:
+        promote_thunderbird:
+            product: thunderbird
+            target-tasks-method: promote_desktop
+            partial-updates: true
+        push_thunderbird:
+            product: thunderbird
+            target-tasks-method: push_desktop
+            partial-updates: true
+        ship_thunderbird:
+            product: thunderbird
+            target-tasks-method: ship_desktop
+            version-bump: true
+            partial-updates: true
+
+# Paths in this section should not be prefixed by comm/
+# Behavior names are prefixed with 'comm-'
+merge-automation:
+    behaviors:
+        comm-central-to-beta:
+            fetch-version-from: "mail/config/version.txt"
+            version-files:
+                - filename: "mail/config/version.txt"
+                  new-suffix: ''
+                - filename: "mail/config/version_display.txt"
+                  new-suffix: 'b1'
+            replacements:
+                - - mail/config/mozconfigs/l10n-common
+                  - ac_add_options --with-branding=comm/mail/branding/nightly
+                  - ac_add_options --enable-official-branding
+                - - .gecko_rev.yml
+                  - "GECKO_HEAD_REPOSITORY: https://hg.mozilla.org/mozilla-central"
+                  - "GECKO_HEAD_REPOSITORY: https://hg.mozilla.org/releases/mozilla-beta"
+                - - suite/config/version.txt
+                  - a1
+                  - ''
+                - - suite/config/version_display.txt
+                  - a1
+                  - b1
+            merge-old-head: true
+            base-tag: 'BETA_{major_version}_BASE'
+            end-tag: 'BETA_{major_version}_END'
+            from-repo: 'https://hg.mozilla.org/comm-central'
+            from-branch: 'comm'
+            to-repo: 'https://hg.mozilla.org/releases/comm-beta'
+            to-branch: 'comm-beta'
+        comm-bump-central:
+            fetch-version-from: "mail/config/version.txt"
+            version-files:
+                - filename: "mail/config/version.txt"
+                  version-bump: "major"
+                  new-suffix: 'a1'
+                - filename: "mail/config/version_display.txt"
+                  version-bump: "major"
+                  new-suffix: 'a1'
+            replacements:
+                - - suite/config/version.txt
+                  - '{old_suite_version}'
+                  - '{new_suite_version}'
+                - - suite/config/version_display.txt
+                  - '{old_suite_version}'
+                  - '{new_suite_version}'
+            merge-old-head: false
+            end-tag: 'NIGHTLY_{major_version}_END'
+            to-repo: 'https://hg.mozilla.org/comm-central'
+            to-branch: 'comm'
+
+scriptworker:
+    scope-prefix: 'project:comm:thunderbird:releng'
+
+partner-urls:
+    release-partner-attribution: null
+    release-partner-repack: null
+    release-eme-free-repack: null
+
+task-priority:
+    by-project:
+        'comm-esr.*': 'very-high'
+        'comm-beta': 'high'
+        'comm-central': 'medium'
+        'default': 'low'
+
+taskgraph:
+    register: comm_taskgraph:register
+    decision-parameters: 'comm_taskgraph.decision:get_decision_parameters'
+
+workers:
+    aliases:
+        b-linux.*:
+            provisioner: 'comm-{level}'
+            implementation: docker-worker
+            os: linux
+            worker-type: '{alias}'
+        b-win2012:
+            provisioner: 'comm-{level}'
+            implementation: generic-worker
+            os: windows
+            worker-type: '{alias}-azure'
+        images:
+            provisioner: 'comm-{level}'
+            implementation: docker-worker
+            os: linux
+            worker-type: '{alias}'
+        images-gcp:
+            provisioner: '{trust-domain}-{level}'
+            implementation: docker-worker
+            os: linux
+            worker-type: '{alias}'
+        balrog:
+            provisioner: scriptworker-k8s
+            implementation: balrog
+            os: scriptworker
+            worker-type:
+                by-release-level:
+                    production: comm-3-balrog
+                    staging: comm-1-balrog
+        bouncer:
+            provisioner: scriptworker-k8s
+            # Note that this implementation doesn't correspond with a
+            # payload_builder, there are several `bouncer-*` implementations.
+            implementation: bouncer
+            os: scriptworker
+            worker-type:
+                by-release-level:
+                    production: comm-3-bouncer
+                    staging: comm-1-bouncer
+        beetmover:
+            provisioner: scriptworker-k8s
+            implementation: beetmover
+            os: scriptworker
+            worker-type:
+                by-release-level:
+                    production: comm-3-beetmover
+                    staging: comm-1-beetmover
+        linux-depsigning:
+            provisioner: scriptworker-k8s
+            implementation: scriptworker-signing
+            os: linux
+            worker-type: comm-t-signing
+        linux-signing:
+            provisioner: scriptworker-k8s
+            implementation: scriptworker-signing
+            os: linux
+            worker-type:
+                by-release-level:
+                    production: comm-3-signing
+                    staging: comm-t-signing
+        mac-depsigning:
+            provisioner: scriptworker-prov-v1
+            implementation: scriptworker-signing
+            os: macosx
+            worker-type: tb-depsigning-mac-v1
+        mac-signing:
+            provisioner: scriptworker-prov-v1
+            implementation: scriptworker-signing
+            os: macosx
+            worker-type:
+                by-release-level:
+                    production: tb-signing-mac-v1
+                    staging: tb-depsigning-mac-v1
+        tree:
+            provisioner: scriptworker-k8s
+            implementation: treescript
+            os: scriptworker
+            worker-type:
+                by-release-level:
+                    production: comm-3-tree
+                    staging: comm-1-tree
+        t-linux(-large|-xlarge|-xlarge-source):
+            provisioner: comm-t
+            implementation: docker-worker
+            os: linux
+            worker-type: '{alias}-gcp'
+        t-osx-1015-r8:
+            provisioner: releng-hardware
+            implementation: generic-worker
+            os: macosx
+            worker-type: 'gecko-{alias}'
+        t-osx-1100-m1:
+            provisioner: releng-hardware
+            implementation: generic-worker
+            os: macosx
+            worker-type: 'gecko-{alias}'
+        win11-64-2009:
+            provisioner: comm-t
+            implementation: generic-worker
+            os: windows
+            worker-type: '{alias}'
+        succeed:
+            provisioner: built-in
+            implementation: succeed
+            os: none
+            worker-type: succeed
+        misc:
+            provisioner: comm-t
+            implementation: docker-worker
+            os: linux
+            worker-type: misc-gcp
+
+mac-notarization:
+    mac-entitlements:
+        by-platform:
+            macosx64.*:
+                by-release-level:
+                    production: comm/build/macosx/hardenedruntime/production.entitlements.xml
+                    default: comm/build/macosx/hardenedruntime/developer.entitlements.xml
+            default: ''
+    mac-requirements:
+        by-platform:
+            macosx64.*: build/package/mac_osx/requirements.plist
+            default: ''
+
+expiration-policy:
+    by-project:
+        try-comm-central:
+            default: 1 month
+            shortest: 7 days
+            short: 14 days
+            medium: 1 month
+            long: 1 month
+        ash:
+            default: 1 month
+            shortest: 7 days
+            short: 1 month
+            medium: 1 month
+            long: 1 month
+        default:
+            default: 3 months
+            shortest: 7 days
+            short: 1 month
+            medium: 1 year
+            long: 1 year
diff --git a/comm/taskcluster/ci/docker-image/docker-image.yml b/comm/taskcluster/ci/docker-image/docker-image.yml
new file mode 100644
index 0000000000..93b6a172d9
--- /dev/null
+++ b/comm/taskcluster/ci/docker-image/docker-image.yml
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+
+tb-debian-mingw:
+    symbol: I(tb-mingw)
+    parent: debian11-amd64-build
+
+tb-flatpak:
+    symbol: I(flatpak)
+
+tb-atn:
+    symbol: I(tb-atn)
+    parent: debian11-base
diff --git a/comm/taskcluster/ci/docker-image/kind.yml b/comm/taskcluster/ci/docker-image/kind.yml
new file mode 100644
index 0000000000..5865f118da
--- /dev/null
+++ b/comm/taskcluster/ci/docker-image/kind.yml
@@ -0,0 +1,47 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: comm_taskgraph.loader.merge:loader
+reference-base-path: taskcluster/ci
+
+kind-dependencies:
+    - packages
+
+reference-jobs:
+    - android-build
+    - debian8-i386-packages
+    - debian8-i386-raw
+    - debian8-packages
+    - debian8-raw
+    - deb11-toolchain-build
+    - debian11-amd64-build
+    - debian11-base
+    - debian11-packages
+    - debian11-raw
+    - fetch
+    - funsize-update-generator
+    - image_builder
+    - index-task
+    - lint
+    - push-to-try
+    - static-analysis-build
+    - ubuntu1804-base
+    - ubuntu1804-i386-packages
+    - ubuntu1804-i386-raw
+    - ubuntu1804-packages
+    - ubuntu1804-raw
+    - ubuntu1804-test
+    - ubuntu1804-test-base
+    - ubuntu2004-base
+    - ubuntu2004-packages
+    - ubuntu2004-raw
+    - update-verify
+
+transforms:
+    - gecko_taskgraph.transforms.docker_image:transforms
+    - gecko_taskgraph.transforms.cached_tasks:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+jobs-from:
+    - docker-image.yml
diff --git a/comm/taskcluster/ci/fetch/kind.yml b/comm/taskcluster/ci/fetch/kind.yml
new file mode 100644
index 0000000000..aa79cc9c6a
--- /dev/null
+++ b/comm/taskcluster/ci/fetch/kind.yml
@@ -0,0 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: comm_taskgraph.loader.reference:loader
+reference-base-path: taskcluster/ci
diff --git a/comm/taskcluster/ci/l10n-bump/kind.yml b/comm/taskcluster/ci/l10n-bump/kind.yml
new file mode 100644
index 0000000000..b6e6628745
--- /dev/null
+++ b/comm/taskcluster/ci/l10n-bump/kind.yml
@@ -0,0 +1,86 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_version_bump:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+
+job-defaults:
+    worker-type: tree
+    worker:
+        implementation: treescript
+        tags: []
+        bump: false
+        dontbuild: true
+        ignore-closed-tree: false
+        push:
+            by-project:
+                comm-(central|beta): true
+                default: false
+        source-repo:
+            by-release-type:
+                release: https://hg.mozilla.org/releases/comm-esr115
+                beta: https://hg.mozilla.org/releases/comm-beta
+                default: https://hg.mozilla.org/comm-central
+        l10n-bump-info:
+            by-release-type:
+                beta|release:
+                    name: Thunderbird l10n changesets
+                    path: mail/locales/l10n-changesets.json
+                    version-path: mail/config/version.txt
+                    l10n-repo-url: "https://hg.mozilla.org/projects/comm-l10n/json-pushes?version=2&tipsonly=1"
+                    ignore-config:
+                        ja:
+                            - macosx64
+                        ja-JP-mac:
+                            - linux
+                            - linux64
+                            - win32
+                            - win64
+                    platform-configs: [{
+                        "platforms": [
+                            "linux",
+                            "linux64",
+                            "macosx64",
+                            "win32",
+                            "win64",
+                        ],
+                        "path": "mail/locales/shipped-locales",
+                    }]
+                default:
+                    name: Thunderbird l10n changesets
+                    path: mail/locales/l10n-changesets.json
+                    version-path: mail/config/version.txt
+                    ignore-config:
+                        ja:
+                            - macosx64
+                        ja-JP-mac:
+                            - linux
+                            - linux64
+                            - win32
+                            - win64
+                    platform-configs: [{
+                        "platforms": [
+                            "linux",
+                            "linux64",
+                            "macosx64",
+                            "win32",
+                            "win64",
+                        ],
+                        "path": "mail/locales/all-locales",
+                    }]
+
+jobs:
+    l10n-bumper:
+        name: l10n_bumper
+        description: l10n changesets bumper (action/cron)
+        run-on-projects: []
+        treeherder:
+            kind: build
+            platform: linux64/opt
+            symbol: l10n-bump(lb)
+            tier: 1
diff --git a/comm/taskcluster/ci/l10n-cross-channel/kind.yml b/comm/taskcluster/ci/l10n-cross-channel/kind.yml
new file mode 100644
index 0000000000..ff1e645918
--- /dev/null
+++ b/comm/taskcluster/ci/l10n-cross-channel/kind.yml
@@ -0,0 +1,42 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - comm_taskgraph.transforms.tb_cross_channel:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+jobs:
+    quarantine:
+        description: Push strings from all shipping trains to comm-strings-quarantine
+        run-on-projects: []
+        worker-type: b-linux-gcp
+        ssh-key-secret:
+            by-level:
+                "3": project/comm/thunderbird/releng/build/level-3/l10n-cross-channel-quarantine-ssh
+                default: null
+        worker:
+            docker-image: {in-tree: push-to-try}
+            max-run-time: 3600
+            artifacts:
+                - type: directory
+                  name: public/build
+                  path: /builds/worker/artifacts
+            env:
+                TASK_ID: {"task-reference": "<self>"}
+                TASKCLUSTER_PROXY_URL: http://taskcluster
+        treeherder:
+            platform: thunderbird-release/opt
+            tier: 1
+            kind: build
+            symbol: Rel(l10n-cross-channel)
+        run:
+            using: mach
+            comm-checkout: true
+            actions:
+                by-level:
+                    "3": ["prep", "create", "push", "clean"]
+                    default: ["prep", "create", "clean"]
diff --git a/comm/taskcluster/ci/l10n-pre/kind.yml b/comm/taskcluster/ci/l10n-pre/kind.yml
new file mode 100644
index 0000000000..78d2152938
--- /dev/null
+++ b/comm/taskcluster/ci/l10n-pre/kind.yml
@@ -0,0 +1,53 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - toolchain
+
+transforms:
+    - comm_taskgraph.transforms.l10n_pre:transforms
+    - gecko_taskgraph.transforms.build:transforms
+    - gecko_taskgraph.transforms.build_attrs:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    treeherder:
+        symbol: L10n-pre
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 900
+        env:
+            MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE: system
+    locale-list: comm/mail/locales/onchange-locales
+    comm-locales-file: comm/mail/locales/l10n-changesets.json
+    browser-locales-file: browser/locales/l10n-changesets.json
+    run:
+        using: mozharness
+        comm-checkout: true
+        actions:
+            - clone-gecko-locales
+            - clone-monorepo
+            - merge-repos
+            - pack-merged
+        script: comm/taskcluster/scripts/desktop_comm_l10n.py
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            - single_locale/linux64.py
+            - single_locale/tc_common.py
+            - single_locale/thunderbird_split_l10n.py
+            - taskcluster_nightly.py
+        options: []
+    run-on-projects: ['ash']
+    optimization: null
+
+
+jobs:
+    l10n-pre/opt:
+        description: Pre-Localization artifact build
+        treeherder:
+            platform: thunderbird-release/opt
diff --git a/comm/taskcluster/ci/l10n/kind.yml b/comm/taskcluster/ci/l10n/kind.yml
new file mode 100644
index 0000000000..cb9fbbb735
--- /dev/null
+++ b/comm/taskcluster/ci/l10n/kind.yml
@@ -0,0 +1,148 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.multi_dep:loader
+
+group-by: platform
+
+transforms:
+    - comm_taskgraph.transforms.l10n:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - build
+    - build-signing
+    - fetch
+    - l10n-pre
+    - repackage
+    - toolchain
+
+primary-dependency: build
+
+only-for-build-platforms:
+    - linux64/opt
+    - linux/opt
+    - macosx64/opt
+    - win32/opt
+    - win64/opt
+
+job-template:
+    description: Localization
+    locales-file: comm/mail/locales/onchange-locales
+    ignore-locales:
+        by-build-platform:
+            # OSX has a special locale for japanese
+            macosx64.*: [ja, en-US]
+            default: [ja-JP-mac, en-US]
+    run-time:
+        by-build-platform:
+            default: 900
+            win.*: 1800
+    secrets: false
+    dependencies:
+        l10n-pre: l10n-pre-l10n-pre/opt
+    fetches:
+        toolchain:
+            by-build-platform:
+                default: []
+                macosx64.*:
+                    - linux64-libdmg
+                    - linux64-hfsplus
+                win.*:
+                    - linux64-wine
+                    - nsis
+        fetch:
+            by-build-platform:
+                default: []
+                win.*:
+                    - upx-3.95-win
+        l10n-pre:
+            - strings_all.tar.zst
+    tooltool:
+        by-build-platform:
+            default: internal
+            linux.*: public
+    index:
+        type: l10n
+        product: thunderbird
+        job-name:
+            by-build-platform:
+                linux(?!64).*: linux-opt
+                linux64.*: linux64-opt
+                macosx64.*: macosx64-opt
+                win32.*: win32-opt
+                win64.*: win64-opt
+    run-on-projects: ['ash']
+    worker-type: b-linux-gcp
+    treeherder:
+        symbol: L10n
+        tier: 1
+        platform:
+            by-build-platform:
+                linux64: linux64/opt
+                linux: linux32/opt
+                macosx64: osx-cross/opt
+                win32: windows2012-32/opt
+                win64: windows2012-64/opt
+    env:
+        by-build-platform:
+            linux.*:    # linux64 and 32 get same treatment here
+                EN_US_PACKAGE_NAME: target.tar.bz2
+                EN_US_BINARY_URL:
+                    artifact-reference: <build/{artifact_prefix}>
+            macosx64.*:
+                EN_US_PACKAGE_NAME: target.dmg
+                EN_US_BINARY_URL:
+                    artifact-reference: <build/{artifact_prefix}>
+            win.*:
+                EN_US_PACKAGE_NAME: target.zip
+                EN_US_BINARY_URL:
+                    artifact-reference: <build-signing/{artifact_prefix}>
+    mozharness:
+        comm-checkout: true
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            by-build-platform:
+                linux:
+                    - single_locale/linux32.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_linux_common.py
+                    - single_locale/thunderbird.py
+                linux64:
+                    - single_locale/linux64.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_linux_common.py
+                    - single_locale/thunderbird.py
+                macosx64:
+                    - single_locale/macosx64.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_macosx64.py
+                    - single_locale/thunderbird.py
+                win32:
+                    - single_locale/win32.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_win32.py
+                    - single_locale/thunderbird.py
+                win64:
+                    - single_locale/win64.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_win64.py
+                    - single_locale/thunderbird.py
+        # no default, so we fail on new entries
+        actions: ['list-locales', 'setup', 'repack', 'summary']
+        script: mozharness/scripts/desktop_l10n.py
+    when:
+        files-changed:
+            - comm/calendar/locales/**
+            - comm/chat/locales/**
+            - comm/mail/locales/**
+            - comm/testing/mozharness/configs/single_locale/**
+            - testing/mozharness/configs/single_locale/**
+            - testing/mozharness/mozharness/mozilla/l10n/locales.py
+            - testing/mozharness/scripts/desktop_l10n.py
+            - third_party/python/compare-locales/**
+            - toolkit/locales/**
+            - toolkit/mozapps/installer/**
diff --git a/comm/taskcluster/ci/mar-signing-l10n/kind.yml b/comm/taskcluster/ci/mar-signing-l10n/kind.yml
new file mode 100644
index 0000000000..46f138165c
--- /dev/null
+++ b/comm/taskcluster/ci/mar-signing-l10n/kind.yml
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.mar_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - repackage-l10n
+
+only-for-build-platforms:
+    - linux-shippable/opt
+    - linux64-shippable/opt
+    - linux64-asan-reporter-shippable/opt
+    - macosx64-shippable/opt
+    - win32-shippable/opt
+    - win64-shippable/opt
+
+job-template:
+    shipping-phase: promote
+    treeherder-group: ms
+    description-suffix: 'mar signing'
+    required_signoffs:
+        - mar-signing
diff --git a/comm/taskcluster/ci/mar-signing/kind.yml b/comm/taskcluster/ci/mar-signing/kind.yml
new file mode 100644
index 0000000000..af9331487f
--- /dev/null
+++ b/comm/taskcluster/ci/mar-signing/kind.yml
@@ -0,0 +1,29 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.mar_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - repackage
+
+only-for-build-platforms:
+    - linux-shippable/opt
+    - linux64-shippable/opt
+    - linux64-asan-reporter-shippable/opt
+    - macosx64-shippable/opt
+    - win32-shippable/opt
+    - win64-shippable/opt
+    - win64-asan-reporter-shippable/opt
+
+job-template:
+    shipping-phase: promote
+    treeherder-group: ms
+    description-suffix: 'mar signing'
+    required_signoffs:
+        - mar-signing
diff --git a/comm/taskcluster/ci/merge-automation/kind.yml b/comm/taskcluster/ci/merge-automation/kind.yml
new file mode 100644
index 0000000000..2c5290966b
--- /dev/null
+++ b/comm/taskcluster/ci/merge-automation/kind.yml
@@ -0,0 +1,58 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.merge_automation:transforms
+    - comm_taskgraph.transforms.merge_automation:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+
+jobs:
+    merge-automation:
+        name: merge-automation
+        label: merge-automation
+        treeherder:
+            symbol: Rel(merge-automation)
+            tier: 1
+            kind: build
+            platform: thunderbird-release/opt
+        description: Merge repositories for release management.
+        worker-type: tree
+        scopes: []
+        worker:
+            implementation: treescript
+            tags: []
+            bump: false
+            dontbuild: false
+            ignore-closed-tree: true
+            push: false
+            l10n-bump-info:
+                by-behavior:
+                    comm-central-to-beta:
+                        name: Thunderbird l10n changesets
+                        path: mail/locales/l10n-changesets.json
+                        version-path: mail/config/version.txt
+                        l10n-repo-url: "https://hg.mozilla.org/projects/comm-l10n/json-pushes?version=2&tipsonly=1"
+                        ignore-config:
+                            ja:
+                                - macosx64
+                            ja-JP-mac:
+                                - linux
+                                - linux64
+                                - win32
+                                - win64
+                        platform-configs: [{
+                            "platforms": [
+                                "linux",
+                                "linux64",
+                                "macosx64",
+                                "win32",
+                                "win64",
+                            ],
+                            "path": "mail/locales/shipped-locales",
+                        }]
+                    default: null
+        run-on-projects: []
diff --git a/comm/taskcluster/ci/packages/kind.yml b/comm/taskcluster/ci/packages/kind.yml
new file mode 100644
index 0000000000..aa79cc9c6a
--- /dev/null
+++ b/comm/taskcluster/ci/packages/kind.yml
@@ -0,0 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: comm_taskgraph.loader.reference:loader
+reference-base-path: taskcluster/ci
diff --git a/comm/taskcluster/ci/partials-signing/kind.yml b/comm/taskcluster/ci/partials-signing/kind.yml
new file mode 100644
index 0000000000..c01adaedd0
--- /dev/null
+++ b/comm/taskcluster/ci/partials-signing/kind.yml
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.mar_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - partials
+
+job-template:
+    shipping-phase: promote
+    treeherder-group: ps
+    description-suffix: 'partial signing'
+    required_signoffs:
+        - mar-signing
diff --git a/comm/taskcluster/ci/partials/kind.yml b/comm/taskcluster/ci/partials/kind.yml
new file mode 100644
index 0000000000..fdea013cb4
--- /dev/null
+++ b/comm/taskcluster/ci/partials/kind.yml
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.partials:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.partials:transforms
+
+kind-dependencies:
+    - repackage
+    - repackage-l10n
+
+only-for-attributes:
+    - shippable
+
+only-for-build-platforms:
+    - linux-shippable/opt
+    - linux64-shippable/opt
+    - macosx64-shippable/opt
+    - win32-shippable/opt
+    - win64-shippable/opt
+
+job-template:
+    shipping-phase: promote
diff --git a/comm/taskcluster/ci/post-balrog-dummy/kind.yml b/comm/taskcluster/ci/post-balrog-dummy/kind.yml
new file mode 100644
index 0000000000..6b5b90afaf
--- /dev/null
+++ b/comm/taskcluster/ci/post-balrog-dummy/kind.yml
@@ -0,0 +1,21 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.per_platform_dummy:transforms
+    - gecko_taskgraph.transforms.reverse_chunk_deps:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - balrog
+
+job-template:
+    description: Dummy task to deal with max_dependencies
+    run-on-projects: []
+    shipping-phase: promote
+    worker-type: succeed
+    worker:
+        implementation: succeed
diff --git a/comm/taskcluster/ci/post-beetmover-checksums-dummy/kind.yml b/comm/taskcluster/ci/post-beetmover-checksums-dummy/kind.yml
new file mode 100644
index 0000000000..a136d22089
--- /dev/null
+++ b/comm/taskcluster/ci/post-beetmover-checksums-dummy/kind.yml
@@ -0,0 +1,24 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.reverse_chunk_deps:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - beetmover-checksums
+    - release-beetmover-source-checksums
+
+jobs:
+    thunderbird-promote:
+        name: post-beetmover-checksums-dummy
+        description: Dummy task to deal with max_dependencies
+        run-on-projects: []
+        shipping-phase: promote
+        shipping-product: thunderbird
+        worker-type: succeed
+        worker:
+            implementation: succeed
diff --git a/comm/taskcluster/ci/post-beetmover-dummy/kind.yml b/comm/taskcluster/ci/post-beetmover-dummy/kind.yml
new file mode 100644
index 0000000000..adbdcd7306
--- /dev/null
+++ b/comm/taskcluster/ci/post-beetmover-dummy/kind.yml
@@ -0,0 +1,22 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.per_platform_dummy:transforms
+    - gecko_taskgraph.transforms.reverse_chunk_deps:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - beetmover-checksums
+    - beetmover-repackage
+
+job-template:
+    description: Dummy task to deal with max_dependencies
+    run-on-projects: []
+    shipping-phase: promote
+    worker-type: succeed
+    worker:
+        implementation: succeed
diff --git a/comm/taskcluster/ci/release-balrog-scheduling/kind.yml b/comm/taskcluster/ci/release-balrog-scheduling/kind.yml
new file mode 100644
index 0000000000..ea5574cc75
--- /dev/null
+++ b/comm/taskcluster/ci/release-balrog-scheduling/kind.yml
@@ -0,0 +1,63 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.scriptworker:add_balrog_scopes
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-bouncer-check
+    - release-push-langpacks
+
+job-defaults:
+    run-on-projects: []
+    shipping-phase: ship
+    worker-type: balrog
+    worker:
+        implementation: balrog
+        balrog-action: schedule
+
+jobs:
+    thunderbird:
+        description: Schedule Thunderbird publishing in balrog
+        name: release-thunderbird_schedule_publishing_in_balrog
+        shipping-product: thunderbird
+        worker:
+            product: thunderbird
+            publish-rules:
+                by-release-level:
+                    production:
+                        by-release-type:
+                            beta: [43]
+                            release: [17829]
+                            default: []
+                    staging:
+                        by-release-type:
+                            beta: [43]
+                            release: [903]
+                            default: []
+            background-rate:
+                by-release-type:
+                    beta:
+                        by-beta-number:
+                            '1': 15
+                            '(2|3)': 25
+                            '(4|5|6)': 35
+                            default: null
+                    default: null
+            force-fallback-mapping-update:
+                by-release-type:
+                    beta:
+                        by-beta-number:
+                            '1': true
+                            default: false
+                    default: false
+        treeherder:
+            platform: thunderbird-release/opt
+            symbol: Rel(BS)
+            tier: 1
+            kind: build
diff --git a/comm/taskcluster/ci/release-balrog-submit-toplevel/kind.yml b/comm/taskcluster/ci/release-balrog-submit-toplevel/kind.yml
new file mode 100644
index 0000000000..64732d2056
--- /dev/null
+++ b/comm/taskcluster/ci/release-balrog-submit-toplevel/kind.yml
@@ -0,0 +1,53 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.scriptworker:add_balrog_scopes
+    - gecko_taskgraph.transforms.balrog_toplevel:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    run-on-projects: []  # to make sure this never runs in CI
+    shipping-phase: promote
+    worker-type: balrog
+    worker:
+        implementation: balrog
+        balrog-action: v2-submit-toplevel
+        require-mirrors: true
+        archive-domain:
+            by-release-level:
+                production: archive.mozilla.org
+                staging: ftp.stage.mozaws.net
+        download-domain:
+            by-release-level:
+                production: download.mozilla.org
+                staging: bouncer-bouncer-releng.stage.mozaws.net
+    whats-new-config: comm/mail/config/whats_new_page.yml
+
+jobs:
+    thunderbird:
+        name: submit-toplevel-thunderbird-release-to-balrog
+        description: Submit toplevel Thunderbird release to balrog
+        shipping-product: thunderbird
+        worker:
+            product: thunderbird
+            channel-names:
+                by-release-type:
+                    beta: ["beta", "beta-localtest", "beta-cdntest"]
+                    release: ["release", "release-localtest", "release-cdntest", "release-localtest-next"]
+                    default: []
+            rules-to-update:
+                by-release-type:
+                    beta: ["thunderbird-beta-cdntest", "thunderbird-beta-localtest"]
+                    release: ["thunderbird-release115-cdntest", "thunderbird-release115-localtest", "thunderbird-release115-localtest-next"]
+                    default: []
+            platforms: ["linux", "linux64", "macosx64", "win32", "win64"]
+        treeherder:
+            platform: thunderbird-release/opt
+            symbol: Rel(BPTb)
+            tier: 1
+            kind: build
diff --git a/comm/taskcluster/ci/release-beetmover-push-to-release/kind.yml b/comm/taskcluster/ci/release-beetmover-push-to-release/kind.yml
new file mode 100644
index 0000000000..67209a2409
--- /dev/null
+++ b/comm/taskcluster/ci/release-beetmover-push-to-release/kind.yml
@@ -0,0 +1,24 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.beetmover_push_to_release:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-generate-checksums-beetmover
+
+job-defaults:
+    run-on-projects: []
+    shipping-phase: push
+
+jobs:
+    thunderbird-push-to-release:
+        name: thunderbird_push_to_release
+        product: thunderbird
+        shipping-product: thunderbird
+        treeherder-platform: thunderbird-release/opt
diff --git a/comm/taskcluster/ci/release-beetmover-source-checksums/kind.yml b/comm/taskcluster/ci/release-beetmover-source-checksums/kind.yml
new file mode 100644
index 0000000000..7d4560306f
--- /dev/null
+++ b/comm/taskcluster/ci/release-beetmover-source-checksums/kind.yml
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.beetmover_source_checksums:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-source-checksums-signing
+
+job-template:
+    shipping-phase: promote
+    attributes:
+        artifact_prefix: public
+        artifact_map: comm/taskcluster/comm_taskgraph/manifests/source_checksums.yml
diff --git a/comm/taskcluster/ci/release-bouncer-aliases/kind.yml b/comm/taskcluster/ci/release-bouncer-aliases/kind.yml
new file mode 100644
index 0000000000..9f4adfb229
--- /dev/null
+++ b/comm/taskcluster/ci/release-bouncer-aliases/kind.yml
@@ -0,0 +1,53 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.bouncer_aliases:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-bouncer-check
+
+job-defaults:
+    description: Update bouncer aliases job
+    worker-type: bouncer
+    worker:
+        implementation: bouncer-aliases
+    scopes:
+        by-release-level:
+            production:
+                - project:comm:thunderbird:releng:bouncer:action:aliases
+                - project:comm:thunderbird:releng:bouncer:server:production
+            staging:
+                - project:comm:thunderbird:releng:bouncer:action:aliases
+                - project:comm:thunderbird:releng:bouncer:server:staging
+    run-on-projects: []
+    shipping-phase: ship
+    treeherder:
+        symbol: Rel(BncAlias)
+        kind: test
+        tier: 1
+
+jobs:
+    thunderbird:
+        bouncer-products-per-alias:
+            by-release-type:
+                beta:
+                    thunderbird-beta-latest-ssl: installer-ssl
+                    thunderbird-beta-latest: installer
+                    thunderbird-beta-msi-latest-ssl: msi
+                    thunderbird-beta-msix-latest-ssl: msix
+                release:
+                    # Disable on comm-esr115 when the next esr is released
+                    thunderbird-latest-ssl: installer-ssl
+                    thunderbird-latest: installer
+                    thunderbird-msi-latest-ssl: msi
+                    thunderbird-msix-latest-ssl: msix
+                default: {}
+        shipping-product: thunderbird
+        treeherder:
+            platform: thunderbird-release/opt
diff --git a/comm/taskcluster/ci/release-bouncer-check/kind.yml b/comm/taskcluster/ci/release-bouncer-check/kind.yml
new file mode 100644
index 0000000000..97b15d72c4
--- /dev/null
+++ b/comm/taskcluster/ci/release-bouncer-check/kind.yml
@@ -0,0 +1,54 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - release-beetmover-push-to-release
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.bouncer_check:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    name: bouncer-check
+    description: bouncer check
+    run-on-projects: []  # to make sure this never runs as part of CI
+    shipping-phase: push
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 1800
+        docker-image: {in-tree: "update-verify"}
+    run:
+        sparse-profile: mozharness
+    attributes:
+        build_platform: linux64
+        build_type: opt
+    treeherder:
+        symbol: Rel(BncChk)
+        kind: test
+        tier: 1
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
+        index:
+            product: thunderbird
+            job-name: thunderbird-bouncer-check
+        run:
+            comm-checkout: true
+            config:
+                - comm/testing/mozharness/configs/releases/bouncer_thunderbird.py
+            extra-config:
+                by-project:
+                    comm-(beta|esr.*):
+                        locales: ['en-US', 'fr', 'de']
+                        bouncer_prefix: "https://download.mozilla.org/"
+                    default:
+                        locales: ['en-US', 'fr', 'de']
+                        bouncer_prefix: "https://bouncer-bouncer-releng.stage.mozaws.net/"
+        treeherder:
+            platform: thunderbird-release/opt
diff --git a/comm/taskcluster/ci/release-bouncer-sub/kind.yml b/comm/taskcluster/ci/release-bouncer-sub/kind.yml
new file mode 100644
index 0000000000..8142655f84
--- /dev/null
+++ b/comm/taskcluster/ci/release-bouncer-sub/kind.yml
@@ -0,0 +1,38 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.bouncer_submission:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    description: release bouncer submission job
+    worker-type: bouncer
+    worker:
+        implementation: bouncer-submission
+    scopes:
+        by-release-level:
+            production:
+                - project:comm:thunderbird:releng:bouncer:action:submission
+                - project:comm:thunderbird:releng:bouncer:server:production
+            staging:
+                - project:comm:thunderbird:releng:bouncer:action:submission
+                - project:comm:thunderbird:releng:bouncer:server:staging
+    run-on-projects: []
+    shipping-phase: promote
+    locales-file: comm/mail/locales/shipped-locales
+    treeherder:
+        symbol: Rel(BncSub)
+        kind: test
+        tier: 1
+
+jobs:
+    thunderbird:
+        bouncer-platforms: ['linux', 'linux64', 'osx', 'win', 'win64']
+        bouncer-products: ['complete-mar', 'installer', 'installer-ssl', 'partial-mar', 'msi', 'msix']
+        shipping-product: thunderbird
+        treeherder:
+            platform: thunderbird-release/opt
diff --git a/comm/taskcluster/ci/release-final-verify/kind.yml b/comm/taskcluster/ci/release-final-verify/kind.yml
new file mode 100644
index 0000000000..c45e9dc4b9
--- /dev/null
+++ b/comm/taskcluster/ci/release-final-verify/kind.yml
@@ -0,0 +1,36 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - release-bouncer-check
+    - release-update-verify-config
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.final_verify:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    name: final-verify
+    run-on-projects: []  # to make sure this never runs as part of CI
+    worker-type: b-linux-gcp
+    worker:
+        docker-image:
+            in-tree: "update-verify"
+        max-run-time: 7200
+        retry-exit-status: [1]
+
+jobs:
+    thunderbird:
+        description: final verify
+        shipping-phase: push
+        shipping-product: thunderbird
+        treeherder:
+            platform: thunderbird-release/opt
+            kind: test
+            symbol: Rel(FV)
+            tier: 1
diff --git a/comm/taskcluster/ci/release-flatpak-push/kind.yml b/comm/taskcluster/ci/release-flatpak-push/kind.yml
new file mode 100644
index 0000000000..5b6ca98363
--- /dev/null
+++ b/comm/taskcluster/ci/release-flatpak-push/kind.yml
@@ -0,0 +1,42 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release:run_on_releases
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - comm_taskgraph.transforms.release_flatpak_push:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-flatpak-repackage
+
+job-defaults:
+    description: Pushes Flatpaks onto Flathub
+    run-on-projects: []  # to make sure this never runs as part of CI
+    run-on-releases: [beta, release]
+    shipping-phase: ship
+    treeherder:
+        platform: linux64/opt
+        kind: build
+        tier: 2
+    worker-type:
+        by-release-level:
+            production: scriptworker-k8s/comm-3-pushflatpak
+            staging: scriptworker-k8s/comm-1-pushflatpak
+    worker:
+        implementation: push-flatpak
+        channel:
+            by-release-type:
+                beta: beta
+                release: stable
+                default: mock
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
+        flathub-scope: "flathub"
+        treeherder:
+            symbol: Flatpak(push)
diff --git a/comm/taskcluster/ci/release-flatpak-repackage/kind.yml b/comm/taskcluster/ci/release-flatpak-repackage/kind.yml
new file mode 100644
index 0000000000..723fd25c7c
--- /dev/null
+++ b/comm/taskcluster/ci/release-flatpak-repackage/kind.yml
@@ -0,0 +1,70 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release:run_on_releases
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.release_flatpak_repackage:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - post-beetmover-dummy
+
+job-defaults:
+    description: Generates flatpak by repackaging the existing .tar.bz2
+    run-on-projects: []  # to make sure this never runs as part of CI
+    run-on-releases: [beta, release]
+    shipping-phase: promote
+    scopes: []
+    treeherder:
+        platform: linux64-shippable/opt
+        kind: build
+        tier: 2
+    worker-type: b-linux-gcp
+    worker:
+        implementation: docker-worker
+        os: linux
+        max-run-time: 7200
+        docker-image: {in-tree: tb-flatpak}
+        artifacts:
+            - name: public/build
+              type: directory
+              path: /home/worker/artifacts/
+        command:
+            - /bin/bash
+            - -cx
+            - ./runme.sh
+        env:
+            VERSION: "{release_config[version]}"
+            BUILD_NUMBER: "{release_config[build_number]}"
+            CANDIDATES_DIR:
+                by-release-level:
+                    staging:
+                        https://ftp.stage.mozaws.net/pub/{task[shipping-product]}/candidates
+                    production:
+                        https://archive.mozilla.org/pub/{task[shipping-product]}/candidates
+            LC_ALL: C.UTF-8
+            LANG: C.UTF-8
+            L10N_CHANGESETS: "{config_params[comm_head_repository]}/raw-file/{config_params[comm_head_rev]}/mail/locales/l10n-changesets.json"
+            FLATPAK_BRANCH:
+                by-project:
+                    comm-esr.*: stable
+                    default: beta
+            MANIFEST_URL: "{config_params[comm_head_repository]}/file/{config_params[comm_head_rev]}/taskcluster/docker/tb-flatpak/runme.sh"
+            RELEASE_NOTES_URL:
+                by-project:
+                    comm-esr.*: "https://www.thunderbird.net/en-US/thunderbird/{config_params[app_version]}/releasenotes/"
+                    default: "https://www.thunderbird.net/en-US/thunderbird/{config_params[app_version]}beta/releasenotes/"
+        chain-of-trust: true
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
+        attributes:
+            build_platform: linux64-shippable
+            build_type: opt
+        treeherder:
+            symbol: Flatpak(r)
diff --git a/comm/taskcluster/ci/release-generate-checksums-beetmover/kind.yml b/comm/taskcluster/ci/release-generate-checksums-beetmover/kind.yml
new file mode 100644
index 0000000000..57de655b03
--- /dev/null
+++ b/comm/taskcluster/ci/release-generate-checksums-beetmover/kind.yml
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_generate_checksums_beetmover:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-generate-checksums-signing
+
+job-template:
+    shipping-phase: promote
+    attributes:
+        artifact_map: comm/taskcluster/comm_taskgraph/manifests/release_checksums.yml
diff --git a/comm/taskcluster/ci/release-generate-checksums-signing/kind.yml b/comm/taskcluster/ci/release-generate-checksums-signing/kind.yml
new file mode 100644
index 0000000000..2e763e5434
--- /dev/null
+++ b/comm/taskcluster/ci/release-generate-checksums-signing/kind.yml
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+kind-dependencies:
+    - release-generate-checksums
+
+transforms:
+    - gecko_taskgraph.transforms.release_generate_checksums_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-template:
+    shipping-phase: promote
diff --git a/comm/taskcluster/ci/release-generate-checksums/kind.yml b/comm/taskcluster/ci/release-generate-checksums/kind.yml
new file mode 100644
index 0000000000..0aa175b5ad
--- /dev/null
+++ b/comm/taskcluster/ci/release-generate-checksums/kind.yml
@@ -0,0 +1,72 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - beetmover-source
+    - post-beetmover-checksums-dummy
+
+transforms:
+    - gecko_taskgraph.transforms.build:transforms
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.release_generate_checksums:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    name: generate-checksums
+    description: generates checksums
+    run-on-projects: []  # to make sure this never runs as part of CI
+    shipping-phase: promote
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 1200
+        artifacts:
+            - name: public/build/SHA256SUMMARY
+              path: /builds/worker/SHA256SUMMARY
+              type: file
+            - name: public/build/SHA256SUMS
+              path: /builds/worker/SHA256SUMS
+              type: file
+            - name: public/build/SHA512SUMMARY
+              path: /builds/worker/SHA512SUMMARY
+              type: file
+            - name: public/build/SHA512SUMS
+              path: /builds/worker/SHA512SUMS
+              type: file
+    run:
+        using: mozharness
+        comm-checkout: true
+        config: []
+        config-paths:
+            - comm/testing/mozharness/configs
+        actions: [create-virtualenv, collect-individual-checksums, create-big-checksums, create-summary]
+        options:
+            - "version={version}"
+            - "build-number={build_number}"
+        script: "mozharness/scripts/release/generate-checksums.py"
+    treeherder:
+        symbol: Rel(GenChcks)
+        kind: test
+        tier: 1
+    optimization: null
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
+        attributes:
+            build_platform: thunderbird-release
+            build_type: opt
+        run:
+            extra-config:
+                by-release-level:
+                    production:
+                        stage_product: "thunderbird"
+                        bucket_name: "moz-fx-productdelivery-pr-38b5-productdelivery"
+                    staging:
+                        stage_product: "thunderbird"
+                        bucket_name: "moz-fx-productdelivery-no-7d6a-productdelivery"
+        treeherder:
+            platform: thunderbird-release/opt
diff --git a/comm/taskcluster/ci/release-mark-as-shipped/kind.yml b/comm/taskcluster/ci/release-mark-as-shipped/kind.yml
new file mode 100644
index 0000000000..ce35138454
--- /dev/null
+++ b/comm/taskcluster/ci/release-mark-as-shipped/kind.yml
@@ -0,0 +1,44 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.release_mark_as_shipped:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-balrog-scheduling
+    - release-bouncer-aliases
+    - release-version-bump
+
+job-defaults:
+    description: mark release as shipped in Ship-It
+    worker-type:
+        by-release-level:
+            production: scriptworker-k8s/comm-3-shipit
+            staging: scriptworker-k8s/comm-1-shipit
+    worker:
+        implementation: shipit-shipped
+    scopes:
+        by-release-level:
+            production:
+                - project:comm:thunderbird:releng:ship-it:server:production
+                - project:comm:thunderbird:releng:ship-it:action:mark-as-shipped
+            staging:
+                - project:comm:thunderbird:releng:ship-it:server:staging
+                - project:comm:thunderbird:releng:ship-it:action:mark-as-shipped
+    run-on-projects: []
+    shipping-phase: ship
+
+jobs:
+    thunderbird:
+        name: release-thunderbird_mark_as_shipped
+        shipping-product: thunderbird
+        treeherder:
+            platform: thunderbird-release/opt
+            symbol: Rel(ShipIt)
+            tier: 1
+            kind: build
diff --git a/comm/taskcluster/ci/release-notify-av-announce/kind.yml b/comm/taskcluster/ci/release-notify-av-announce/kind.yml
new file mode 100644
index 0000000000..ed528c4ad4
--- /dev/null
+++ b/comm/taskcluster/ci/release-notify-av-announce/kind.yml
@@ -0,0 +1,40 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.release_notifications:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - post-beetmover-dummy
+
+job-defaults:
+    name: notify-av-announce
+    description: Sends email to antivirus vendors telling them that the release is available for scanning.
+    run-on-projects: []
+    shipping-phase: push
+    worker-type: succeed
+    worker:
+        implementation: succeed
+    notifications:
+        # !t is a custom format option that calls .title() on the string.
+        subject: "{task[shipping-product]!t} {release_config[version]} build{release_config[build_number]} release"
+        message: |
+            Company Name: MZLA Technologies
+            Contact Department: Release Engineering
+            Contact email address: tb-builds@thunderbird.net
+            Product information: {task[shipping-product]} {release_config[version]}
+            Product location: https://releases.mozilla.org/pub/{task[shipping-product]}/candidates/{release_config[version]}-candidates/build{release_config[build_number]}/
+        emails:
+            by-project:
+                comm-(beta|esr.*): ["av-vendor-release-announce@mozilla.org"]
+                try-comm-central: ["{config[params][owner]}"]
+                default: []
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
diff --git a/comm/taskcluster/ci/release-notify-promote/kind.yml b/comm/taskcluster/ci/release-notify-promote/kind.yml
new file mode 100644
index 0000000000..281e5b5b88
--- /dev/null
+++ b/comm/taskcluster/ci/release-notify-promote/kind.yml
@@ -0,0 +1,37 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.release_notifications:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - post-beetmover-dummy
+    - release-generate-checksums-beetmover
+    - release-bouncer-sub
+    - beetmover-strings-source
+
+job-defaults:
+    name: notify-release-drivers-promote
+    description: Sends email to tb-drivers telling release was promoted.
+    run-on-projects: []
+    shipping-phase: promote
+    worker-type: succeed
+    worker:
+        implementation: succeed
+    notifications:
+        subject: "{task[shipping-product]} {release_config[version]} build{release_config[build_number]}/{config[params][project]} is in the candidates directory"
+        message: "{task[shipping-product]} {release_config[version]} build{release_config[build_number]}/{config[params][project]} is in the candidates directory"
+        emails:
+            by-project:
+                comm-(beta|esr.*): ["thunderbird-drivers@mozilla.org"]
+                try-comm-central: ["{config[params][owner]}"]
+                default: []
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
diff --git a/comm/taskcluster/ci/release-notify-push/kind.yml b/comm/taskcluster/ci/release-notify-push/kind.yml
new file mode 100644
index 0000000000..afb5a66b08
--- /dev/null
+++ b/comm/taskcluster/ci/release-notify-push/kind.yml
@@ -0,0 +1,34 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.release_notifications:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-beetmover-push-to-release
+
+job-defaults:
+    name: notify-release-drivers-push
+    description: Sends email to tb-drivers telling release was pushed.
+    run-on-projects: []
+    shipping-phase: push
+    worker-type: succeed
+    worker:
+        implementation: succeed
+    notifications:
+        subject: "{task[shipping-product]} {release_config[version]} build{release_config[build_number]}/{config[params][project]} has been pushed to cdntest"
+        message: "{task[shipping-product]} {release_config[version]} build{release_config[build_number]}/{config[params][project]} has been pushed to cdntest"
+        emails:
+            by-project:
+                comm-(beta|esr.*): ["thunderbird-drivers@mozilla.org"]
+                try-comm-central: ["{config[params][owner]}"]
+                default: []
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
diff --git a/comm/taskcluster/ci/release-notify-ship/kind.yml b/comm/taskcluster/ci/release-notify-ship/kind.yml
new file mode 100644
index 0000000000..bbbec12317
--- /dev/null
+++ b/comm/taskcluster/ci/release-notify-ship/kind.yml
@@ -0,0 +1,38 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.release_notifications:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-balrog-scheduling
+    - release-bouncer-aliases
+    - release-version-bump
+    - release-mark-as-shipped
+
+job-defaults:
+    name: notify-release-drivers-ship
+    description: Sends email to release-drivers telling release was shipped.
+    run-on-projects: []
+    shipping-phase: ship
+    worker-type: succeed
+    worker:
+        implementation: succeed
+    notifications:
+        emails:
+            by-project:
+                comm-(beta|esr.*): ["thunderbird-drivers@mozilla.org"]
+                try-comm-central: ["{config[params][owner]}"]
+                default: []
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
+        notifications:
+            subject: "{task[shipping-product]} {release_config[version]} build{release_config[build_number]}/{config[params][project]} updates are ready for signoff in Balrog!"
+            message: "{task[shipping-product]} {release_config[version]} build{release_config[build_number]}/{config[params][project]} updates are ready for signoff in Balrog!"
diff --git a/comm/taskcluster/ci/release-notify-started/kind.yml b/comm/taskcluster/ci/release-notify-started/kind.yml
new file mode 100644
index 0000000000..1c62b5ad38
--- /dev/null
+++ b/comm/taskcluster/ci/release-notify-started/kind.yml
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - comm_taskgraph.transforms.release_started:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    name: notify-release-drivers-started
+    description: Sends email to release-drivers telling release was started.
+    run-on-projects: []
+    shipping-phase: promote
+    worker-type: b-linux-gcp
+    worker:
+        docker-image: {in-tree: "debian11-base"}
+        max-run-time: 600
+    emails:
+        by-project:
+            comm-(beta|esr.*): ["thunderbird-drivers@mozilla.org"]
+            try-comm-central: ["{config[params][owner]}"]
+            default: []
+
+jobs:
+    thunderbird:
+        shipping-product: thunderbird
diff --git a/comm/taskcluster/ci/release-push-langpacks/kind.yml b/comm/taskcluster/ci/release-push-langpacks/kind.yml
new file mode 100644
index 0000000000..3d02277800
--- /dev/null
+++ b/comm/taskcluster/ci/release-push-langpacks/kind.yml
@@ -0,0 +1,55 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - comm_taskgraph.transforms.push_langpacks:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - build
+    - shippable-l10n
+
+
+only-for-build-platforms:
+    - linux64-shippable/opt  # ATN only support 1 platform per locale. That's why we use linux64
+    - macosx64-shippable/opt  # Although, we need the special locale "ja-JP-Mac" from this platform
+
+
+job-template:
+    description: Sends {locales} XPIs for platform to ATN
+    worker-type: b-linux-gcp
+    worker:
+        docker-image: {in-tree: "tb-atn"}
+        implementation: docker-worker
+        os: linux
+        max-run-time: 1800
+        env:
+            TASK_ID: {"task-reference": "<self>"}
+            TASKCLUSTER_PROXY_URL: http://taskcluster
+            PATH: /builds/worker/bin:/usr/local/bin:/usr/bin:/bin
+        channel:
+            by-project:
+                comm-esr115:
+                    by-platform:
+                        # ja-JP-mac is only langpack on mac, and is unlisted always
+                        macosx64.*: unlisted
+                        default: listed
+                comm-beta:
+                    by-platform:
+                        # ja-JP-mac is only langpack on mac, and is unlisted always
+                        macosx64.*: unlisted
+                        default: listed
+                default: unlisted
+        command:
+            - /builds/worker/bin/run-task
+            - "--"
+            - /builds/worker/venv/bin/python
+            - /builds/worker/bin/atn_langpack.py
+    run-on-projects: []
+    scopes:
+        - secrets:get:project/comm/thunderbird/releng/build/level-{level}/atn_langpack
+    shipping-phase: push
+    shipping-product: thunderbird
diff --git a/comm/taskcluster/ci/release-source-checksums-signing/kind.yml b/comm/taskcluster/ci/release-source-checksums-signing/kind.yml
new file mode 100644
index 0000000000..379aff10bc
--- /dev/null
+++ b/comm/taskcluster/ci/release-source-checksums-signing/kind.yml
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.source_checksums_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - beetmover-source
+
+job-template:
+    shipping-phase: promote
diff --git a/comm/taskcluster/ci/release-source-signing/kind.yml b/comm/taskcluster/ci/release-source-signing/kind.yml
new file mode 100644
index 0000000000..2b6c3376ab
--- /dev/null
+++ b/comm/taskcluster/ci/release-source-signing/kind.yml
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.build_signing:transforms
+    - gecko_taskgraph.transforms.signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-source
+
+job-template:
+    shipping-phase: promote
diff --git a/comm/taskcluster/ci/release-source/kind.yml b/comm/taskcluster/ci/release-source/kind.yml
new file mode 100644
index 0000000000..514f9f1270
--- /dev/null
+++ b/comm/taskcluster/ci/release-source/kind.yml
@@ -0,0 +1,47 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - toolchain
+
+transforms:
+    - gecko_taskgraph.transforms.build:transforms
+    - gecko_taskgraph.transforms.build_attrs:transforms
+    - gecko_taskgraph.transforms.build_lints:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    shipping-phase: promote
+    treeherder:
+        symbol: Src
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 3600
+        env:
+            PKG_SRCPACK_BASENAME: source
+    attributes:
+        shippable: true
+    run:
+        using: mozharness
+        comm-checkout: true
+        actions: [package-source]
+        script: "mozharness/scripts/fx_desktop_build.py"
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            - builds/thunderbird_source.py
+        options: []
+        tooltool-downloads: public
+    run-on-projects: []
+    optimization: null
+
+jobs:
+    thunderbird-source/opt:
+        description: "Thunderbird source builder"
+        treeherder:
+            platform: thunderbird-release/opt
+        shipping-product: thunderbird
diff --git a/comm/taskcluster/ci/release-update-verify-config-next/kind.yml b/comm/taskcluster/ci/release-update-verify-config-next/kind.yml
new file mode 100644
index 0000000000..34b0475ce6
--- /dev/null
+++ b/comm/taskcluster/ci/release-update-verify-config-next/kind.yml
@@ -0,0 +1,98 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release:run_on_releases
+    - comm_taskgraph.transforms.update_verify_config:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    name: update-verify-config-next
+    run-on-projects: []  # to make sure this never runs as part of CI
+    run-on-releases: [release]
+    shipping-phase: promote
+    worker-type: b-linux-gcp
+    worker:
+        docker-image:
+            in-tree: "update-verify"
+        max-run-time: 3600
+        artifacts:
+            - name: public/build/update-verify.cfg
+              path: /builds/worker/checkouts/gecko/update-verify.cfg
+              type: file
+    run:
+        sparse-profile: mozharness
+    treeherder:
+        symbol: UVCnext
+        kind: test
+        tier: 1
+    extra:
+        app-name: mail
+        branch-prefix: comm
+        archive-prefix:
+            by-release-level:
+                staging: "http://ftp.stage.mozaws.net/pub"
+                production: "https://archive.mozilla.org/pub"
+        previous-archive-prefix:
+            by-release-level:
+                staging: "https://archive.mozilla.org/pub"
+                production: null
+        aus-server:
+            by-release-level:
+                staging: "https://stage.balrog.nonprod.cloudops.mozgcp.net"
+                production: "https://aus5.mozilla.org"
+        override-certs:
+            by-release-level:
+                staging: dep
+                production: null
+        updater-platform: linux-x86_64
+        product: thunderbird
+        channel: "release-localtest-next"
+        include-version: release-next
+        last-watershed: "91.9.0"
+
+jobs:
+    thunderbird-next-linux:
+        shipping-product: thunderbird
+        treeherder:
+            platform: linux32-shippable/opt
+        attributes:
+            build_platform: linux-shippable
+        extra:
+            platform: linux-i686
+    thunderbird-next-linux64:
+        shipping-product: thunderbird
+        treeherder:
+            platform: linux64-shippable/opt
+        attributes:
+            build_platform: linux64-shippable
+        extra:
+            platform: linux-x86_64
+    thunderbird-next-macosx64:
+        shipping-product: thunderbird
+        treeherder:
+            platform: osx-shippable/opt
+        attributes:
+            build_platform: macosx64-shippable
+        extra:
+            platform: mac
+    thunderbird-next-win32:
+        shipping-product: thunderbird
+        treeherder:
+            platform: windows2012-32-shippable/opt
+        attributes:
+            build_platform: win32-shippable
+        extra:
+            platform: win32
+    thunderbird-next-win64:
+        shipping-product: thunderbird
+        treeherder:
+            platform: windows2012-64-shippable/opt
+        attributes:
+            build_platform: win64-shippable
+        extra:
+            platform: win64
diff --git a/comm/taskcluster/ci/release-update-verify-config/kind.yml b/comm/taskcluster/ci/release-update-verify-config/kind.yml
new file mode 100644
index 0000000000..eb6081778b
--- /dev/null
+++ b/comm/taskcluster/ci/release-update-verify-config/kind.yml
@@ -0,0 +1,171 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - comm_taskgraph.transforms.update_verify_config:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    name: update-verify-config
+    run-on-projects: []  # to make sure this never runs as part of CI
+    shipping-phase: promote
+    worker-type: b-linux-gcp
+    worker:
+        docker-image:
+            in-tree: "update-verify"
+        max-run-time: 3600
+        artifacts:
+            - name: public/build/update-verify.cfg
+              path: /builds/worker/checkouts/gecko/update-verify.cfg
+              type: file
+    run:
+        sparse-profile: mozharness
+    extra:
+        app-name: mail
+        branch-prefix: comm
+        archive-prefix:
+            by-release-level:
+                staging: "http://ftp.stage.mozaws.net/pub"
+                production: "https://archive.mozilla.org/pub"
+        previous-archive-prefix:
+            by-release-level:
+                staging: "https://archive.mozilla.org/pub"
+                production: null
+        aus-server:
+            by-release-level:
+                staging: "https://stage.balrog.nonprod.cloudops.mozgcp.net"
+                production: "https://aus5.mozilla.org"
+        override-certs:
+            by-release-level:
+                staging: dep
+                production: null
+        include-version:
+            by-release-type:
+                beta: beta
+                release: nonbeta
+                default: beta
+        last-watershed:
+            by-release-type:
+                beta: "79.0b2"
+                release: "115.0"
+                default: "default"
+
+jobs:
+    thunderbird-linux:
+        shipping-product: thunderbird
+        treeherder:
+            symbol: UVC
+            platform: linux32-shippable/opt
+            kind: test
+            tier: 1
+        attributes:
+            build_platform: linux-shippable
+        extra:
+            product: thunderbird
+            platform: linux-i686
+            updater-platform: linux-x86_64
+            channel:
+                by-release-type:
+                    beta: "beta-localtest"
+                    release: "release-localtest"
+                    default: "default"
+            mar-channel-id-override:
+                by-release-type:
+                    beta: beta
+                    default: null
+
+    thunderbird-linux64:
+        shipping-product: thunderbird
+        treeherder:
+            symbol: UVC
+            platform: linux64-shippable/opt
+            kind: test
+            tier: 1
+        attributes:
+            build_platform: linux64-shippable
+        extra:
+            product: thunderbird
+            platform: linux-x86_64
+            updater-platform: linux-x86_64
+            channel:
+                by-release-type:
+                    beta: "beta-localtest"
+                    release: "release-localtest"
+                    default: "default"
+            mar-channel-id-override:
+                by-release-type:
+                    beta: beta
+                    default: null
+
+    thunderbird-macosx64:
+        shipping-product: thunderbird
+        treeherder:
+            symbol: UVC
+            platform: osx-shippable/opt
+            kind: test
+            tier: 1
+        attributes:
+            build_platform: macosx64-shippable
+        extra:
+            product: thunderbird
+            platform: mac
+            updater-platform: linux-x86_64
+            channel:
+                by-release-type:
+                    beta: "beta-localtest"
+                    release: "release-localtest"
+                    default: "default"
+            mar-channel-id-override:
+                by-release-type:
+                    beta: beta
+                    default: null
+
+    thunderbird-win32:
+        shipping-product: thunderbird
+        treeherder:
+            symbol: UVC
+            platform: windows2012-32-shippable/opt
+            kind: test
+            tier: 1
+        attributes:
+            build_platform: win32-shippable
+        extra:
+            product: thunderbird
+            platform: win32
+            updater-platform: linux-x86_64
+            channel:
+                by-release-type:
+                    beta: "beta-localtest"
+                    release: "release-localtest"
+                    default: "default"
+            mar-channel-id-override:
+                by-release-type:
+                    beta: beta
+                    default: null
+
+    thunderbird-win64:
+        shipping-product: thunderbird
+        treeherder:
+            symbol: UVC
+            platform: windows2012-64-shippable/opt
+            kind: test
+            tier: 1
+        attributes:
+            build_platform: win64-shippable
+        extra:
+            product: thunderbird
+            platform: win64
+            updater-platform: linux-x86_64
+            channel:
+                by-release-type:
+                    beta: "beta-localtest"
+                    release: "release-localtest"
+                    default: "default"
+            mar-channel-id-override:
+                by-release-type:
+                    beta: beta
+                    default: null
diff --git a/comm/taskcluster/ci/release-update-verify-next/kind.yml b/comm/taskcluster/ci/release-update-verify-next/kind.yml
new file mode 100644
index 0000000000..bd898b27ba
--- /dev/null
+++ b/comm/taskcluster/ci/release-update-verify-next/kind.yml
@@ -0,0 +1,73 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - post-balrog-dummy
+    - post-beetmover-dummy
+    - release-balrog-submit-toplevel
+    - release-update-verify-config-next
+
+transforms:
+    - gecko_taskgraph.transforms.release:run_on_releases
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.update_verify:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    name: update-verify-next
+    run-on-projects: []  # to make sure this never runs as part of CI
+    run-on-releases: [release]
+    shipping-phase: promote
+    worker-type: b-linux-gcp
+    worker:
+        artifacts:
+            - name: 'public/build/diff-summary.log'
+              path: '/builds/worker/tools/release/updates/diff-summary.log'
+              type: file
+        docker-image:
+            in-tree: "update-verify"
+        max-run-time: 7200
+        retry-exit-status:
+            - 255
+        env:
+            CHANNEL: "release-localtest-next"
+    treeherder:
+        symbol: UV(UVnext)
+        kind: test
+    extra:
+        chunks: 12
+
+jobs:
+    thunderbird-next-linux64:
+        description: linux64 release-next update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: linux64-shippable
+
+    thunderbird-next-linux:
+        description: linux release-next update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: linux-shippable
+
+    thunderbird-next-win64:
+        description: win64 release-next update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: win64-shippable
+
+    thunderbird-next-win32:
+        description: win32 release-next update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: win32-shippable
+
+    thunderbird-next-macosx64:
+        description: macosx64 release-next update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: macosx64-shippable
diff --git a/comm/taskcluster/ci/release-update-verify/kind.yml b/comm/taskcluster/ci/release-update-verify/kind.yml
new file mode 100644
index 0000000000..c8c21829cb
--- /dev/null
+++ b/comm/taskcluster/ci/release-update-verify/kind.yml
@@ -0,0 +1,69 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - post-balrog-dummy
+    - post-beetmover-dummy
+    - release-balrog-submit-toplevel
+    - release-update-verify-config
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.update_verify:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    name: update-verify
+    run-on-projects: []  # to make sure this never runs as part of CI
+    shipping-phase: promote
+    worker-type: b-linux-gcp
+    worker:
+        artifacts:
+            - name: 'public/build/diff-summary.log'
+              path: '/builds/worker/checkouts/gecko/diff-summary.log'
+              type: file
+        docker-image:
+            in-tree: "update-verify"
+        max-run-time: 7200
+        retry-exit-status:
+            - 255
+    treeherder:
+        symbol: UV(UV)
+        kind: test
+    extra:
+        chunks: 12
+
+jobs:
+    thunderbird-linux64:
+        description: linux64 update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: linux64-shippable
+
+    thunderbird-linux:
+        description: linux update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: linux-shippable
+
+    thunderbird-win64:
+        description: win64 update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: win64-shippable
+
+    thunderbird-win32:
+        description: win32 update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: win32-shippable
+
+    thunderbird-macosx64:
+        description: macosx64 update verify
+        shipping-product: thunderbird
+        attributes:
+            build_platform: macosx64-shippable
diff --git a/comm/taskcluster/ci/release-version-bump/kind.yml b/comm/taskcluster/ci/release-version-bump/kind.yml
new file mode 100644
index 0000000000..a2328651c2
--- /dev/null
+++ b/comm/taskcluster/ci/release-version-bump/kind.yml
@@ -0,0 +1,46 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.release_deps:transforms
+    - gecko_taskgraph.transforms.release_version_bump:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - release-beetmover-push-to-release
+
+job-defaults:
+    description: Release Promotion version bump/tag
+    run-on-projects: []
+    shipping-phase: ship
+    worker-type: tree
+    worker:
+        implementation: treescript
+        dontbuild: true
+        tags: ['buildN', 'release']
+        bump: true
+        bump-files:
+            by-project:
+                default: ["mail/config/version_display.txt"]
+                comm-(beta|esr.*):
+                    - "mail/config/version.txt"
+                    - "mail/config/version_display.txt"
+        push:
+            by-project:
+                comm-(beta|esr.*): true
+                default: false
+
+jobs:
+    thunderbird-comm:
+        name: thunderbird-comm-version-bump
+        worker:
+            repo-param-prefix: comm_
+        shipping-product: thunderbird
+        treeherder:
+            platform: thunderbird-release/opt
+            symbol: Rel(VerBump)
+            tier: 1
+            kind: build
diff --git a/comm/taskcluster/ci/repackage-l10n/kind.yml b/comm/taskcluster/ci/repackage-l10n/kind.yml
new file mode 100644
index 0000000000..fd909a5d06
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-l10n/kind.yml
@@ -0,0 +1,72 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.repackage_set_upstream_mac_kind:transforms
+    - gecko_taskgraph.transforms.repackage_l10n:transforms
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+kind-dependencies:
+    - shippable-l10n-signing
+    - shippable-l10n-mac-signing
+    - shippable-l10n-mac-notarization
+    - toolchain
+
+only-for-build-platforms:
+    - linux-shippable/opt
+    - linux64-shippable/opt
+    - macosx64-shippable/opt
+    - win32-shippable/opt
+    - win64-shippable/opt
+
+job-template:
+    upstream-mac-kind:
+        by-build-type:
+            debug: shippable-l10n-mac-signing
+            default:
+                by-project:
+                    comm-(central|beta|esr.*): shippable-l10n-mac-notarization
+                    default: shippable-l10n-mac-signing
+    worker-type: 'b-linux-gcp'
+    mozharness:
+        comm-checkout: true
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            by-build-platform:
+                linux-.*:
+                    - repackage/base.py
+                    - repackage/linux32_signed.py
+                linux64.*:
+                    - repackage/base.py
+                    - repackage/linux64_signed.py
+                macosx64.*:
+                    - repackage/base.py
+                    - repackage/osx_signed.py
+                win32.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win32_signed.py
+                win64.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win64_signed.py
+    package-formats:
+        by-build-platform:
+            linux-.*: [mar]
+            linux64.*: [mar]
+            macosx64.*: [mar, dmg, pkg]
+            win32.*: [mar, installer]
+            win64.*: [mar, installer]
+    fetches:
+        toolchain:
+            - linux64-mar-tools
+            - linux64-upx
+    treeherder-group: L10n-Rpk
diff --git a/comm/taskcluster/ci/repackage-msi/kind.yml b/comm/taskcluster/ci/repackage-msi/kind.yml
new file mode 100644
index 0000000000..5020884a9a
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-msi/kind.yml
@@ -0,0 +1,43 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - repackage-signing
+    - repackage-signing-l10n
+    - fetch
+
+only-for-build-platforms:
+    - win32-shippable/opt
+    - win64-shippable/opt
+
+job-template:
+    worker-type: 'b-win2012'
+    mozharness:
+        use-magic-mh-args: false
+        use-caches: false
+        comm-checkout: true
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            by-build-platform:
+                win32\b.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win32_signed.py
+                win64\b.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win64_signed.py
+    package-formats: [msi]
+    fetches:
+        fetch:
+            - wix-3.14.0
diff --git a/comm/taskcluster/ci/repackage-msix/kind.yml b/comm/taskcluster/ci/repackage-msix/kind.yml
new file mode 100644
index 0000000000..2c700b0509
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-msix/kind.yml
@@ -0,0 +1,89 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    # We're going to generate tasks based on this.  We `depend` on and fetch the package from this.
+    - build-signing
+    - toolchain
+
+group-by: platform
+
+only-for-build-platforms:
+    - win32/opt
+    - win64/opt
+    - win64/debug
+    - win32-shippable/opt
+    - win64-shippable/opt
+
+job-template:
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 2700
+    # This is for fast try iteration; `repackage-shippable-l10n-msix` is the "real one".
+    run-on-projects: []
+    mozharness:
+        comm-checkout: true
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            by-build-platform:
+                win32\b.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win32_signed.py
+                win64\b.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win64_signed.py
+    package-formats: [msix, msix-store]
+    fetches:
+        toolchain:
+            - linux64-msix-packaging
+    msix:
+        vendor: Mozilla Thunderbird
+        channel:
+            by-release-type:
+                beta.*: beta
+                release.*: official
+                default: nightly
+        identity-name:
+            by-package-format:
+                msix:
+                    by-release-type:
+                        beta.*: MozillaThunderbirdBeta
+                        release.*: MozillaThunderbird
+                        default: MozillaThunderbirdDaily
+                msix-store:
+                    by-release-type:
+                        beta.*: ThunderbirdBeta
+                        release.*: MZLA
+                        default: ThunderbirdDaily
+        publisher:
+            by-package-format:
+                msix:
+                    by-level:
+                        "1": "CN=Mozilla Fake SPC"
+                        "2": "CN=Mozilla Fake SPC"
+                        default:
+                            # This value needs to line up with the signing certificate
+                            # we're going to sign with. We only sign potential release
+                            # or nightly builds with proper certificates, so even on
+                            # level 3 repositories, some build types are expected to
+                            # be signed with our fake certificate.
+                            by-build-platform:
+                                .*-shippable: "CN=Mozilla Corporation, OU=Firefox Engineering Operations, O=Mozilla Corporation, L=Mountain View, S=California, C=US"
+                                default: "CN=Mozilla Fake SPC"
+                msix-store: "CN=D72CA2AC-1021-4C81-8ED2-0CF10CF5F5B6"
+        publisher-display-name:
+            by-package-format:
+                msix: "MZLA Technologies"
+                msix-store: "Mozilla Thunderbird"
diff --git a/comm/taskcluster/ci/repackage-shippable-l10n-msix/kind.yml b/comm/taskcluster/ci/repackage-shippable-l10n-msix/kind.yml
new file mode 100644
index 0000000000..304b0e9d2f
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-shippable-l10n-msix/kind.yml
@@ -0,0 +1,91 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage:transforms
+    - comm_taskgraph.transforms.repackage_msix:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    # We're going to generate tasks based on this.  We `depend` on and fetch the package from this.
+    - build-signing
+    # We're not going to generate tasks based on these.  But we are going to `depend` on and fetch
+    # langpacks from these.
+    - shippable-l10n
+    - toolchain
+
+not-for-kind-dependencies:
+    - shippable-l10n
+
+group-by: platform
+
+only-for-build-platforms:
+    - win32-shippable/opt
+    - win64-shippable/opt
+
+job-template:
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 2700
+    mozharness:
+        comm-checkout: true
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            by-build-platform:
+                win32\b.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win32_signed.py
+                win64\b.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win64_signed.py
+    package-formats: [msix, msix-store]
+    fetches:
+        toolchain:
+            - linux64-msix-packaging
+    msix:
+        vendor: Mozilla Thunderbird
+        channel:
+            by-release-type:
+                beta.*: beta
+                release.*: official
+                default: nightly
+        identity-name:
+            by-package-format:
+                msix:
+                    by-release-type:
+                        beta.*: MozillaThunderbirdBeta
+                        release.*: MozillaThunderbird
+                        default: MozillaThunderbirdDaily
+                msix-store:
+                    by-release-type:
+                        beta.*: ThunderbirdBeta
+                        release.*: MZLA
+                        default: ThunderbirdDaily
+        publisher:
+            by-package-format:
+                msix:
+                    by-level:
+                        "1": "CN=Mozilla Fake SPC"
+                        "2": "CN=Mozilla Fake SPC"
+                        default:
+                            # This value needs to line up with the signing certificate
+                            # we're going to sign with. We only sign potential release
+                            # or nightly builds with proper certificates, so even on
+                            # level 3 repositories, some build types are expected to
+                            # be signed with our fake certificate.
+                            by-build-platform:
+                                .*-shippable: "CN=Mozilla Corporation, OU=Firefox Engineering Operations, O=Mozilla Corporation, L=Mountain View, S=California, C=US"
+                                default: "CN=Mozilla Fake SPC"
+                msix-store: "CN=D72CA2AC-1021-4C81-8ED2-0CF10CF5F5B6"
+        publisher-display-name:
+            by-package-format:
+                msix: "MZLA Technologies"
+                msix-store: "Mozilla Thunderbird"
diff --git a/comm/taskcluster/ci/repackage-signing-l10n/kind.yml b/comm/taskcluster/ci/repackage-signing-l10n/kind.yml
new file mode 100644
index 0000000000..a2b100cf24
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-signing-l10n/kind.yml
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+
+kind-dependencies:
+    - repackage-l10n
+
+only-for-build-platforms:
+    - win32-shippable/opt
+    - win64-shippable/opt
diff --git a/comm/taskcluster/ci/repackage-signing-msi/kind.yml b/comm/taskcluster/ci/repackage-signing-msi/kind.yml
new file mode 100644
index 0000000000..eb71971e94
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-signing-msi/kind.yml
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - repackage-msi
+
+only-for-build-platforms:
+    - win32-shippable/opt
+    - win32/opt
+    - win64-shippable/opt
+    - win64/opt
diff --git a/comm/taskcluster/ci/repackage-signing-msix/kind.yml b/comm/taskcluster/ci/repackage-signing-msix/kind.yml
new file mode 100644
index 0000000000..38604e8375
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-signing-msix/kind.yml
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - repackage-msix
diff --git a/comm/taskcluster/ci/repackage-signing-shippable-l10n-msix/kind.yml b/comm/taskcluster/ci/repackage-signing-shippable-l10n-msix/kind.yml
new file mode 100644
index 0000000000..e4e1fd841f
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-signing-shippable-l10n-msix/kind.yml
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - repackage-shippable-l10n-msix
diff --git a/comm/taskcluster/ci/repackage-signing/kind.yml b/comm/taskcluster/ci/repackage-signing/kind.yml
new file mode 100644
index 0000000000..13eb3f46ce
--- /dev/null
+++ b/comm/taskcluster/ci/repackage-signing/kind.yml
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage_signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+
+kind-dependencies:
+    - repackage
+
+only-for-build-platforms:
+    - win32-shippable/opt
+    - win64-shippable/opt
+    - win64-asan-reporter-shippable/opt
diff --git a/comm/taskcluster/ci/repackage/kind.yml b/comm/taskcluster/ci/repackage/kind.yml
new file mode 100644
index 0000000000..e5f842c189
--- /dev/null
+++ b/comm/taskcluster/ci/repackage/kind.yml
@@ -0,0 +1,79 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.repackage_set_upstream_mac_kind:transforms
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.repackage:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+kind-dependencies:
+    - build-signing
+    - build-mac-signing
+    - build-mac-notarization
+    - toolchain
+
+only-for-build-platforms:
+    - linux-shippable/opt
+    - linux64-shippable/opt
+    - linux64-asan-reporter-shippable/opt
+    - macosx64-shippable/opt
+    - macosx64/opt
+    - macosx64/debug
+    - win32-shippable/opt
+    - win64-shippable/opt
+    - win64-asan-reporter-shippable/opt
+
+job-template:
+    upstream-mac-kind:
+        by-build-type:
+            debug: build-mac-signing
+            default:
+                by-project:
+                    comm-(central|beta|esr.*): build-mac-notarization
+                    default: build-mac-signing
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time:
+            by-build-platform:
+                .*asan.*: 2700
+                default: 900
+    mozharness:
+        comm-checkout: true
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            by-build-platform:
+                linux-.*:
+                    - repackage/base.py
+                    - repackage/linux32_signed.py
+                linux64.*:
+                    - repackage/base.py
+                    - repackage/linux64_signed.py
+                macosx64.*:
+                    - repackage/base.py
+                    - repackage/osx_signed.py
+                win32.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win32_signed.py
+                win64.*:
+                    - repackage/base.py
+                    - repackage/tb_win32_sfx_stub.py
+                    - repackage/win64_signed.py
+    package-formats:
+        by-build-platform:
+            linux-.*: [mar]
+            linux64.*: [mar]
+            macosx64.*: [mar, dmg, pkg]
+            win32.*: [mar, installer]
+            win64.*: [mar, installer]
+    fetches:
+        toolchain:
+            - linux64-mar-tools
+            - linux64-upx
diff --git a/comm/taskcluster/ci/searchfox/kind.yml b/comm/taskcluster/ci/searchfox/kind.yml
new file mode 100644
index 0000000000..337c931e93
--- /dev/null
+++ b/comm/taskcluster/ci/searchfox/kind.yml
@@ -0,0 +1,156 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - toolchain
+    - fetch
+
+transforms:
+    - gecko_taskgraph.transforms.build:transforms
+    - gecko_taskgraph.transforms.build_attrs:transforms
+    - gecko_taskgraph.transforms.build_lints:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    index:
+        product: thunderbird
+    treeherder:
+        symbol: Searchfox(idx)
+        kind: build
+        tier: 2
+    run-on-projects: []
+    optimization: null
+    use-system-python: false
+
+jobs:
+    linux64-searchfox/debug:
+        description: "Linux64 Debug Searchfox"
+        index:
+            job-name: linux64-searchfox-debug
+        treeherder:
+            platform: linux64/debug
+        worker-type: b-linux-gcp
+        worker:
+            max-run-time: 36000
+            env:
+                PERFHERDER_EXTRA_OPTIONS: searchfox
+                MOZSEARCH_PLATFORM: "linux"
+        run:
+            using: mozharness
+            comm-checkout: true
+            actions: [build]
+            config-paths:
+                - comm/testing/mozharness/configs
+            config:
+                - builds/taskcluster_base_thunderbird.py
+                - builds/releng_sub_linux_configs/64_searchfox_and_debug.py
+            script: "mozharness/scripts/fx_desktop_build.py"
+            tooltool-downloads: public
+            keep-artifacts: false
+        fetches:
+            toolchain:
+                - linux64-binutils
+                - linux64-cbindgen
+                - linux64-clang
+                - linux64-dump_syms
+                - linux64-libotr
+                - linux64-nasm
+                - linux64-node
+                - linux64-pkgconf
+                - linux64-rust
+                - sysroot-wasm32-wasi
+                - sysroot-x86_64-linux-gnu
+
+    macosx64-searchfox/debug:
+        description: "MacOS X x64 Debug Cross-compile Searchfox"
+        index:
+            job-name: macosx64-searchfox-debug
+        treeherder:
+            platform: osx-cross/debug
+        worker-type: b-linux-gcp
+        worker:
+            max-run-time: 36000
+            env:
+                PERFHERDER_EXTRA_OPTIONS: searchfox
+                MOZSEARCH_PLATFORM: "macosx"
+        run:
+            using: mozharness
+            comm-checkout: true
+            actions: [build]
+            config-paths:
+                - comm/testing/mozharness/configs
+            config:
+                - builds/taskcluster_base_thunderbird.py
+                - builds/releng_base_mac_64_cross_builds.py
+            script: "mozharness/scripts/fx_desktop_build.py"
+            custom-build-variant-cfg: cross-debug-searchfox
+            keep-artifacts: false
+        fetches:
+            toolchain:
+                - linux64-binutils
+                - linux64-cbindgen
+                - linux64-cctools-port
+                - linux64-clang
+                - linux64-dump_syms
+                - linux64-hfsplus
+                - linux64-libdmg
+                - linux64-nasm
+                - linux64-node
+                - linux64-rust-macos
+                - macosx64-x64-libotr
+                - macosx64-sdk
+                - sysroot-wasm32-wasi
+                - sysroot-x86_64-linux-gnu
+
+    win64-searchfox/debug:
+        description: "Win64 Searchfox Debug (clang)"
+        index:
+            job-name: win64-searchfox-debug
+        treeherder:
+            platform: windows2012-64/debug
+        worker-type: b-linux-gcp
+        worker:
+            max-run-time: 36000
+            env:
+                PERFHERDER_EXTRA_OPTIONS: searchfox
+                MOZSEARCH_PLATFORM: "windows"
+        run:
+            using: mozharness
+            comm-checkout: true
+            options: [append-env-variables-from-configs]
+            actions: [build]
+            config-paths:
+                - comm/testing/mozharness/configs
+            script: mozharness/scripts/fx_desktop_build.py
+            config:
+                - builds/taskcluster_base_thunderbird.py
+                - builds/releng_base_linux_64_builds.py
+                - builds/taskcluster_sub_win64/searchfox_debug.py
+            tooltool-downloads: internal
+            extra-config:
+                mozconfig_platform: win64
+        use-sccache: true
+        fetches:
+            toolchain:
+                - linux64-binutils
+                - linux64-cbindgen
+                - linux64-clang
+                - linux64-dump_syms
+                - linux64-nasm
+                - linux64-node
+                - linux64-rust-cross
+                - linux64-rust-size
+                - linux64-sccache
+                - linux64-winchecksec
+                - linux64-wine
+                - nsis
+                - sysroot-wasm32-wasi
+                - sysroot-x86_64-linux-gnu
+                - win64-libotr
+                - vs
+            fetch:
+                - upx-3.95-win
diff --git a/comm/taskcluster/ci/shippable-l10n-mac-notarization/kind.yml b/comm/taskcluster/ci/shippable-l10n-mac-notarization/kind.yml
new file mode 100644
index 0000000000..45bb772008
--- /dev/null
+++ b/comm/taskcluster/ci/shippable-l10n-mac-notarization/kind.yml
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.multi_dep:loader
+
+group-by: chunk-locales
+
+transforms:
+    - gecko_taskgraph.transforms.mac_notarization:transforms
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.upstream_artifact_task:transforms
+    - gecko_taskgraph.transforms.shippable_l10n_signing:transforms
+    - gecko_taskgraph.transforms.signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+kind-dependencies:
+    - shippable-l10n-mac-signing
+
+only-for-attributes:
+    - shippable
+
+job-template:
+    max-run-time: 1800
+    treeherder:
+        symbol: BMN
diff --git a/comm/taskcluster/ci/shippable-l10n-mac-signing/kind.yml b/comm/taskcluster/ci/shippable-l10n-mac-signing/kind.yml
new file mode 100644
index 0000000000..3a59d2fc30
--- /dev/null
+++ b/comm/taskcluster/ci/shippable-l10n-mac-signing/kind.yml
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.multi_dep:loader
+
+group-by: chunk-locales
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.shippable_l10n_signing:transforms
+    - gecko_taskgraph.transforms.signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+kind-dependencies:
+    - shippable-l10n
+
+only-for-build-platforms:
+    - macosx64-shippable/opt
+    - macosx64/opt
+    - macosx64/debug
+
+job-template:
+    treeherder:
+        symbol: BMS
+    attributes:
+        shipping_phase: promote
diff --git a/comm/taskcluster/ci/shippable-l10n-pre-signing/kind.yml b/comm/taskcluster/ci/shippable-l10n-pre-signing/kind.yml
new file mode 100644
index 0000000000..ac3d0c28e6
--- /dev/null
+++ b/comm/taskcluster/ci/shippable-l10n-pre-signing/kind.yml
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.single_dep:loader
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - comm_taskgraph.transforms.l10n_source_signing:transforms
+    - gecko_taskgraph.transforms.signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - shippable-l10n-pre
+
+job-template:
+    shipping-phase: promote
diff --git a/comm/taskcluster/ci/shippable-l10n-pre/kind.yml b/comm/taskcluster/ci/shippable-l10n-pre/kind.yml
new file mode 100644
index 0000000000..d2765c2f27
--- /dev/null
+++ b/comm/taskcluster/ci/shippable-l10n-pre/kind.yml
@@ -0,0 +1,61 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - toolchain
+
+transforms:
+    - comm_taskgraph.transforms.l10n_pre:transforms
+    - gecko_taskgraph.transforms.build:transforms
+    - gecko_taskgraph.transforms.build_attrs:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+job-defaults:
+    shipping-phase: promote
+    shipping-product: thunderbird
+    treeherder:
+        symbol: L10n-pre-S
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 900
+        env:
+            MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE: system
+    attributes:
+        shippable: true
+    locale-list:
+        by-release-type:
+            beta|release: comm/mail/locales/shipped-locales
+            default: comm/mail/locales/all-locales
+    comm-locales-file: comm/mail/locales/l10n-changesets.json
+    browser-locales-file: browser/locales/l10n-changesets.json
+    run:
+        using: mozharness
+        comm-checkout: true
+        actions:
+            - clone-gecko-locales
+            - clone-monorepo
+            - merge-repos
+            - pack-merged
+            - gen-changesets
+        script: comm/taskcluster/scripts/desktop_comm_l10n.py
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            - single_locale/linux64.py
+            - single_locale/tc_common.py
+            - single_locale/thunderbird_split_l10n.py
+            - taskcluster_nightly.py
+        options: []
+    run-on-projects: []
+    optimization: null
+
+
+jobs:
+    shippable-l10n-pre/opt:
+        description: Pre-Localization artifact build
+        treeherder:
+            platform: thunderbird-release/opt
diff --git a/comm/taskcluster/ci/shippable-l10n-signing/kind.yml b/comm/taskcluster/ci/shippable-l10n-signing/kind.yml
new file mode 100644
index 0000000000..8e0ddd06c1
--- /dev/null
+++ b/comm/taskcluster/ci/shippable-l10n-signing/kind.yml
@@ -0,0 +1,29 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.multi_dep:loader
+
+group-by: chunk-locales
+
+transforms:
+    - gecko_taskgraph.transforms.name_sanity:transforms
+    - gecko_taskgraph.transforms.upstream_artifact_task:transforms
+    - gecko_taskgraph.transforms.shippable_l10n_signing:transforms
+    - gecko_taskgraph.transforms.signing:transforms
+    - gecko_taskgraph.transforms.task:transforms
+    - comm_taskgraph.transforms.signing:transforms
+
+kind-dependencies:
+    - shippable-l10n
+
+primary-dependency:
+    - shippable-l10n
+
+only-for-attributes:
+    - shippable
+
+not-for-build-platforms:
+    - macosx64-shippable/opt
+    - macosx64/opt
+    - macosx64/debug
diff --git a/comm/taskcluster/ci/shippable-l10n/kind.yml b/comm/taskcluster/ci/shippable-l10n/kind.yml
new file mode 100644
index 0000000000..35599ffde9
--- /dev/null
+++ b/comm/taskcluster/ci/shippable-l10n/kind.yml
@@ -0,0 +1,148 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.multi_dep:loader
+
+group-by: platform
+
+transforms:
+    - comm_taskgraph.transforms.l10n:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - build
+    - build-signing
+    - fetch
+    - shippable-l10n-pre
+    - repackage
+    - toolchain
+
+primary-dependency: build
+
+only-for-build-platforms:
+    - linux64-shippable/opt
+    - linux-shippable/opt
+    - macosx64-shippable/opt
+    - win32-shippable/opt
+    - win64-shippable/opt
+
+job-template:
+    description: Localization
+    locales-file:
+        by-release-type:
+            beta|release: comm/mail/locales/shipped-locales
+            default: comm/mail/locales/all-locales
+    locales-per-chunk: 5
+    run-on-projects: ['release']
+    attributes:
+        shipping_phase: promote
+    ignore-locales:
+        by-build-platform:
+            # OSX has a special locale for japanese
+            macosx64.*: [ja, en-US]
+            default: [ja-JP-mac, en-US]
+    run-time:
+        by-build-platform:
+            default: 900
+            win.*: 1800
+    secrets: false
+    dependencies:
+        shippable-l10n-pre: shippable-l10n-pre-shippable-l10n-pre/opt
+    fetches:
+        toolchain:
+            by-build-platform:
+                default: []
+                macosx64.*:
+                    - linux64-libdmg
+                    - linux64-hfsplus
+                win.*:
+                    - linux64-wine
+                    - nsis
+        fetch:
+            by-build-platform:
+                default: []
+                win.*:
+                    - upx-3.95-win
+        shippable-l10n-pre:
+            - strings_all.tar.zst
+    tooltool:
+        by-build-platform:
+            default: internal
+            linux.*: public
+    index:
+        type: shippable-l10n
+        product: thunderbird
+        job-name:
+            by-build-platform:
+                linux-shippable: linux-opt
+                linux64-shippable: linux64-opt
+                macosx64-shippable: macosx64-opt
+                win32-shippable: win32-opt
+                win64-shippable: win64-opt
+    worker-type: b-linux-gcp
+    treeherder:
+        symbol: L10n(B)
+        tier: 1
+        platform:
+            by-build-platform:
+                linux64-shippable: linux64-shippable/opt
+                linux-shippable: linux32-shippable/opt
+                macosx64-shippable: osx-shippable/opt
+                win32-shippable: windows2012-32-shippable/opt
+                win64-shippable: windows2012-64-shippable/opt
+    env:
+        by-build-platform:
+            linux.*:   # linux64 and 32 get same treatment here
+                EN_US_PACKAGE_NAME: target.tar.bz2
+                EN_US_BINARY_URL:
+                    artifact-reference: <build-signing/{artifact_prefix}>
+            macosx64.*:
+                EN_US_PACKAGE_NAME: target.dmg
+                EN_US_BINARY_URL:
+                    artifact-reference: <repackage/{artifact_prefix}>
+            win.*:
+                EN_US_PACKAGE_NAME: target.zip
+                EN_US_BINARY_URL:
+                    artifact-reference: <build-signing/{artifact_prefix}>
+    mozharness:
+        comm-checkout: true
+        config-paths:
+            - comm/testing/mozharness/configs
+        config:
+            # no default, so we fail on new entries
+            by-build-platform:
+                linux-shippable:
+                    - single_locale/linux32.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_linux_common.py
+                    - single_locale/thunderbird.py
+                    - taskcluster_nightly.py
+                linux64-shippable:
+                    - single_locale/linux64.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_linux_common.py
+                    - single_locale/thunderbird.py
+                    - taskcluster_nightly.py
+                macosx64-shippable:
+                    - single_locale/macosx64.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_macosx64.py
+                    - single_locale/thunderbird.py
+                    - taskcluster_nightly.py
+                win32-shippable:
+                    - single_locale/win32.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_win32.py
+                    - single_locale/thunderbird.py
+                    - taskcluster_nightly.py
+                win64-shippable:
+                    - single_locale/win64.py
+                    - single_locale/tc_common.py
+                    - single_locale/tc_win64.py
+                    - single_locale/thunderbird.py
+                    - taskcluster_nightly.py
+        actions: ['list-locales', 'setup', 'repack',
+                  'summary']
+        script: mozharness/scripts/desktop_l10n.py
diff --git a/comm/taskcluster/ci/source-docs/kind.yml b/comm/taskcluster/ci/source-docs/kind.yml
new file mode 100644
index 0000000000..8218c65ae4
--- /dev/null
+++ b/comm/taskcluster/ci/source-docs/kind.yml
@@ -0,0 +1,44 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+kind-dependencies:
+    - toolchain
+    - fetch
+
+transforms:
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+jobs:
+    rtd-webhook:
+        description: Triggers a build of the in-tree source documentation at source-docs.thunderbird.net
+        run-on-projects: ['trunk']
+        index:
+            product: thunderbird
+            job-name: source-docs
+        treeherder:
+            platform: doc/opt
+            kind: test
+            symbol: doc(RTD)
+            tier: 2
+        worker-type: t-linux-large
+        worker:
+            docker-image: {in-tree: "debian11-amd64-build"}
+            max-run-time: 1800
+            env:
+                TASK_ID: {"task-reference": "<self>"}
+                TASKCLUSTER_PROXY_URL: http://taskcluster
+        run:
+            using: run-task
+            comm-checkout: true
+            cwd: '{checkout}'
+            command: >
+                ./comm/taskcluster/scripts/build-source-docs.sh
+        scopes:
+            - secrets:get:project/comm/thunderbird/releng/build/level-{level}/rtd-webhook
+        when:
+            files-changed:
+                - comm/docs/**
diff --git a/comm/taskcluster/ci/source-test/clang.yml b/comm/taskcluster/ci/source-test/clang.yml
new file mode 100644
index 0000000000..899b3aadc7
--- /dev/null
+++ b/comm/taskcluster/ci/source-test/clang.yml
@@ -0,0 +1,58 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+job-defaults:
+    always-target: true
+    platform: linux64/debug
+    worker-type: t-linux-xlarge-source
+    attributes:
+        code-review: true
+    worker:
+        docker-image: {in-tree: static-analysis-build}
+        max-run-time: 5400
+    treeherder:
+        kind: other
+        tier: 2
+    run:
+        using: run-task
+        tooltool-downloads: public
+        comm-checkout: true
+    fetches:
+        toolchain:
+            - linux64-cbindgen
+            - linux64-nasm
+            - linux64-node
+    optimization:
+        skip-unless-changed-no-suite:
+            - 'comm/**/*.c'
+            - 'comm/**/*.cc'
+            - 'comm/**/*.cpp'
+            - 'comm/**/*.m'
+            - 'comm/**/*.mm'
+            - 'comm/**/*.h'
+
+format:
+    description: Run clang-format on C/C++ patches
+    treeherder:
+        symbol: cpp(clang-format)
+    run:
+        cwd: '{checkout}'
+        command: >-
+            ./comm/taskcluster/scripts/source-test-clang-format.sh {changed_files}
+
+    fetches:
+        toolchain:
+            - linux64-clang
+            - linux64-clang-tidy
+            - linux64-rust
+            - sysroot-x86_64-linux-gnu
+            - sysroot-wasm32-wasi
+    worker:
+        artifacts:
+            - type: file
+              name: public/code-review/clang-format.json
+              path: /builds/worker/clang-format.json
+            - type: file
+              name: public/code-review/clang-format.diff
+              path: /builds/worker/clang-format.diff
diff --git a/comm/taskcluster/ci/source-test/kind.yml b/comm/taskcluster/ci/source-test/kind.yml
new file mode 100644
index 0000000000..cf6079c02b
--- /dev/null
+++ b/comm/taskcluster/ci/source-test/kind.yml
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.transform:loader
+
+transforms:
+    - gecko_taskgraph.transforms.try_job:transforms
+    - gecko_taskgraph.transforms.source_test:transforms
+    - comm_taskgraph.transforms.source_test:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - fetch
+    - toolchain
+
+jobs-from:
+    - clang.yml
+    - mozlint.yml
+    - python.yml
+
+job-defaults:
+    attributes:
+        retrigger: true
diff --git a/comm/taskcluster/ci/source-test/mozlint.yml b/comm/taskcluster/ci/source-test/mozlint.yml
new file mode 100644
index 0000000000..2ef12d70c6
--- /dev/null
+++ b/comm/taskcluster/ci/source-test/mozlint.yml
@@ -0,0 +1,287 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+job-defaults:
+    always-target: true
+    attributes:
+        code-review: true
+    treeherder:
+        kind: test
+        tier: 1
+    platform: lint/opt
+    worker-type: t-linux-xlarge-source
+    worker:
+        docker-image: {in-tree: "lint"}
+        max-run-time: 1800
+        artifacts:
+            - type: file
+              name: public/code-review/mozlint.json
+              path: /builds/worker/mozlint.json
+        env:
+            MOZLINT_NO_SUITE: '1'
+    run:
+        using: mach
+        comm-checkout: true
+
+codespell:
+    description: Checks for misspellings in text files
+    treeherder:
+        symbol: text(spell)
+        # We don't want patches to be backed out because of a typo, a follow-up
+        # bug will be good enough
+        tier: 2
+    run:
+        mach: >
+            lint -v -l codespell -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: codespell.yml
+
+eslint:
+    description: JS lint check
+    treeherder:
+        symbol: js(ES)
+    run:
+        using: run-task
+        cwd: '{checkout}'
+        command: >
+            cp -r /build/node_modules_eslint node_modules &&
+            cp -r /build/node_modules_eslint-plugin-mozilla/ tools/lint/eslint/eslint-plugin-mozilla/node_modules &&
+            ln -s ../tools/lint/eslint/eslint-plugin-mozilla node_modules &&
+            ln -s ../tools/lint/eslint/eslint-plugin-spidermonkey-js node_modules &&
+            ./mach commlint -v -l eslint -f treeherder -f json:/builds/worker/mozlint.json comm/
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: eslint.yml
+
+file-perm:
+    description: Check for incorrect permissions on source files
+    platform: lint/opt
+    treeherder:
+        symbol: pedantic(file-perm)
+        # We don't want patches to be backed out because of this, a follow-up
+        # bug will be good enough
+        tier: 2
+    run:
+        mach: >
+            lint -v -l file-perm -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: file-perm.yml
+
+file-whitespace:
+    description: Check for trailing whitespaces and Windows CR
+    platform: lint/opt
+    treeherder:
+        symbol: pedantic(file-whitespace)
+        # We don't want patches to be backed out because of this, a follow-up
+        # bug will be good enough
+        tier: 2
+    run:
+        mach: >
+            lint -v -l file-whitespace -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: file-whitespace.yml
+
+fluent-lint:
+    description: Check for problems with Fluent files.
+    treeherder:
+        symbol: l10n(fluent)
+    run:
+        mach: >
+            lint -l fluent-lint -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: fluent-lint.yml
+
+license:
+    description: Check for license blocks in source files.
+    treeherder:
+        symbol: pedantic(license)
+    run:
+        mach: >
+            lint -v -l license -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: license.yml
+
+l10n-conflicts:
+    description: l10n tests for strings with errors and conflicts with cross-channel
+    treeherder:
+        symbol: l10n(l1nt-conflicts)
+    always-target: false
+    run-on-projects: []
+    run:
+        mach: >
+            lint -W -l l10n -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: l10n.yml
+
+localization:
+    description: l10n tests for strings with errors
+    treeherder:
+        symbol: l10n(l1nt)
+    run:
+        mach: >
+            lint -v -l l10n -f treeherder
+            --config-path=comm/tools/lint
+            comm/*
+    attributes:
+        code-review: false
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: l10n.yml
+
+lintpref:
+    description: Check for duplicates between all.js and StaticPrefList.yaml.
+    treeherder:
+        symbol: misc(pref)
+    run:
+        mach: >
+            lint -v -l lintpref -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: lintpref.yml
+
+mingw-cap:
+    description: lint for MinGW Capitalization issues
+    treeherder:
+        symbol: misc(mingw)
+    run:
+        mach: >
+            lint -v -l mingw-capitalization -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: mingw-capitalization.yml
+
+py-black:
+    description: black run over the gecko codebase
+    treeherder:
+        symbol: py(black)
+    run:
+        mach: >
+              lint -v -l black -f treeherder
+              -f json:/builds/worker/mozlint.json
+              --config-path=comm/tools/lint
+              comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: black.yml
+
+py-ruff:
+    description: Run ruff over the codebase
+    treeherder:
+        symbol: py(ruff)
+    run:
+        mach: >
+            commlint -v -l ruff -f treeherder
+            -f json:/builds/worker/mozlint.json
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: ruff.yml
+
+shellcheck:
+    description: shellcheck run over the Thunderbird codebase
+    treeherder:
+        symbol: misc(shell)
+    run-on-projects: []
+    run:
+        mach: >
+            lint -v -l shellcheck -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: shellcheck.yml
+
+stylelint:
+    description: CSS lint check
+    treeherder:
+        symbol: stylelint
+    run:
+        using: run-task
+        cwd: '{checkout}'
+        command: >
+            cp -r /build/node_modules_eslint node_modules &&
+            ./mach commlint -v -l stylelint -f treeherder
+            -f json:/builds/worker/mozlint.json
+            comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: stylelint.yml
+
+trojan-source:
+    description: Trojan Source attack - CVE-2021-42572
+    platform: lint/opt
+    treeherder:
+        symbol: misc(trojan-source)
+    run:
+        mach: >
+              lint -v -l trojan-source -f treeherder
+              -f json:/builds/worker/mozlint.json
+              --config-path=comm/tools/lint
+              comm/*
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: trojan-source.yml
+
+yaml:
+    description: yamllint run over the taskcluster configuration
+    treeherder:
+        symbol: pedantic(yaml)
+    run:
+        mach: >
+            lint -v -l yaml -f treeherder
+            -f json:/builds/worker/mozlint.json
+            --config-path=comm/tools/lint
+            comm/mail/config
+            comm/taskcluster
+            comm/.*.yml
+    optimization:
+        skip-unless-mozlint:
+            root-path: comm
+            mozlint-config: yaml.yml
diff --git a/comm/taskcluster/ci/source-test/python.yml b/comm/taskcluster/ci/source-test/python.yml
new file mode 100644
index 0000000000..b3ffc9bc32
--- /dev/null
+++ b/comm/taskcluster/ci/source-test/python.yml
@@ -0,0 +1,35 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+job-defaults:
+    platform: linux1804-64/opt
+    always-target: true
+    worker-type: t-linux-xlarge-source
+    worker:
+        # A build image instead of the lint image m-c uses, because of the
+        # comm-checkout requirement.
+        docker-image: {in-tree: "debian11-amd64-build"}
+        max-run-time: 3600
+        env:
+            MOZCONFIG: comm/mail/config/mozconfigs/linux64/source
+    treeherder:
+        kind: test
+        tier: 1
+    run:
+        comm-checkout: true
+
+comm_taskgraph-tests:
+    description: taskcluster/taskgraph unit tests
+    treeherder:
+        symbol: py(ctg)
+    run:
+        using: run-task
+        cwd: "{checkout}"
+        command: >
+            ./mach configure &&
+            ./mach python-test --subsuite comm_taskgraph
+    optimization:
+        skip-unless-changed-no-suite:
+            - "taskcluster/**/*.py"
+            - "comm/taskcluster/**/*.py"
diff --git a/comm/taskcluster/ci/test/compiled.yml b/comm/taskcluster/ci/test/compiled.yml
new file mode 100644
index 0000000000..67098d1798
--- /dev/null
+++ b/comm/taskcluster/ci/test/compiled.yml
@@ -0,0 +1,35 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+job-defaults:
+    run-without-variant: false
+    variants: ["1proc"]
+    mozharness:
+        script: desktop_unittest.py
+        config:
+            by-test-platform:
+                linux.*:
+                    - unittests/linux_unittest.py
+                    - remove_executables.py
+                    - unittests/thunderbird_extra.py
+                macosx.*:
+                    - unittests/mac_unittest.py
+                    - unittests/thunderbird_extra.py
+                windows.*:
+                    - unittests/win_unittest.py
+                    - unittests/thunderbird_extra.py
+    supports-artifact-builds: false
+
+gtest:
+    description: "GTests run"
+    suite: gtest
+    treeherder-symbol: GTest
+    instance-size: xlarge
+    run-on-projects:
+        by-test-platform:
+            macosx.*: []  # currently fails on macOS
+            default: built-projects
+    test-manifest-loader: null  # don't load tests in the taskgraph
+    target: null
+    tier: default
diff --git a/comm/taskcluster/ci/test/kind.yml b/comm/taskcluster/ci/test/kind.yml
new file mode 100644
index 0000000000..13061808f1
--- /dev/null
+++ b/comm/taskcluster/ci/test/kind.yml
@@ -0,0 +1,57 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.test:loader
+
+kind-dependencies:
+    - build
+    - build-mac-signing
+    - build-signing
+    - repackage-signing-shippable-l10n-msix
+    - repackage-signing-msix
+    - fetch
+    - toolchain
+
+transforms:
+    - comm_taskgraph.transforms.tests:transforms
+    - gecko_taskgraph.transforms.test:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+jobs-from:
+    - compiled.yml
+    - tests.yml
+
+# These apply to all included test yml files listed in jobs-from
+job-defaults:
+    attributes:
+        retrigger: true
+    optimization:
+        by-test-platform:
+            .*-tsan.*/opt:
+                skip-unless-backstop-no-suite: null
+            .*-asan.*/opt:
+                skip-unless-backstop-no-suite: null
+            default:
+                skip-suite-only: null
+    mozharness:
+        requires-signed-builds:
+            by-test-platform:
+                windows11-64.*:
+                    by-variant:
+                        msix: true
+                        default: false
+                default: false
+    fetches:
+        toolchain:
+            by-test-platform:
+                win.*:
+                    - win32-fix-stacks
+                    - win32-minidump-stackwalk
+                macosx.*:
+                    - macosx64-fix-stacks
+                    - macosx64-minidump-stackwalk
+                default:
+                    - linux64-fix-stacks
+                    - linux64-minidump-stackwalk
diff --git a/comm/taskcluster/ci/test/test-platforms.yml b/comm/taskcluster/ci/test/test-platforms.yml
new file mode 100644
index 0000000000..985eda9d57
--- /dev/null
+++ b/comm/taskcluster/ci/test/test-platforms.yml
@@ -0,0 +1,149 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+# This file maps build platforms to test platforms.  In some cases, a
+# single build may be tested on multiple test platforms, but a single test
+# platform can only link to one build platform.  Both build and test platforms
+# are represented as <platform>/<type>, where <type> is what Treeherder calls a
+# collection.
+#
+# Each test platform further specifies the set of tests that will be scheduled
+# for the platform, referring to tests defined in test-sets.yml.
+#
+# Note that set does not depend on the tree; tree-dependent job selection
+# should be performed in the target task selection phase of task-graph
+# generation.
+
+# Linux platforms (matching /linux.*/)
+
+linux1804-64-qr/opt:
+    build-platform: linux64/opt
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+linux1804-64-shippable-qr/opt:
+    build-platform: linux64-shippable/opt
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+linux1804-64-qr/debug:
+    build-platform: linux64/debug
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+linux1804-64-asan-qr/opt:
+    build-platform: linux64-asan/opt
+    test-sets:
+        - mochitest-tests
+        - xpcshell-tests
+
+linux1804-64-tsan-qr/opt:
+    build-platform: linux64-tsan/opt
+    test-sets:
+        - mochitest-tests
+        - xpcshell-tests
+
+linux1804-64-ccov-qr/opt:
+    build-platform: linux64-ccov/opt
+    test-sets:
+        - mochitest-tests
+        - xpcshell-tests
+
+# Windows platforms (matching /windows.*/)
+
+# windows 11 - 32bit
+windows11-32-2009-qr/opt:
+    build-platform: win32/opt
+    build-signing-label: build-signing-win32/opt
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+windows11-32-2009-shippable-qr/opt:
+    build-platform: win32-shippable/opt
+    build-signing-label: build-signing-win32-shippable/opt
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+windows11-32-2009-qr/debug:
+    build-platform: win32/debug
+    build-signing-label: build-signing-win32/debug
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+# windows 11 - 64bit
+windows11-64-2009-qr/opt:
+    build-platform: win64/opt
+    build-signing-label:
+        by-variant:
+            msix: repackage-signing-msix-win64/opt
+            default: build-signing-win64/opt
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+windows11-64-2009-shippable-qr/opt:
+    build-platform: win64-shippable/opt
+    build-signing-label:
+        by-variant:
+            msix: repackage-signing-shippable-l10n-msix-win64-shippable/opt
+            default: build-signing-win64-shippable/opt
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+windows11-64-2009-qr/debug:
+    build-platform: win64/debug
+    build-signing-label:
+        by-variant:
+            msix: repackage-signing-msix-win64/debug
+            default: build-signing-win64/debug
+    test-sets:
+        - gtest-tests
+        - mochitest-tests
+        - xpcshell-tests
+
+windows11-64-2009-asan-qr/opt:
+    build-platform: win64-asan/opt
+    test-sets:
+        - mochitest-tests
+
+# MacOS X platforms (matching /macosx.*/)
+
+macosx1015-64-qr/opt:
+    build-platform: macosx64/opt
+    test-sets:
+        - mochitest-tests
+        - xpcshell-tests
+
+macosx1015-64-qr/debug:
+    build-platform: macosx64/debug
+    test-sets:
+        - mochitest-tests
+        - xpcshell-tests
+
+macosx1015-64-shippable-qr/opt:
+    build-platform: macosx64-shippable/opt
+    test-sets:
+        - mochitest-tests
+        - xpcshell-tests
+
+# macosx1100-64-shippable/opt:
+#     build-platform: macosx64-shippable/opt
+#     test-sets:
+#         - mochitest-tests
+#         - xpcshell-tests
diff --git a/comm/taskcluster/ci/test/test-sets.yml b/comm/taskcluster/ci/test/test-sets.yml
new file mode 100644
index 0000000000..5e487e1050
--- /dev/null
+++ b/comm/taskcluster/ci/test/test-sets.yml
@@ -0,0 +1,22 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+# Each key in this file specifies a set of tests to run.  Different test sets
+# may, for example, be bound to different test platforms.
+#
+# Note that set does not depend on the tree; tree-dependent job selection
+# should be performed in the target task selection phase of task-graph
+# generation.
+#
+# A test set has a name, and a list of tests that it contains.
+#
+
+gtest-tests:
+    - gtest
+
+mochitest-tests:
+    - mochitest-thunderbird
+
+xpcshell-tests:
+    - xpcshell
diff --git a/comm/taskcluster/ci/test/tests.yml b/comm/taskcluster/ci/test/tests.yml
new file mode 100644
index 0000000000..9d3105d5e9
--- /dev/null
+++ b/comm/taskcluster/ci/test/tests.yml
@@ -0,0 +1,179 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+# Each stanza here describes a particular test suite or sub-suite.  These are
+# processed through the transformations described in kind.yml to produce a
+# bunch of tasks.  See the schema in `taskcluster/gecko_taskgraph/transforms/tests.py`
+# for a description of the fields used here.
+
+# Note that these are in lexical order, as enforced by the task loader.
+
+# Adding a new test type or running tests on a new platform? Be sure to review
+# https://wiki.mozilla.org/Sheriffing/Job_Visibility_Policy
+
+xpcshell:
+    description: "xpcshell test run"
+    suite:
+        category: xpcshell
+        name:
+            by-variant:
+                msix: xpcshell-msix
+                default: xpcshell
+    target:
+        by-test-platform:
+            windows11-64.*:
+                by-variant:
+                    msix: target.installer.msix
+                    default: null
+            default: null
+    treeherder-symbol: X(X)
+    variants:
+        - msix
+    run-on-projects:
+        by-variant:
+            msix:
+                by-test-platform:
+                    windows11-64.*: built-projects
+                    default: []
+            default: built-projects
+    tier:
+        by-variant:
+            msix: 2
+            default:
+                by-test-platform:
+                    .*-asan.*: 2
+                    .*-tsan.*: 2
+                    macosx1100.*: 2
+                    windows11.*: 1
+                    default: default
+    chunks:
+        by-test-platform:
+            .*-ccov.*/.*: 8
+            .*-tsan.*/opt: 8
+            default: 4
+    instance-size: default
+    max-run-time:
+        by-variant:
+            msix: 7200
+            default:
+                by-test-platform:
+                    windows.*/opt: 5400
+                    .*-ccov(-qr)?/.*: 7200
+                    .*-tsan.*/opt: 7200
+                    default: 2700
+    allow-software-gl-layers: false
+    mozharness:
+        script: desktop_unittest.py
+        config:
+            by-test-platform:
+                windows.*:
+                    - unittests/win_unittest.py
+                    - unittests/thunderbird_extra.py
+                macosx.*64.*:
+                    - unittests/mac_unittest.py
+                    - unittests/thunderbird_extra.py
+                linux.*:
+                    - unittests/linux_unittest.py
+                    - remove_executables.py
+                    - unittests/thunderbird_extra.py
+        extra-options:
+            by-test-platform:
+                windows1.*:
+                    - --threads=2
+                default: []
+        requires-signed-builds:
+            by-test-platform:
+                windows1.-64-asan-qr/opt: false
+                windows.*: true
+                default: false
+    fetches:
+        toolchain:
+            by-test-platform:
+                linux.*:
+                    - linux64-fix-stacks
+                    - linux64-node
+                    - linux64-minidump-stackwalk
+                macosx.*:
+                    - macosx64-fix-stacks
+                    - macosx64-node
+                    - macosx64-minidump-stackwalk
+                win.*64.*:
+                    - win32-fix-stacks
+                    - win64-node
+                    - win32-minidump-stackwalk
+                win.*32.*:
+                    - win32-fix-stacks
+                    - win32-node
+                    - win32-minidump-stackwalk
+                default: []
+
+mochitest-thunderbird:
+    description: "Mochitest browser-chrome-thunderbird run"
+    suite:
+        category: mochitest
+        name: mochitest-browser-chrome-thunderbird
+    target:
+        by-test-platform:
+            windows11-64.*:
+                by-variant:
+                    msix: target.installer.msix
+                    default: null
+            default: null
+    treeherder-symbol: M(bct)
+    built-projects-only: true
+    test-manifest-loader: null  # don't load tests in the taskgraph
+    loopback-video: true
+    max-run-time:
+        by-variant:
+            msix: 5400
+            default:
+                by-test-platform:
+                    linux.*64-ccov.*/.*: 9000
+                    linux.*64-tsan.*/opt: 9000
+                    default: 3600
+    variants:
+        - msix
+    run-on-projects:
+        by-variant:
+            msix:
+                by-test-platform:
+                    windows11-64.*: built-projects
+                    default: []
+            default: built-projects
+    tier:
+        by-variant:
+            msix: 2
+            default:
+                by-test-platform:
+                    .*-asan.*: 2
+                    .*-tsan.*: 2
+                    macosx1100.*: 2
+                    windows11.*: 1
+                    default: default
+    chunks:
+        by-test-platform:
+            linux.*64-asan.*/opt: 16
+            linux.*64-tsan.*/opt: 15
+            windows1.-64-asan.*/opt: 9
+            default: 7
+    mozharness:
+        script: desktop_unittest.py
+        mochitest-flavor: browser
+        config:
+            by-test-platform:
+                windows.*:
+                    - unittests/win_unittest.py
+                    - unittests/thunderbird_extra.py
+                macosx.*64.*:
+                    - unittests/mac_unittest.py
+                    - unittests/thunderbird_extra.py
+                linux.*:
+                    - unittests/linux_unittest.py
+                    - remove_executables.py
+                    - unittests/thunderbird_extra.py
+    instance-size:
+        by-test-platform:
+            linux.*64-tsan.*/opt: xlarge  # runs out of memory on default/m3.large
+            default: default
+    allow-software-gl-layers: false
diff --git a/comm/taskcluster/ci/toolchain/clang.yml b/comm/taskcluster/ci/toolchain/clang.yml
new file mode 100644
index 0000000000..a74d39f612
--- /dev/null
+++ b/comm/taskcluster/ci/toolchain/clang.yml
@@ -0,0 +1,80 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+job-defaults:
+    treeherder:
+        kind: build
+        platform: toolchains/opt
+        tier: 1
+    run-on-projects: []
+    run:
+        using: toolchain-script
+        resources:
+            - 'build/build-clang/build-clang.py'
+    worker-type: b-linux-xlarge-gcp
+    worker:
+        max-run-time: 7200
+
+
+# The clang compilers defined below are the same as what's defined in
+# mozilla-central for Firefox builds, except that the Android compiler-rt
+# pieces have been left out.
+
+linux64-clang-16:
+    description: "Clang 16 toolchain build"
+    attributes:
+        local-toolchain: true
+    treeherder:
+        symbol: TL(clang-16)
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 600
+    run:
+        script: repack-clang.sh
+        toolchain-alias:
+            by-project:
+                toolchains: null
+                default: linux64-clang
+        toolchain-artifact: public/build/clang.tar.zst
+    fetches:
+        toolchain:
+            - linux64-cctools-port
+            - linux64-clang-16-raw
+            - linux64-aarch64-compiler-rt-16
+            - linux64-x64-compiler-rt-16
+            - linux64-x86-compiler-rt-16
+            - macosx64-aarch64-compiler-rt-16
+            - macosx64-x64-compiler-rt-16
+            - wasm32-wasi-compiler-rt-16
+            - win32-compiler-rt-16
+            - win64-compiler-rt-16
+
+win64-clang-16:
+    description: "Clang-cl 16 toolchain build"
+    attributes:
+        local-toolchain: true
+    treeherder:
+        symbol: TW64(clang-16)
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 600
+    run:
+        script: repack-clang.sh
+        toolchain-alias:
+            by-project:
+                toolchains: null
+                default: win64-clang
+        toolchain-artifact: public/build/clang.tar.zst
+    fetches:
+        toolchain:
+            - linux64-cctools-port
+            - win64-clang-16-raw
+            - linux64-aarch64-compiler-rt-16
+            - linux64-x64-compiler-rt-16
+            - linux64-x86-compiler-rt-16
+            - macosx64-aarch64-compiler-rt-16
+            - macosx64-x64-compiler-rt-16
+            - wasm32-wasi-compiler-rt-16
+            - win32-compiler-rt-16
+            - win64-compiler-rt-16
diff --git a/comm/taskcluster/ci/toolchain/kind.yml b/comm/taskcluster/ci/toolchain/kind.yml
new file mode 100644
index 0000000000..c2e321e52d
--- /dev/null
+++ b/comm/taskcluster/ci/toolchain/kind.yml
@@ -0,0 +1,98 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: comm_taskgraph.loader.merge:loader
+reference-base-path: taskcluster/ci
+
+kind-dependencies:
+    - fetch
+    - packages
+
+reference-jobs:
+    - linux64-aarch64-compiler-rt-16
+    - linux64-binutils
+    - linux64-cbindgen
+    - linux64-cctools-port
+    - linux64-clang-16-profile
+    - linux64-clang-16-raw
+    - linux64-clang-16-stage1
+    - linux64-clang-mingw-x64
+    - linux64-clang-mingw-x86
+    - linux64-clang-tidy
+    - linux64-dump_syms
+    - linux64-fix-stacks
+    - linux64-grcov
+    - linux64-hfsplus
+    - linux64-libdmg
+    - linux64-llvm-symbolizer
+    - linux64-makecab
+    - linux64-mar-tools
+    - linux64-minidump-stackwalk
+    - linux64-mkbom
+    - linux64-msix-packaging
+    - linux64-nasm
+    - linux64-node
+    - linux64-pkgconf
+    - linux64-python
+    - linux64-rust
+    - linux64-rust-cross
+    - linux64-rust-dev
+    - linux64-rust-macos
+    - linux64-rust-macos-toolchain
+    - linux64-rust-size
+    - linux64-rust-toolchain
+    - linux64-rust-windows
+    - linux64-rust-windows-toolchain
+    - linux64-sccache
+    - linux64-toolchain-sysroot
+    - linux64-upx
+    - linux64-winchecksec
+    - linux64-wine
+    - linux64-x64-compiler-rt-16
+    - linux64-x86-compiler-rt-16
+    - linux64-xar
+    - macosx64-aarch64-compiler-rt-16
+    - macosx64-clang-16-raw
+    - macosx64-fix-stacks
+    - macosx64-minidump-stackwalk
+    - macosx64-node
+    - macosx64-sdk
+    - macosx64-sdk-toolchain
+    - macosx64-x64-compiler-rt-16
+    - mingw32-rust
+    - nsis
+    - sysroot-aarch64-linux-gnu
+    - sysroot-i686-linux-gnu
+    - sysroot-wasm32-wasi
+    - sysroot-x86_64-linux-gnu
+    - wasm32-wasi-compiler-rt
+    - win32-compiler-rt-16
+    - win32-fix-stacks
+    - win32-minidump-stackwalk
+    - win32-node
+    - win64-cbindgen
+    - win64-clang-16-raw
+    - win64-clang-16-stage1
+    - win64-compiler-rt-16
+    - win64-dump_syms
+    - win64-llvm-symbolizer
+    - win64-mozmake
+    - win64-nasm
+    - win64-node
+    - win64-python
+    - win64-rust
+    - win64-rust-size
+    - win64-sccache
+    - win64-vs2019
+    - win64-winchecksec
+
+transforms:
+    - gecko_taskgraph.transforms.try_job:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.cached_tasks:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+jobs-from:
+    - clang.yml
+    - libotr.yml
diff --git a/comm/taskcluster/ci/toolchain/libotr.yml b/comm/taskcluster/ci/toolchain/libotr.yml
new file mode 100644
index 0000000000..04e7765b05
--- /dev/null
+++ b/comm/taskcluster/ci/toolchain/libotr.yml
@@ -0,0 +1,102 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+
+job-defaults:
+    description: 'libotr library build'
+    worker-type: b-linux-gcp
+    worker:
+        max-run-time: 1800
+    treeherder:
+        kind: build
+        platform: toolchains/opt
+        tier: 1
+    run-on-projects: []
+    run:
+        using: comm-toolchain-script
+        script: build-libotr.sh
+        toolchain-artifact: public/build/libotr.tar.xz
+
+linux32-libotr:
+    treeherder:
+        symbol: TL(lib32otr)
+    run:
+        arguments: ['linux32']
+    fetches:
+        toolchain:
+            - linux64-clang
+            - linux64-binutils
+            - sysroot-i686-linux-gnu
+
+linux64-libotr:
+    treeherder:
+        symbol: TL(libotr)
+    run:
+        arguments: ['linux64']
+    fetches:
+        toolchain:
+            - linux64-clang
+            - linux64-binutils
+            - sysroot-x86_64-linux-gnu
+
+linux-aarch64-libotr:
+    treeherder:
+        symbol: TL(libotr-aarch64)
+        tier: 2
+    run:
+        arguments: ['linux-aarch64']
+    fetches:
+        toolchain:
+            - sysroot-aarch64-linux-gnu
+            - linux64-clang
+            - linux64-binutils
+
+macosx64-x64-libotr:
+    treeherder:
+        symbol: TM(libotr)
+    worker:
+        env:
+            MACOS_SDK_DIR: "MacOSX13.3.sdk"
+            MACOS_TARGET_SDK: "10.12"
+    run:
+        arguments: ['macosx64']
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cctools-port
+            - linux64-clang
+            # Uses the sdk for builds, not the -toolchain sdk
+            - macosx64-sdk
+
+macosx64-aarch64-libotr:
+    treeherder:
+        symbol: TM(libotr-aarch64)
+    worker:
+        env:
+            MACOS_SDK_DIR: "MacOSX13.3.sdk"
+            MACOS_TARGET_SDK: "11.0"
+    run:
+        arguments: ['macosx64-aarch64']
+    fetches:
+        toolchain:
+            - linux64-binutils
+            - linux64-cctools-port
+            - linux64-clang
+            - macosx64-sdk
+
+win32-libotr:
+    worker:
+        docker-image: {in-tree: tb-debian-mingw}
+    treeherder:
+        symbol: TW32(libotr)
+    run:
+        arguments: ['win32']
+
+win64-libotr:
+    worker:
+        docker-image: {in-tree: tb-debian-mingw}
+    treeherder:
+        symbol: TW64(libotr)
+    run:
+        arguments: ['win64']
diff --git a/comm/taskcluster/ci/upload-symbols/kind.yml b/comm/taskcluster/ci/upload-symbols/kind.yml
new file mode 100644
index 0000000000..68a9d439e9
--- /dev/null
+++ b/comm/taskcluster/ci/upload-symbols/kind.yml
@@ -0,0 +1,48 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+loader: gecko_taskgraph.loader.multi_dep:loader
+
+group-by: platform
+
+transforms:
+    - gecko_taskgraph.transforms.upload_symbols:transforms
+    - gecko_taskgraph.transforms.job:transforms
+    - gecko_taskgraph.transforms.task:transforms
+
+kind-dependencies:
+    - build
+    - toolchain
+
+primary-dependency: build
+
+only-for-build-platforms:
+    - linux64-shippable/opt
+    - linux-shippable/opt
+    - macosx64-x64-shippable/opt
+    - macosx64-aarch64-shippable/opt
+    - win32-shippable/opt
+    - win64-shippable/opt
+
+job-template:
+    description: Upload Symbols
+    worker-type: b-linux-gcp
+    use-system-python: false
+    worker:
+        docker-image: {in-tree: "debian11-base"}
+        max-run-time: 900
+        env:
+            # {level} gets replaced in the upload_symbols transform
+            SYMBOL_SECRET: "project/comm/thunderbird/releng/build/level-{level}/gecko-symbol-upload"
+            MAKECAB: /builds/worker/fetches/makecab/makecab
+            MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE: system
+    run:
+        using: mach
+        mach: {artifact-reference: "python toolkit/crashreporter/tools/upload_symbols.py <build/public/cidata/target.crashreporter-symbols-full.tar.zst>"}
+        sparse-profile: upload-symbols
+    scopes:
+        - secrets:get:project/comm/thunderbird/releng/build/level-{level}/gecko-symbol-upload
+    fetches:
+        toolchain:
+            - linux64-makecab
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-07 17:32:43 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-07 17:32:43 +0000
commit	6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
tree	a68f146d7fa01f0134297619fbe7e33db084e0aa /comm/taskcluster/ci
parent	Initial commit. (diff)
download	thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip