From def92d1b8e9d373e2f6f27c366d578d97d8960c6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 15 May 2024 05:34:50 +0200
Subject: Merging upstream version 126.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../3d-transform-incoming-ref.html                 |  2 +-
 .../3d-transform-incoming.html                     |  2 +-
 .../3d-transform-outgoing-ref.html                 |  2 +-
 .../3d-transform-outgoing.html                     |  2 +-
 .../content-object-fit-fill-ref.html               |  2 +-
 .../content-object-fit-none-ref.html               |  2 +-
 .../content-smaller-than-box-size-ref.html         |  2 +-
 .../content-smaller-than-box-size.html             |  2 +-
 ...content-visibility-auto-shared-element-ref.html |  2 +-
 .../content-visibility-auto-shared-element.html    |  2 +-
 ...with-child-with-transparent-background-ref.html |  2 +-
 ...ent-with-child-with-transparent-background.html |  2 +-
 .../content-with-clip-ref.html                     |  2 +-
 .../content-with-clip-root-ref.html                |  2 +-
 .../content-with-clip-root.html                    |  2 +-
 .../css-view-transitions/content-with-clip.html    |  2 +-
 .../content-with-inline-child-ref.html             |  2 +-
 .../content-with-inline-child.html                 |  2 +-
 .../content-with-object-view-box-ref.html          |  2 +-
 .../content-with-overflow-ref.html                 |  2 +-
 .../content-with-overflow-zoomed-ref.html          |  2 +-
 .../content-with-transform-new-image.html          |  2 +-
 .../content-with-transform-old-image.html          |  2 +-
 .../content-with-transform-ref.html                |  2 +-
 .../content-with-transparent-background-ref.html   |  2 +-
 .../content-with-transparent-background.html       |  2 +-
 .../css-tags-paint-order-ref.html                  |  2 +-
 .../css-tags-paint-order-with-entry-ref.html       |  2 +-
 .../css-tags-paint-order-with-entry.html           |  2 +-
 .../css-view-transitions/css-tags-paint-order.html |  2 +-
 .../css-tags-shared-element-ref.html               |  2 +-
 .../css-tags-shared-element.html                   |  2 +-
 .../dialog-in-rtl-iframe-ref.html                  |  2 +-
 .../css-view-transitions/dialog-in-rtl-iframe.html |  2 +-
 .../dialog-in-top-layer-during-transition-new.html |  2 +-
 .../dialog-in-top-layer-during-transition-old.html |  2 +-
 .../dialog-in-top-layer-during-transition-ref.html |  2 +-
 .../document-element-detached-crash.html           |  2 +-
 .../element-with-overflow-ref.html                 |  2 +-
 .../element-with-overflow.html                     |  2 +-
 .../css-view-transitions/event-pseudo-name.html    |  2 +-
 .../css-view-transitions/far-away-capture-ref.html |  2 +-
 .../css/css-view-transitions/far-away-capture.html |  2 +-
 .../hit-test-unpainted-element-from-point.html     |  2 +-
 .../hit-test-unpainted-element-ref.html            |  2 +-
 .../hit-test-unpainted-element.html                |  2 +-
 .../hit-test-unrelated-element-ref.html            |  2 +-
 .../hit-test-unrelated-element.html                |  2 +-
 .../iframe-new-has-scrollbar-ref.html              |  2 +-
 .../iframe-new-has-scrollbar.html                  |  2 +-
 .../iframe-old-has-scrollbar-ref.html              |  2 +-
 .../iframe-old-has-scrollbar.html                  |  2 +-
 .../iframe-transition-ref.html                     |  2 +-
 .../iframe-transition.sub.html                     |  2 +-
 .../inline-element-size-ref.html                   |  2 +-
 .../css-view-transitions/inline-element-size.html  |  2 +-
 .../input-targets-root-while-render-blocked.html   |  2 +-
 .../intrinsic-aspect-ratio-ref.html                |  2 +-
 .../css/css-view-transitions/japanese-tag-ref.html |  2 +-
 .../css/css-view-transitions/japanese-tag.html     |  2 +-
 .../list-style-position-style-change-crash.html    |  2 +-
 ...-on-top-of-viewport-partially-onscreen-new.html |  2 +-
 ...-on-top-of-viewport-partially-onscreen-old.html |  2 +-
 ...-on-top-of-viewport-partially-onscreen-ref.html |  2 +-
 ...ssive-element-below-viewport-offscreen-new.html |  2 +-
 ...ssive-element-below-viewport-offscreen-old.html |  2 +-
 ...ssive-element-below-viewport-offscreen-ref.html |  2 +-
 ...ment-below-viewport-partially-onscreen-new.html |  2 +-
 ...ment-below-viewport-partially-onscreen-old.html |  2 +-
 ...ment-below-viewport-partially-onscreen-ref.html |  2 +-
 ...ive-element-left-of-viewport-offscreen-new.html |  2 +-
 ...ive-element-left-of-viewport-offscreen-old.html |  2 +-
 ...ive-element-left-of-viewport-offscreen-ref.html |  2 +-
 ...nt-left-of-viewport-partially-onscreen-new.html |  2 +-
 ...nt-left-of-viewport-partially-onscreen-old.html |  2 +-
 ...nt-left-of-viewport-partially-onscreen-ref.html |  2 +-
 ...e-element-on-top-of-viewport-offscreen-new.html |  2 +-
 ...e-element-on-top-of-viewport-offscreen-old.html |  2 +-
 ...e-element-on-top-of-viewport-offscreen-ref.html |  2 +-
 ...-on-top-of-viewport-partially-onscreen-new.html |  2 +-
 ...-on-top-of-viewport-partially-onscreen-old.html |  2 +-
 ...-on-top-of-viewport-partially-onscreen-ref.html |  2 +-
 ...nd-left-of-viewport-partially-onscreen-new.html |  2 +-
 ...nd-left-of-viewport-partially-onscreen-old.html |  2 +-
 ...nd-left-of-viewport-partially-onscreen-ref.html |  2 +-
 ...ve-element-right-of-viewport-offscreen-new.html |  2 +-
 ...ve-element-right-of-viewport-offscreen-old.html |  2 +-
 ...ve-element-right-of-viewport-offscreen-ref.html |  2 +-
 ...t-right-of-viewport-partially-onscreen-new.html |  2 +-
 ...t-right-of-viewport-partially-onscreen-old.html |  2 +-
 ...t-right-of-viewport-partially-onscreen-ref.html |  2 +-
 .../modify-style-via-cssom-ref.html                |  2 +-
 .../modify-style-via-cssom.html                    |  2 +-
 .../named-element-with-fix-pos-child-new.html      |  2 +-
 .../named-element-with-fix-pos-child-old.html      |  2 +-
 .../named-element-with-fix-pos-child-ref.html      |  2 +-
 .../new-and-old-sizes-match-ref.html               |  2 +-
 .../new-and-old-sizes-match.html                   |  2 +-
 .../new-content-captures-clip-path-ref.html        |  2 +-
 .../new-content-captures-clip-path.html            |  2 +-
 .../new-content-captures-different-size-ref.html   |  2 +-
 .../new-content-captures-different-size.html       |  2 +-
 .../new-content-captures-opacity-ref.html          |  2 +-
 .../new-content-captures-opacity.html              |  2 +-
 .../new-content-captures-positioned-spans-ref.html |  2 +-
 .../new-content-captures-positioned-spans.html     |  2 +-
 .../new-content-captures-root-ref.html             |  2 +-
 .../new-content-captures-root.html                 |  2 +-
 .../new-content-captures-spans-ref.html            |  2 +-
 .../new-content-captures-spans.html                |  2 +-
 .../new-content-changes-overflow-ref.html          |  2 +-
 .../new-content-changes-overflow.html              |  2 +-
 .../new-content-container-writing-modes-ref.html   |  2 +-
 .../new-content-container-writing-modes.html       |  2 +-
 .../new-content-element-writing-modes-ref.html     |  2 +-
 .../new-content-element-writing-modes.html         |  2 +-
 .../new-content-from-root-display-none-ref.html    |  2 +-
 .../new-content-from-root-display-none.html        |  2 +-
 .../new-content-has-scrollbars-ref.html            |  2 +-
 .../new-content-has-scrollbars.html                |  2 +-
 .../new-content-intrinsic-aspect-ratio.html        |  2 +-
 .../new-content-is-empty-div-ref.html              |  2 +-
 .../new-content-is-empty-div.html                  |  2 +-
 .../new-content-object-fit-fill.html               |  2 +-
 .../new-content-object-fit-none.html               |  2 +-
 .../new-content-object-view-box-clip-path-ref.html |  2 +-
 ...nt-object-view-box-clip-path-reference-ref.html |  2 +-
 ...ontent-object-view-box-clip-path-reference.html |  2 +-
 .../new-content-object-view-box-clip-path.html     |  2 +-
 ...ntent-object-view-box-overflow-clipped-ref.html |  2 +-
 ...w-content-object-view-box-overflow-clipped.html |  2 +-
 .../new-content-object-view-box-overflow-ref.html  |  2 +-
 .../new-content-object-view-box-overflow.html      |  2 +-
 .../new-content-scaling-ref.html                   |  2 +-
 .../css-view-transitions/new-content-scaling.html  |  2 +-
 .../new-content-with-object-view-box.html          |  2 +-
 .../new-content-with-overflow-zoomed.html          |  2 +-
 .../new-content-with-overflow.html                 |  2 +-
 .../new-element-on-start-ref.html                  |  2 +-
 .../css-view-transitions/new-element-on-start.html |  2 +-
 .../new-root-vertical-writing-mode-ref.html        |  2 +-
 .../new-root-vertical-writing-mode.html            |  2 +-
 .../no-crash-set-exception.html                    |  2 +-
 ...no-crash-view-transition-in-massive-iframe.html |  2 +-
 .../no-css-animation-while-render-blocked.html     |  2 +-
 .../no-raf-while-render-blocked.html               |  2 +-
 .../css-view-transitions/no-root-capture-ref.html  |  2 +-
 .../css/css-view-transitions/no-root-capture.html  |  2 +-
 .../no-white-flash-before-activation-ref.html      |  4 ++
 .../no-white-flash-before-activation.html          | 31 ++++++++++
 .../css-view-transitions/nothing-captured-ref.html |  2 +-
 .../css/css-view-transitions/nothing-captured.html |  2 +-
 .../object-view-box-new-image.html                 |  2 +-
 .../object-view-box-old-image.html                 |  2 +-
 .../css-view-transitions/object-view-box-ref.html  |  2 +-
 ...lement-modified-before-coming-onscreen-ref.html |  2 +-
 ...en-element-modified-before-coming-onscreen.html |  2 +-
 .../old-content-captures-clip-path-ref.html        |  2 +-
 .../old-content-captures-clip-path.html            |  2 +-
 .../old-content-captures-different-size-ref.html   |  2 +-
 .../old-content-captures-different-size.html       |  2 +-
 .../old-content-captures-opacity-ref.html          |  2 +-
 .../old-content-captures-opacity.html              |  2 +-
 .../old-content-captures-root-ref.html             |  2 +-
 .../old-content-captures-root.html                 |  2 +-
 .../old-content-container-writing-modes-ref.html   |  2 +-
 .../old-content-container-writing-modes.html       |  2 +-
 .../old-content-element-writing-modes-ref.html     |  2 +-
 .../old-content-element-writing-modes.html         |  2 +-
 .../old-content-has-scrollbars-ref.html            |  2 +-
 .../old-content-has-scrollbars.html                |  2 +-
 .../old-content-intrinsic-aspect-ratio.html        |  2 +-
 .../old-content-is-empty-div-ref.html              |  2 +-
 .../old-content-is-empty-div.html                  |  2 +-
 .../old-content-object-fit-fill.html               |  2 +-
 .../old-content-object-fit-none.html               |  2 +-
 .../old-content-object-view-box-clip-path-ref.html |  2 +-
 ...nt-object-view-box-clip-path-reference-ref.html |  2 +-
 ...ontent-object-view-box-clip-path-reference.html |  2 +-
 .../old-content-object-view-box-clip-path.html     |  2 +-
 .../old-content-object-view-box-overflow-ref.html  |  2 +-
 .../old-content-object-view-box-overflow.html      |  2 +-
 .../old-content-with-object-view-box.html          |  2 +-
 .../old-content-with-overflow-zoomed.html          |  2 +-
 .../old-content-with-overflow.html                 |  2 +-
 .../old-root-vertical-writing-mode-ref.html        |  2 +-
 .../old-root-vertical-writing-mode.html            |  2 +-
 ...child-on-root-element-with-view-transition.html |  2 +-
 .../only-child-view-transition.html                |  2 +-
 .../parsing/pseudo-elements-invalid.html           |  4 +-
 .../pseudo-rendering-invalidation-ref.html         |  2 +-
 .../pseudo-rendering-invalidation.html             |  2 +-
 ...pseudo-with-classes-match-wildcard-no-star.html | 40 +++++++++++++
 .../ready_resolves_after_dom_before_raf.html       |  2 +-
 .../root-captured-as-different-tag-ref.html        |  2 +-
 .../root-captured-as-different-tag.html            |  2 +-
 .../root-element-display-none-crash.html           |  2 +-
 ...ement-display-none-during-transition-crash.html |  2 +-
 .../root-scrollbar-with-fixed-background-ref.html  |  2 +-
 .../root-scrollbar-with-fixed-background.html      |  2 +-
 .../root-style-change-during-animation-ref.html    |  2 +-
 .../root-style-change-during-animation.html        |  2 +-
 .../root-to-shared-animation-end-ref.html          |  2 +-
 .../root-to-shared-animation-end.html              |  2 +-
 .../root-to-shared-animation-incoming-ref.html     |  2 +-
 .../root-to-shared-animation-incoming.html         |  2 +-
 .../root-to-shared-animation-start-ref.html        |  2 +-
 .../root-to-shared-animation-start.html            |  2 +-
 .../rtl-with-scrollbar-ref.html                    |  2 +-
 .../css-view-transitions/rtl-with-scrollbar.html   |  2 +-
 .../set-universal-specificity-ref.html             |  2 +-
 .../set-universal-specificity.html                 |  2 +-
 .../snapshot-containing-block-absolute-ref.html    |  2 +-
 .../snapshot-containing-block-absolute.html        |  2 +-
 ...aining-block-includes-scrollbar-gutter-ref.html |  2 +-
 ...containing-block-includes-scrollbar-gutter.html |  2 +-
 .../snapshot-containing-block-static-ref.html      |  2 +-
 .../snapshot-containing-block-static.html          |  2 +-
 .../css-view-transitions/style-inheritance.html    |  2 +-
 .../transition-in-empty-iframe-ref.html            |  2 +-
 .../transition-in-empty-iframe.html                |  2 +-
 .../transition-in-hidden-page.html                 | 70 ++++++++++++++++++++++
 .../update-callback-timeout.html                   | 25 ++++++++
 .../view-transition-name-on-document-root-ref.html |  2 +-
 .../view-transition-name-on-document-root.html     |  2 +-
 ...transition-name-removed-mid-transition-ref.html |  2 +-
 ...iew-transition-name-removed-mid-transition.html |  2 +-
 .../web-animations-api-ref.html                    |  2 +-
 .../css-view-transitions/web-animations-api.html   |  2 +-
 ...ndow-resize-aborts-transition-before-ready.html |  2 +-
 .../window-resize-aborts-transition.html           |  2 +-
 231 files changed, 396 insertions(+), 228 deletions(-)
 create mode 100644 testing/web-platform/tests/css/css-view-transitions/no-white-flash-before-activation-ref.html
 create mode 100644 testing/web-platform/tests/css/css-view-transitions/no-white-flash-before-activation.html
 create mode 100644 testing/web-platform/tests/css/css-view-transitions/pseudo-with-classes-match-wildcard-no-star.html
 create mode 100644 testing/web-platform/tests/css/css-view-transitions/transition-in-hidden-page.html
 create mode 100644 testing/web-platform/tests/css/css-view-transitions/update-callback-timeout.html

(limited to 'testing/web-platform/tests/css/css-view-transitions')

diff --git a/testing/web-platform/tests/css/css-view-transitions/3d-transform-incoming-ref.html b/testing/web-platform/tests/css/css-view-transitions/3d-transform-incoming-ref.html
index c690ee2b9a..18c47557c9 100644
--- a/testing/web-platform/tests/css/css-view-transitions/3d-transform-incoming-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/3d-transform-incoming-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: 3d transform ref</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 div { box-sizing: border-box; will-change: transform }
diff --git a/testing/web-platform/tests/css/css-view-transitions/3d-transform-incoming.html b/testing/web-platform/tests/css/css-view-transitions/3d-transform-incoming.html
index 24ab886025..983ba1d861 100644
--- a/testing/web-platform/tests/css/css-view-transitions/3d-transform-incoming.html
+++ b/testing/web-platform/tests/css/css-view-transitions/3d-transform-incoming.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: 3d transform</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="3d-transform-incoming-ref.html">
 <meta name=fuzzy content="3d-transform-incoming-ref.html:0-255;0-515">
diff --git a/testing/web-platform/tests/css/css-view-transitions/3d-transform-outgoing-ref.html b/testing/web-platform/tests/css/css-view-transitions/3d-transform-outgoing-ref.html
index 393943e396..0e09cba92b 100644
--- a/testing/web-platform/tests/css/css-view-transitions/3d-transform-outgoing-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/3d-transform-outgoing-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: 3d transform ref</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 div { box-sizing: border-box; will-change: transform }
diff --git a/testing/web-platform/tests/css/css-view-transitions/3d-transform-outgoing.html b/testing/web-platform/tests/css/css-view-transitions/3d-transform-outgoing.html
index 746b93afd4..398fa97ca9 100644
--- a/testing/web-platform/tests/css/css-view-transitions/3d-transform-outgoing.html
+++ b/testing/web-platform/tests/css/css-view-transitions/3d-transform-outgoing.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: 3d transform</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="3d-transform-outgoing-ref.html">
 <meta name=fuzzy content="3d-transform-outgoing-ref.html:0-255;0-1200">
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-object-fit-fill-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-object-fit-fill-ref.html
index b86e0a95a1..10ef0d5931 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-object-fit-fill-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-object-fit-fill-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: display content in a pseudo with object-fit: none (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 #container {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-object-fit-none-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-object-fit-none-ref.html
index 8bd63e9a88..10338231b0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-object-fit-none-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-object-fit-none-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: display content in a pseudo with object-fit: none (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 #container {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-smaller-than-box-size-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-smaller-than-box-size-ref.html
index 381a311cc4..19cd63d142 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-smaller-than-box-size-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-smaller-than-box-size-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: element with content less than box size (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-smaller-than-box-size.html b/testing/web-platform/tests/css/css-view-transitions/content-smaller-than-box-size.html
index d2b8f63ca0..86c6f9c7ee 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-smaller-than-box-size.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-smaller-than-box-size.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element with content less than box size</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-smaller-than-box-size-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-visibility-auto-shared-element-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-visibility-auto-shared-element-ref.html
index f4a34967ec..1fa42c5f38 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-visibility-auto-shared-element-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-visibility-auto-shared-element-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: offscreen content</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 body { background: pink }
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-visibility-auto-shared-element.html b/testing/web-platform/tests/css/css-view-transitions/content-visibility-auto-shared-element.html
index 11b4957fbc..1c74897000 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-visibility-auto-shared-element.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-visibility-auto-shared-element.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: offscreen content with content-visibility auto</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="content-visibility-auto-shared-element-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-child-with-transparent-background-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-child-with-transparent-background-ref.html
index 7b8c15b87f..250564b41c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-child-with-transparent-background-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-child-with-transparent-background-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: element with child with transparent background (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .shared {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-child-with-transparent-background.html b/testing/web-platform/tests/css/css-view-transitions/content-with-child-with-transparent-background.html
index 6c447aa1a8..81a53494d0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-child-with-transparent-background.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-child-with-transparent-background.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element with child with transparent background</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-child-with-transparent-background-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-clip-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-clip-ref.html
index a322301686..81fbabe3c5 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-clip-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-clip-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: element with clip (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root-ref.html
index f81a96370e..deea590892 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: element with clip (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .container {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root.html b/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root.html
index 5acd847734..e0aef0fc37 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-clip-root.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: root element with clip</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-clip-root-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-clip.html b/testing/web-platform/tests/css/css-view-transitions/content-with-clip.html
index 28bfa86875..9c9f2385c1 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-clip.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-clip.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element with clip</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-clip-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-inline-child-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-inline-child-ref.html
index 4bb87f316f..fada94f146 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-inline-child-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-inline-child-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: element with inline child (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="stylesheet" href="/fonts/ahem.css">
 <link rel="author" href="mailto:bokan@chromium.org">
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-inline-child.html b/testing/web-platform/tests/css/css-view-transitions/content-with-inline-child.html
index f1a5ca79af..bc72443b39 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-inline-child.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-inline-child.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element with inline child</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="stylesheet" href="/fonts/ahem.css">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="content-with-inline-child-ref.html">
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-object-view-box-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-object-view-box-ref.html
index 7aa2014397..c1b316ea6b 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-object-view-box-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-object-view-box-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture elements with object view box on the pseudo (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 body { background: pink }
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-overflow-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-overflow-ref.html
index a24e30ede9..f6e7c4e6f4 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-overflow-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-overflow-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: shared element with overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-overflow-zoomed-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-overflow-zoomed-ref.html
index a9d873957a..ae076d5578 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-overflow-zoomed-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-overflow-zoomed-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: shared element with overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-transform-new-image.html b/testing/web-platform/tests/css/css-view-transitions/content-with-transform-new-image.html
index 9baf9563d1..f86f64843c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-transform-new-image.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-transform-new-image.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-transform-ref.html">
 <meta name="fuzzy" content="content-with-transform-ref.html:0-1;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-transform-old-image.html b/testing/web-platform/tests/css/css-view-transitions/content-with-transform-old-image.html
index e3bd7fff1d..3755910a1b 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-transform-old-image.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-transform-old-image.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: object-view-box</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-transform-ref.html">
 <meta name="fuzzy" content="content-with-transform-ref.html:0-1;0-400">
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-transform-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-transform-ref.html
index 568e040c1e..8c2b65e63e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-transform-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-transform-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-transparent-background-ref.html b/testing/web-platform/tests/css/css-view-transitions/content-with-transparent-background-ref.html
index 7349d131d7..5ec3d5c64c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-transparent-background-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-transparent-background-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: element with transparent background (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/content-with-transparent-background.html b/testing/web-platform/tests/css/css-view-transitions/content-with-transparent-background.html
index b961a095e7..416cc4eca5 100644
--- a/testing/web-platform/tests/css/css-view-transitions/content-with-transparent-background.html
+++ b/testing/web-platform/tests/css/css-view-transitions/content-with-transparent-background.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element with transparent background</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-transparent-background-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-ref.html b/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-ref.html
index 780d5fbd45..808195a557 100644
--- a/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: css tags generate pseudo elements in paint order (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-with-entry-ref.html b/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-with-entry-ref.html
index e7f62c2346..2c91853187 100644
--- a/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-with-entry-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-with-entry-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: css tags generate pseudo elements in paint order (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-with-entry.html b/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-with-entry.html
index 703b64f5c6..2ba73758e2 100644
--- a/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-with-entry.html
+++ b/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order-with-entry.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: css tags generate pseudo elements in paint order</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="css-tags-paint-order-with-entry-ref.html">
 <meta name="fuzzy" content="css-tags-paint-order-with-entry-ref.html:0-120;0-300">
diff --git a/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order.html b/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order.html
index c0e8769b47..9f1c6ad961 100644
--- a/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order.html
+++ b/testing/web-platform/tests/css/css-view-transitions/css-tags-paint-order.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: css tags generate pseudo elements in paint order</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="css-tags-paint-order-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/css-tags-shared-element-ref.html b/testing/web-platform/tests/css/css-view-transitions/css-tags-shared-element-ref.html
index 23fa74dd5e..c2c9a1dc50 100644
--- a/testing/web-platform/tests/css/css-view-transitions/css-tags-shared-element-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/css-tags-shared-element-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: use css tags for shared elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/css-tags-shared-element.html b/testing/web-platform/tests/css/css-view-transitions/css-tags-shared-element.html
index 33bbae70fc..29ec7350d0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/css-tags-shared-element.html
+++ b/testing/web-platform/tests/css/css-view-transitions/css-tags-shared-element.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: use css tags for shared elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="css-tags-shared-element-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/dialog-in-rtl-iframe-ref.html b/testing/web-platform/tests/css/css-view-transitions/dialog-in-rtl-iframe-ref.html
index 44ed0947ab..fc6b4892a5 100644
--- a/testing/web-platform/tests/css/css-view-transitions/dialog-in-rtl-iframe-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/dialog-in-rtl-iframe-ref.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>View transitions: Dialog element in RTL scrollable iframe</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
   <style>
     iframe {
diff --git a/testing/web-platform/tests/css/css-view-transitions/dialog-in-rtl-iframe.html b/testing/web-platform/tests/css/css-view-transitions/dialog-in-rtl-iframe.html
index b9c0f7e25c..f5959bf434 100644
--- a/testing/web-platform/tests/css/css-view-transitions/dialog-in-rtl-iframe.html
+++ b/testing/web-platform/tests/css/css-view-transitions/dialog-in-rtl-iframe.html
@@ -2,7 +2,7 @@
 <html class=reftest-wait>
 <head>
   <title>View transitions: Dialog element in RTL scrollable iframe</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
   <link rel="match" href="dialog-in-rtl-iframe-ref.html">
   <meta name=fuzzy content="dialog-in-rtl-iframe-ref.html:0-80;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-new.html b/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-new.html
index 91c2277366..487a828b14 100644
--- a/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element in top layer during transition</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="dialog-in-top-layer-during-transition-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-old.html b/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-old.html
index 406bdac32b..5e9867e8cb 100644
--- a/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element in top layer during transition</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="dialog-in-top-layer-during-transition-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-ref.html b/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-ref.html
index 41467678a3..029b0e9f86 100644
--- a/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/dialog-in-top-layer-during-transition-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: element in top layer during transition (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/document-element-detached-crash.html b/testing/web-platform/tests/css/css-view-transitions/document-element-detached-crash.html
index cfdf769695..66a8db6b67 100644
--- a/testing/web-platform/tests/css/css-view-transitions/document-element-detached-crash.html
+++ b/testing/web-platform/tests/css/css-view-transitions/document-element-detached-crash.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="test-wait">
 <title>View transitions: documentElement.remove</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/element-with-overflow-ref.html b/testing/web-platform/tests/css/css-view-transitions/element-with-overflow-ref.html
index 523c8616a6..698b32956b 100644
--- a/testing/web-platform/tests/css/css-view-transitions/element-with-overflow-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/element-with-overflow-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: element with overflow ref</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
   .old_target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/element-with-overflow.html b/testing/web-platform/tests/css/css-view-transitions/element-with-overflow.html
index 678e0a062e..a4dcf5707b 100644
--- a/testing/web-platform/tests/css/css-view-transitions/element-with-overflow.html
+++ b/testing/web-platform/tests/css/css-view-transitions/element-with-overflow.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element with overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="element-with-overflow-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/event-pseudo-name.html b/testing/web-platform/tests/css/css-view-transitions/event-pseudo-name.html
index bccf64915d..a57c1d5108 100644
--- a/testing/web-platform/tests/css/css-view-transitions/event-pseudo-name.html
+++ b/testing/web-platform/tests/css/css-view-transitions/event-pseudo-name.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: event pseudo name</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="web-animations-api-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/far-away-capture-ref.html b/testing/web-platform/tests/css/css-view-transitions/far-away-capture-ref.html
index 9e10b9b44e..5fadcc5f9c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/far-away-capture-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/far-away-capture-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: offscreen content</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 body { background: pink }
diff --git a/testing/web-platform/tests/css/css-view-transitions/far-away-capture.html b/testing/web-platform/tests/css/css-view-transitions/far-away-capture.html
index bfe0b9fb94..97ad9dfb44 100644
--- a/testing/web-platform/tests/css/css-view-transitions/far-away-capture.html
+++ b/testing/web-platform/tests/css/css-view-transitions/far-away-capture.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: offscreen content</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="far-away-capture-ref.html">
 <meta name="fuzzy" content="far-away-capture-ref.html:0-1;0-5">
diff --git a/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element-from-point.html b/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element-from-point.html
index 7c9ed911cb..c9650d97b9 100644
--- a/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element-from-point.html
+++ b/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element-from-point.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: hit test shared element at the real dom location</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="hit-test-unpainted-element-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element-ref.html b/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element-ref.html
index dce9f27d90..9d50894d14 100644
--- a/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: hit test shared element at the real dom location (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element.html b/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element.html
index 68026edfb1..e8bec197f6 100644
--- a/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element.html
+++ b/testing/web-platform/tests/css/css-view-transitions/hit-test-unpainted-element.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: hit test shared element at the real dom location</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="hit-test-unpainted-element-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/hit-test-unrelated-element-ref.html b/testing/web-platform/tests/css/css-view-transitions/hit-test-unrelated-element-ref.html
index bca532b22c..99cde99149 100644
--- a/testing/web-platform/tests/css/css-view-transitions/hit-test-unrelated-element-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/hit-test-unrelated-element-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: hit test shared element at the real dom location (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/hit-test-unrelated-element.html b/testing/web-platform/tests/css/css-view-transitions/hit-test-unrelated-element.html
index 1b8868280b..a427aee8d1 100644
--- a/testing/web-platform/tests/css/css-view-transitions/hit-test-unrelated-element.html
+++ b/testing/web-platform/tests/css/css-view-transitions/hit-test-unrelated-element.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: hit test shared element at the real dom location</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="hit-test-unrelated-element-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/iframe-new-has-scrollbar-ref.html b/testing/web-platform/tests/css/css-view-transitions/iframe-new-has-scrollbar-ref.html
index ea895e8484..338f8a6f23 100644
--- a/testing/web-platform/tests/css/css-view-transitions/iframe-new-has-scrollbar-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/iframe-new-has-scrollbar-ref.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>View transitions: iframe transition to scrollbar (ref)</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
   <style>
     iframe {
diff --git a/testing/web-platform/tests/css/css-view-transitions/iframe-new-has-scrollbar.html b/testing/web-platform/tests/css/css-view-transitions/iframe-new-has-scrollbar.html
index 37a300902a..67a57bb885 100644
--- a/testing/web-platform/tests/css/css-view-transitions/iframe-new-has-scrollbar.html
+++ b/testing/web-platform/tests/css/css-view-transitions/iframe-new-has-scrollbar.html
@@ -2,7 +2,7 @@
 <html class=reftest-wait>
 <head>
   <title>View transitions: iframe transition to scrollbar</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
   <link rel="match" href="iframe-new-has-scrollbar-ref.html">
   <meta name=fuzzy content="iframe-new-has-scrollbar-ref.html:0-80;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/iframe-old-has-scrollbar-ref.html b/testing/web-platform/tests/css/css-view-transitions/iframe-old-has-scrollbar-ref.html
index 3bb9bdb88d..6d6556d51c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/iframe-old-has-scrollbar-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/iframe-old-has-scrollbar-ref.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>View transitions: iframe transition from scrollbar (ref)</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
   <style>
     iframe {
diff --git a/testing/web-platform/tests/css/css-view-transitions/iframe-old-has-scrollbar.html b/testing/web-platform/tests/css/css-view-transitions/iframe-old-has-scrollbar.html
index 014a429994..96dd75a3df 100644
--- a/testing/web-platform/tests/css/css-view-transitions/iframe-old-has-scrollbar.html
+++ b/testing/web-platform/tests/css/css-view-transitions/iframe-old-has-scrollbar.html
@@ -2,7 +2,7 @@
 <html class=reftest-wait>
 <head>
   <title>View transitions: iframe transition from scrollbar</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
   <link rel="match" href="iframe-old-has-scrollbar-ref.html">
   <meta name=fuzzy content="iframe-old-has-scrollbar-ref.html:0-80;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/iframe-transition-ref.html b/testing/web-platform/tests/css/css-view-transitions/iframe-transition-ref.html
index 49394f35f6..bf99b25f76 100644
--- a/testing/web-platform/tests/css/css-view-transitions/iframe-transition-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/iframe-transition-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: iframe</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 iframe { width: 500px; height: 500px }
diff --git a/testing/web-platform/tests/css/css-view-transitions/iframe-transition.sub.html b/testing/web-platform/tests/css/css-view-transitions/iframe-transition.sub.html
index 93a5cbed66..8fa361b0fc 100644
--- a/testing/web-platform/tests/css/css-view-transitions/iframe-transition.sub.html
+++ b/testing/web-platform/tests/css/css-view-transitions/iframe-transition.sub.html
@@ -2,7 +2,7 @@
 <html class=reftest-wait>
 <title>View transitions: iframe</title>
 <meta name="timeout" content="long">
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="iframe-transition-ref.html">
 <meta name="assert" content="Ensure that iframe root capture is sized and displayed correctly">
diff --git a/testing/web-platform/tests/css/css-view-transitions/inline-element-size-ref.html b/testing/web-platform/tests/css/css-view-transitions/inline-element-size-ref.html
index 177594c870..14b76fb07e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/inline-element-size-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/inline-element-size-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: capture elements with display inline (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/inline-element-size.html b/testing/web-platform/tests/css/css-view-transitions/inline-element-size.html
index c9f0d48942..4f94c92550 100644
--- a/testing/web-platform/tests/css/css-view-transitions/inline-element-size.html
+++ b/testing/web-platform/tests/css/css-view-transitions/inline-element-size.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="reftest-wait">
 <title>View transitions: capture elements with display inline</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="inline-element-size-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/input-targets-root-while-render-blocked.html b/testing/web-platform/tests/css/css-view-transitions/input-targets-root-while-render-blocked.html
index dbeb39da54..b26f8a45d6 100644
--- a/testing/web-platform/tests/css/css-view-transitions/input-targets-root-while-render-blocked.html
+++ b/testing/web-platform/tests/css/css-view-transitions/input-targets-root-while-render-blocked.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: ensure input targets document root while rendering is suppressed</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7797">
 <link rel="author" href="mailto:bokan@chromium.org">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/intrinsic-aspect-ratio-ref.html b/testing/web-platform/tests/css/css-view-transitions/intrinsic-aspect-ratio-ref.html
index 4455ad6172..02d9cfeb8e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/intrinsic-aspect-ratio-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/intrinsic-aspect-ratio-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: different width container should keep aspect ratio (by default)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .spacer {
diff --git a/testing/web-platform/tests/css/css-view-transitions/japanese-tag-ref.html b/testing/web-platform/tests/css/css-view-transitions/japanese-tag-ref.html
index 8c57dba658..ac05756f05 100644
--- a/testing/web-platform/tests/css/css-view-transitions/japanese-tag-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/japanese-tag-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: shared element writing-modes (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/japanese-tag.html b/testing/web-platform/tests/css/css-view-transitions/japanese-tag.html
index 976dcab4fc..8940608f95 100644
--- a/testing/web-platform/tests/css/css-view-transitions/japanese-tag.html
+++ b/testing/web-platform/tests/css/css-view-transitions/japanese-tag.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element writing-modes</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="japanese-tag-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/list-style-position-style-change-crash.html b/testing/web-platform/tests/css/css-view-transitions/list-style-position-style-change-crash.html
index 5910d5d95a..2a033ddc7e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/list-style-position-style-change-crash.html
+++ b/testing/web-platform/tests/css/css-view-transitions/list-style-position-style-change-crash.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="test-wait">
 <title>View transitions: list-style-position crash</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 
 <script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-new.html
index 9a00a62b7a..23f5fc22cf 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below and on top of viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-below-and-on-top-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-below-and-on-top-of-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-old.html
index ed16ac5662..fbc8edadc0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below and on top of viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-below-and-on-top-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-below-and-on-top-of-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-ref.html
index 507f9b8c0a..e251196cbf 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-and-on-top-of-viewport-partially-onscreen-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: massive element below viewport partially onscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-new.html
index b5c0d4e9ae..611d4da21a 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below viewport and completely offscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-below-viewport-offscreen-ref.html">
 <meta name="fuzzy" content="massive-element-below-viewport-offscreen-ref.html:maxDifference=0-3;totalPixels=0-950">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-old.html
index 6eeb85af3e..bda3ebf1b1 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below viewport and completely offscreen (old content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-below-viewport-offscreen-ref.html">
 <meta name="fuzzy" content="massive-element-below-viewport-offscreen-ref.html:maxDifference=0-2;totalPixels=0-445">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-ref.html
index 05827eb196..ef26c46f0d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-offscreen-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: massive element below viewport and completely offscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-new.html
index 54232ead6f..e881e19622 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-below-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-below-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-old.html
index 772720def1..c8c3c53082 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-below-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-below-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-445">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-ref.html
index 001c135f0a..3c2ae6a6f5 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-below-viewport-partially-onscreen-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: massive element below viewport partially onscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-new.html
index d9d03d1e91..c8471032a4 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element on top of viewport and completely offscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-left-of-viewport-offscreen-ref.html">
 <meta name="fuzzy" content="massive-element-left-of-viewport-offscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-old.html
index 7861e5c3b8..04ab58f3aa 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element on top of viewport and completely offscreen (old content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-left-of-viewport-offscreen-ref.html">
 <meta name="fuzzy" content="massive-element-left-of-viewport-offscreen-ref.html:maxDifference=0-3;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-ref.html
index 32e688bbdb..3fb7a7a530 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-offscreen-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: massive element on top of viewport and completely offscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 :root {
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-new.html
index 7c14cef2d0..15cc94ffe7 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element on top of viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-left-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-left-of-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-old.html
index b586f96de9..0d2aeec59d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element on top of viewport partially onscreen (old content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-left-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-left-of-viewport-partially-onscreen-ref.html:maxDifference=0-3;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-ref.html
index 8fa3050535..436783b42e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-left-of-viewport-partially-onscreen-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: massive element on top of viewport partially onscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 :root {
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-new.html
index f4a9f833df..6ef8edd3b0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element on top of viewport and completely offscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-on-top-of-viewport-offscreen-ref.html">
 <meta name="fuzzy" content="massive-element-on-top-of-viewport-offscreen-ref.html:maxDifference=0-6;totalPixels=0-920">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-old.html
index a2eb0447bd..5e303e8286 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element on top of viewport and completely offscreen (old content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-on-top-of-viewport-offscreen-ref.html">
 <meta name="fuzzy" content="massive-element-on-top-of-viewport-offscreen-ref.html:maxDifference=0-3;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-ref.html
index e835907738..697719507f 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-offscreen-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: massive element on top of viewport and completely offscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target_at_bottom_edge {
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-new.html
index 764a311fc9..a9e5f5842a 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element on top of viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-on-top-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-on-top-of-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-old.html
index cecefd8f58..41dc622914 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element on top of viewport partially onscreen (old content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-on-top-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-on-top-of-viewport-partially-onscreen-ref.html:maxDifference=0-3;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-ref.html
index 9c60e8bf1d..6377c72616 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-on-top-of-viewport-partially-onscreen-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: massive element on top of viewport partially onscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-new.html
index b1bae1c09b..719701fe88 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below and on top of viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-right-and-left-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-right-and-left-of-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-old.html
index c878ce881e..e8eeec3f26 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below and on top of viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-right-and-left-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-right-and-left-of-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-ref.html
index 3516741da0..c7bdc7afee 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-and-left-of-viewport-partially-onscreen-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: massive element below viewport partially onscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 :root {
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-new.html
index 91b133f2cf..89d00a53a8 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below viewport and completely offscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-right-of-viewport-offscreen-ref.html">
 <meta name="fuzzy" content="massive-element-right-of-viewport-offscreen-ref.html:maxDifference=0-2;totalPixels=0-445">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-old.html
index 164ff05f93..04247af18e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below viewport and completely offscreen (old content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-right-of-viewport-offscreen-ref.html">
 <meta name="fuzzy" content="massive-element-right-of-viewport-offscreen-ref.html:maxDifference=0-3;totalPixels=0-445">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-ref.html
index f29d3ac609..ed554d4dfe 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-offscreen-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: massive element below viewport and completely offscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-new.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-new.html
index b63ed07225..a7b599e5eb 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-right-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-right-of-viewport-partially-onscreen-ref.html:maxDifference=0-2;totalPixels=0-330">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-old.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-old.html
index cf090e0ab4..2498f2e1f1 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: massive element below viewport partially onscreen (new content)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="massive-element-right-of-viewport-partially-onscreen-ref.html">
 <meta name="fuzzy" content="massive-element-right-of-viewport-partially-onscreen-ref.html:maxDifference=0-3;totalPixels=0-445">
diff --git a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-ref.html
index 1df26bb375..b134c15858 100644
--- a/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/massive-element-right-of-viewport-partially-onscreen-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: massive element below viewport partially onscreen (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 :root {
diff --git a/testing/web-platform/tests/css/css-view-transitions/modify-style-via-cssom-ref.html b/testing/web-platform/tests/css/css-view-transitions/modify-style-via-cssom-ref.html
index dd93e0b498..503418c3dc 100644
--- a/testing/web-platform/tests/css/css-view-transitions/modify-style-via-cssom-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/modify-style-via-cssom-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: Modify style via CSSOM (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 #box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/modify-style-via-cssom.html b/testing/web-platform/tests/css/css-view-transitions/modify-style-via-cssom.html
index 6f026607bc..5e96a68465 100644
--- a/testing/web-platform/tests/css/css-view-transitions/modify-style-via-cssom.html
+++ b/testing/web-platform/tests/css/css-view-transitions/modify-style-via-cssom.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="reftest-wait">
 <title>View transitions: Modify style via CSSOM</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="modify-style-via-cssom-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-new.html b/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-new.html
index 8a552b03a5..402c2a4131 100644
--- a/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-new.html
+++ b/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-new.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element with fixed position descendant</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="named-element-with-fix-pos-child-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-old.html b/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-old.html
index a8211f4200..b011291bfc 100644
--- a/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-old.html
+++ b/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-old.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: element with fixed position descendant</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="named-element-with-fix-pos-child-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-ref.html b/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-ref.html
index a161cd8fc9..7d513e282d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/named-element-with-fix-pos-child-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: element with fixed position descendant (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-and-old-sizes-match-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-and-old-sizes-match-ref.html
index b8c3b34c03..79e8980139 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-and-old-sizes-match-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-and-old-sizes-match-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture elements with different size capture</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <script src="/common/reftest-wait.js"></script>
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-and-old-sizes-match.html b/testing/web-platform/tests/css/css-view-transitions/new-and-old-sizes-match.html
index 78efa9d82f..094d6963bf 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-and-old-sizes-match.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-and-old-sizes-match.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture elements with different size capture</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-and-old-sizes-match-ref.html">
 <meta name="fuzzy" content="new-and-old-sizes-match-ref.html:0-1;0-300">
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-clip-path-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-clip-path-ref.html
index 1b28bbf29b..a216bff8b0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-clip-path-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-clip-path-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture opacity elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-clip-path.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-clip-path.html
index 4a2dfc78c2..702bb09bc3 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-clip-path.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-clip-path.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture clip-path elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-captures-clip-path-ref.html">
 <meta name="fuzzy" content="new-content-captures-clip-path-ref.html:0-1;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-different-size-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-different-size-ref.html
index 2a80cf5568..62de5018a8 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-different-size-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-different-size-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture elements with different size capture (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-different-size.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-different-size.html
index a891dec555..740199675d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-different-size.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-different-size.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: capture elements with different size capture</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-captures-different-size-ref.html">
 <meta name=fuzzy content="new-content-captures-different-size-ref.html:0-40;0-30000">
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-opacity-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-opacity-ref.html
index deea6d139b..615d414594 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-opacity-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-opacity-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture opacity elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-opacity.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-opacity.html
index ab4efd1f42..03d2cc858e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-opacity.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-opacity.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture opacity elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-captures-opacity-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-positioned-spans-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-positioned-spans-ref.html
index 6d906fc6f1..9d9cfa06be 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-positioned-spans-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-positioned-spans-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture opacity elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 span {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-positioned-spans.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-positioned-spans.html
index b88654cd37..7ea6b1583c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-positioned-spans.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-positioned-spans.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture span elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-captures-positioned-spans-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-root-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-root-ref.html
index 2f2e5e7694..4b0cae3f8e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-root-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-root-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture opacity elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-root.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-root.html
index 84e55de58a..90b13c338c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-root.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-root.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture root elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-captures-root-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-spans-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-spans-ref.html
index b95233d712..f7bba2d683 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-spans-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-spans-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture opacity elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 span {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-spans.html b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-spans.html
index 843f6752d7..94bef1d6dd 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-captures-spans.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-captures-spans.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture span elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-captures-spans-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-changes-overflow-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-changes-overflow-ref.html
index 5f75909e82..3f69ac695d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-changes-overflow-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-changes-overflow-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture elements and then change overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 body { background: pink }
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-changes-overflow.html b/testing/web-platform/tests/css/css-view-transitions/new-content-changes-overflow.html
index a8e2fa8c6b..9dbd258833 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-changes-overflow.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-changes-overflow.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: capture elements and then change overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-changes-overflow-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-container-writing-modes-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-container-writing-modes-ref.html
index 34e36786f8..161e3876ac 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-container-writing-modes-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-container-writing-modes-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: container of shared element writing-modes (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-container-writing-modes.html b/testing/web-platform/tests/css/css-view-transitions/new-content-container-writing-modes.html
index e7ac768e17..c6fceff6c1 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-container-writing-modes.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-container-writing-modes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: container of shared element writing-modes</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-container-writing-modes-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-element-writing-modes-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-element-writing-modes-ref.html
index 94280ae3af..9ed3f5f681 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-element-writing-modes-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-element-writing-modes-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: shared element writing-modes (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-element-writing-modes.html b/testing/web-platform/tests/css/css-view-transitions/new-content-element-writing-modes.html
index d7740d78f5..6a975c6d9c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-element-writing-modes.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-element-writing-modes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element writing-modes</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-element-writing-modes-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-from-root-display-none-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-from-root-display-none-ref.html
index e936a779c7..6c165d1b24 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-from-root-display-none-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-from-root-display-none-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: capture starts with root being display none (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .tb { writing-mode: horizontal-tb; }
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-from-root-display-none.html b/testing/web-platform/tests/css/css-view-transitions/new-content-from-root-display-none.html
index 4d2ad28b17..e59c029ccc 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-from-root-display-none.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-from-root-display-none.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait style="display: none">
 <title>View transitions: capture starts with root being display none</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-from-root-display-none-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-has-scrollbars-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-has-scrollbars-ref.html
index eddd733014..6ff0b8cbcf 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-has-scrollbars-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-has-scrollbars-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: incoming viewport has scrollbars (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7859">
 <link rel="author" href="mailto:bokan@chromium.org">
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-has-scrollbars.html b/testing/web-platform/tests/css/css-view-transitions/new-content-has-scrollbars.html
index 4024952b13..3246a7e76f 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-has-scrollbars.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-has-scrollbars.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: incoming viewport has scrollbars</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7859">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="new-content-has-scrollbars-ref.html">
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html b/testing/web-platform/tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html
index 53ec94122f..60f2b92036 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: different width container should keep aspect ratio (by default)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="intrinsic-aspect-ratio-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-is-empty-div-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-is-empty-div-ref.html
index c85028d3bd..7492467a12 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-is-empty-div-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-is-empty-div-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: new content captures an empty div (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 div {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-is-empty-div.html b/testing/web-platform/tests/css/css-view-transitions/new-content-is-empty-div.html
index bacc63f194..a61a6f06ef 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-is-empty-div.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-is-empty-div.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: old content captures an empty div</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-is-empty-div-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-fit-fill.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-fit-fill.html
index b891eee16d..04a80409c5 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-fit-fill.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-fit-fill.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: display content in a pseudo with object-fit: fill</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="content-object-fit-fill-ref.html">
 <meta name="fuzzy" content="content-object-fit-fill-ref.html:0-60;0-20">
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-fit-none.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-fit-none.html
index d4b81b1a0e..ccdbc6edc3 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-fit-none.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-fit-none.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: display content in a pseudo with object-fit: none</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="content-object-fit-none-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-ref.html
index 28e22b8ca2..1a17f0b8e0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box with larger overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference-ref.html
index b1871141c2..41b5c41db2 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box with larger overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html
index 01a3ed3204..73346e66df 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box with larger clip-path</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-object-view-box-clip-path-reference-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path.html
index dcd5fec70a..47b1e91c9d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-clip-path.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box with larger clip-path</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-object-view-box-clip-path-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped-ref.html
index d6016c950e..89d2331971 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box with larger overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html
index 593901529f..1c4761f1f3 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box with larger overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-object-view-box-overflow-clipped-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-ref.html
index d6016c950e..89d2331971 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box with larger overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow.html b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow.html
index 2bbea1e1c4..89e83beb7f 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-object-view-box-overflow.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box with larger overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-object-view-box-overflow-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-scaling-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-content-scaling-ref.html
index 1ca35f5a42..729be2fcbf 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-scaling-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-scaling-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: display content in a pseudo with proper scaling (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .inner {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-scaling.html b/testing/web-platform/tests/css/css-view-transitions/new-content-scaling.html
index 4ea3c2e04a..bccb760fb5 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-scaling.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-scaling.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: display content in a pseudo with proper scaling</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-content-scaling-ref.html">
 <meta name="fuzzy" content="new-content-scaling-ref.html:maxDifference=0-16;totalPixels=0-400">
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-with-object-view-box.html b/testing/web-platform/tests/css/css-view-transitions/new-content-with-object-view-box.html
index 47917e90f3..40139bbaa9 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-with-object-view-box.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-with-object-view-box.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: capture elements with object view box on the pseudo</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="content-with-object-view-box-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-with-overflow-zoomed.html b/testing/web-platform/tests/css/css-view-transitions/new-content-with-overflow-zoomed.html
index 59170ebf00..4ab9fa5a57 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-with-overflow-zoomed.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-with-overflow-zoomed.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element with overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-overflow-zoomed-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-content-with-overflow.html b/testing/web-platform/tests/css/css-view-transitions/new-content-with-overflow.html
index e2dc045089..165b4710ca 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-content-with-overflow.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-content-with-overflow.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element with overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-overflow-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-element-on-start-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-element-on-start-ref.html
index b3db1f2e19..8c096d1b10 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-element-on-start-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-element-on-start-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: one element captured for two tags (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 div {
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-element-on-start.html b/testing/web-platform/tests/css/css-view-transitions/new-element-on-start.html
index 7e870e9d89..d57bdd6d42 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-element-on-start.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-element-on-start.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: new element tag specified for start phase</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-element-on-start-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-root-vertical-writing-mode-ref.html b/testing/web-platform/tests/css/css-view-transitions/new-root-vertical-writing-mode-ref.html
index f6b817d92b..99ca705d00 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-root-vertical-writing-mode-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-root-vertical-writing-mode-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: container of shared element writing-modes (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/new-root-vertical-writing-mode.html b/testing/web-platform/tests/css/css-view-transitions/new-root-vertical-writing-mode.html
index 61dc5aca17..e956fbc6cd 100644
--- a/testing/web-platform/tests/css/css-view-transitions/new-root-vertical-writing-mode.html
+++ b/testing/web-platform/tests/css/css-view-transitions/new-root-vertical-writing-mode.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: container of shared element writing-modes</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-root-vertical-writing-mode-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/no-crash-set-exception.html b/testing/web-platform/tests/css/css-view-transitions/no-crash-set-exception.html
index e1596cf76e..bc0d764a59 100644
--- a/testing/web-platform/tests/css/css-view-transitions/no-crash-set-exception.html
+++ b/testing/web-platform/tests/css/css-view-transitions/no-crash-set-exception.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: author styles ignored during prepare</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/no-crash-view-transition-in-massive-iframe.html b/testing/web-platform/tests/css/css-view-transitions/no-crash-view-transition-in-massive-iframe.html
index c004a94dcb..ae9113cb1f 100644
--- a/testing/web-platform/tests/css/css-view-transitions/no-crash-view-transition-in-massive-iframe.html
+++ b/testing/web-platform/tests/css/css-view-transitions/no-crash-view-transition-in-massive-iframe.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: no crash with view-transitions in massive iframe</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:roger.johannesson@xperi.com">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/no-css-animation-while-render-blocked.html b/testing/web-platform/tests/css/css-view-transitions/no-css-animation-while-render-blocked.html
index ae9cfda9bb..85af434a14 100644
--- a/testing/web-platform/tests/css/css-view-transitions/no-css-animation-while-render-blocked.html
+++ b/testing/web-platform/tests/css/css-view-transitions/no-css-animation-while-render-blocked.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html>
 <title>View transitions: CSS Animations are paused while render-blocked</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/no-raf-while-render-blocked.html b/testing/web-platform/tests/css/css-view-transitions/no-raf-while-render-blocked.html
index 52058b7a04..a86fd14536 100644
--- a/testing/web-platform/tests/css/css-view-transitions/no-raf-while-render-blocked.html
+++ b/testing/web-platform/tests/css/css-view-transitions/no-raf-while-render-blocked.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html>
 <title>View transitions: rAF is not issued while render-blocked</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/no-root-capture-ref.html b/testing/web-platform/tests/css/css-view-transitions/no-root-capture-ref.html
index 98ac7c9de9..1fe68ad941 100644
--- a/testing/web-platform/tests/css/css-view-transitions/no-root-capture-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/no-root-capture-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: shared element with overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/no-root-capture.html b/testing/web-platform/tests/css/css-view-transitions/no-root-capture.html
index 9e16d1e447..87e0326600 100644
--- a/testing/web-platform/tests/css/css-view-transitions/no-root-capture.html
+++ b/testing/web-platform/tests/css/css-view-transitions/no-root-capture.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element with overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="no-root-capture-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/no-white-flash-before-activation-ref.html b/testing/web-platform/tests/css/css-view-transitions/no-white-flash-before-activation-ref.html
new file mode 100644
index 0000000000..f661c07439
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/no-white-flash-before-activation-ref.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<html>
+<body style="background-color: #000;"></body>
+</html>
diff --git a/testing/web-platform/tests/css/css-view-transitions/no-white-flash-before-activation.html b/testing/web-platform/tests/css/css-view-transitions/no-white-flash-before-activation.html
new file mode 100644
index 0000000000..1b4bb7cfae
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/no-white-flash-before-activation.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+    <title>View Transitions: No white flash should be visible during the duration of the update callback</title>
+    <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/#ref-for-captured-in-a-view-transition">
+    <link rel="match" href="no-white-flash-before-activation-ref.html">
+    <style>
+        body {
+            margin: 0;
+        }
+        div {
+            width: 100vw;
+            height: 100vh;
+            background-color: #000;
+        }
+    </style>
+</head>
+<body>
+    <div></div>
+    <script src="/common/reftest-wait.js"></script>
+    <script>
+        failIfNot(document.startViewTransition, "Missing document.startViewTransition");
+        addEventListener("load", () => {
+            document.startViewTransition(() => {
+                requestAnimationFrame(takeScreenshot);
+                return new Promise(() => {});
+            });
+        });
+    </script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-view-transitions/nothing-captured-ref.html b/testing/web-platform/tests/css/css-view-transitions/nothing-captured-ref.html
index 98ac7c9de9..1fe68ad941 100644
--- a/testing/web-platform/tests/css/css-view-transitions/nothing-captured-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/nothing-captured-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: shared element with overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/nothing-captured.html b/testing/web-platform/tests/css/css-view-transitions/nothing-captured.html
index 468cb6e199..ac5635ec7c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/nothing-captured.html
+++ b/testing/web-platform/tests/css/css-view-transitions/nothing-captured.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element with overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="nothing-captured-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/object-view-box-new-image.html b/testing/web-platform/tests/css/css-view-transitions/object-view-box-new-image.html
index 3ea7eb96b6..8ef19ed358 100644
--- a/testing/web-platform/tests/css/css-view-transitions/object-view-box-new-image.html
+++ b/testing/web-platform/tests/css/css-view-transitions/object-view-box-new-image.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="object-view-box-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/object-view-box-old-image.html b/testing/web-platform/tests/css/css-view-transitions/object-view-box-old-image.html
index 7f6f79ba44..335e48fa70 100644
--- a/testing/web-platform/tests/css/css-view-transitions/object-view-box-old-image.html
+++ b/testing/web-platform/tests/css/css-view-transitions/object-view-box-old-image.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: object-view-box</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="object-view-box-ref.html">
 <meta name="fuzzy" content="object-view-box-ref.html:0-1;0-300">
diff --git a/testing/web-platform/tests/css/css-view-transitions/object-view-box-ref.html b/testing/web-platform/tests/css/css-view-transitions/object-view-box-ref.html
index 9ed1e50309..744f77f81e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/object-view-box-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/object-view-box-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen-ref.html b/testing/web-platform/tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen-ref.html
index 171f999554..e1142fa5f6 100644
--- a/testing/web-platform/tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: new element is modified while offscren and brought onscreen using pseudo (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen.html b/testing/web-platform/tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen.html
index 77c35ab583..2a47a05972 100644
--- a/testing/web-platform/tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen.html
+++ b/testing/web-platform/tests/css/css-view-transitions/offscreen-element-modified-before-coming-onscreen.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: new element is modified while offscren and brought onscreen using pseudo</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="offscreen-element-modified-before-coming-onscreen-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path-ref.html
index 0d9d498b6b..2f02cf13d0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture clip-path elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path.html
index 467b19d928..7ed5e1ca15 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-clip-path.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture clip-path elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-captures-clip-path-ref.html">
 <meta name="fuzzy" content="old-content-captures-clip-path-ref.html:0-1;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-different-size-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-different-size-ref.html
index 4fbabd48f7..52e9941416 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-different-size-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-different-size-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture elements with different size capture (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-different-size.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-different-size.html
index a8d375f064..392247bc95 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-different-size.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-different-size.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: capture elements with different size capture</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-captures-different-size-ref.html">
 <meta name=fuzzy content="old-content-captures-different-size-ref.html:0-40;0-30000">
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-opacity-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-opacity-ref.html
index 33f7f5b14a..fd48fb20e9 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-opacity-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-opacity-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture opacity elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-opacity.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-opacity.html
index ee3e3e4cde..cd71c9dfaf 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-opacity.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-opacity.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture opacity elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-captures-opacity-ref.html">
 <meta name=fuzzy content="old-content-captures-opacity-ref.html:0-1;0-50000">
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-root-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-root-ref.html
index 92bd70f6f4..ca4705f818 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-root-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-root-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture root elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-root.html b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-root.html
index 96acb9f455..51a22bc136 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-captures-root.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-captures-root.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture root elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-captures-root-ref.html">
 <meta name="fuzzy" content="old-content-captures-root-ref.html:0-1;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-container-writing-modes-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-container-writing-modes-ref.html
index be264399c8..b109c7c1dd 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-container-writing-modes-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-container-writing-modes-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: container of shared element writing-modes (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-container-writing-modes.html b/testing/web-platform/tests/css/css-view-transitions/old-content-container-writing-modes.html
index 9896c27152..1a0d9b9428 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-container-writing-modes.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-container-writing-modes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: container of shared element writing-modes</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-container-writing-modes-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-element-writing-modes-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-element-writing-modes-ref.html
index 8c57dba658..ac05756f05 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-element-writing-modes-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-element-writing-modes-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: shared element writing-modes (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-element-writing-modes.html b/testing/web-platform/tests/css/css-view-transitions/old-content-element-writing-modes.html
index 5029c6aaaa..3b1ba1ad4f 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-element-writing-modes.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-element-writing-modes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element writing-modes</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-element-writing-modes-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-has-scrollbars-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-has-scrollbars-ref.html
index b349e80700..640777bf08 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-has-scrollbars-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-has-scrollbars-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: outgoing viewport has scrollbars (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7859">
 <link rel="author" href="mailto:bokan@chromium.org">
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-has-scrollbars.html b/testing/web-platform/tests/css/css-view-transitions/old-content-has-scrollbars.html
index 781ff7c125..13e26c702d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-has-scrollbars.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-has-scrollbars.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: outgoing viewport has scrollbars</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7859">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="old-content-has-scrollbars-ref.html">
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-intrinsic-aspect-ratio.html b/testing/web-platform/tests/css/css-view-transitions/old-content-intrinsic-aspect-ratio.html
index b46a778217..bfca9d321a 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-intrinsic-aspect-ratio.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-intrinsic-aspect-ratio.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: different width container should keep aspect ratio (by default)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="intrinsic-aspect-ratio-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-is-empty-div-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-is-empty-div-ref.html
index b4b17ee780..8144bfe43c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-is-empty-div-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-is-empty-div-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: old content captures an empty div (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 div {
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-is-empty-div.html b/testing/web-platform/tests/css/css-view-transitions/old-content-is-empty-div.html
index 137060c1dd..34aa580b34 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-is-empty-div.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-is-empty-div.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: old content captures an empty div</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-is-empty-div-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-object-fit-fill.html b/testing/web-platform/tests/css/css-view-transitions/old-content-object-fit-fill.html
index 9ad8b14843..0652b30a07 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-object-fit-fill.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-object-fit-fill.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: display content in a pseudo with object-fit: fill</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="content-object-fit-fill-ref.html">
 <meta name="fuzzy" content="content-object-fit-fill-ref.html:0-60;0-20">
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-object-fit-none.html b/testing/web-platform/tests/css/css-view-transitions/old-content-object-fit-none.html
index 1275aece7c..cfe733230b 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-object-fit-none.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-object-fit-none.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: display content in a pseudo with object-fit: none</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="content-object-fit-none-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-ref.html
index 28e22b8ca2..1a17f0b8e0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box with larger overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference-ref.html
index b1871141c2..41b5c41db2 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box with larger overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference.html b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference.html
index 14a1ee83d9..5e6969d9cc 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box with larger clip-path</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-object-view-box-clip-path-reference-ref.html">
 <meta name="fuzzy" content="old-content-object-view-box-clip-path-reference-ref.html:0-1;0-100">
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path.html b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path.html
index dff57c68f6..f894555154 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-clip-path.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box with larger clip-path</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-object-view-box-clip-path-ref.html">
 <meta name="fuzzy" content="old-content-object-view-box-clip-path-ref.html:0-1;0-30">
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-overflow-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-overflow-ref.html
index d6016c950e..89d2331971 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-overflow-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-overflow-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: object-view-box with larger overflow (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-overflow.html b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-overflow.html
index ff9bb4e7d2..09285ddfe4 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-overflow.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-object-view-box-overflow.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: object-view-box with larger overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-object-view-box-overflow-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-with-object-view-box.html b/testing/web-platform/tests/css/css-view-transitions/old-content-with-object-view-box.html
index f24c8e60d1..df32005546 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-with-object-view-box.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-with-object-view-box.html
@@ -2,7 +2,7 @@
 <meta name="timeout" content="long">
 <html class=reftest-wait>
 <title>View transitions: capture elements with object view box on the pseudo</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="content-with-object-view-box-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-with-overflow-zoomed.html b/testing/web-platform/tests/css/css-view-transitions/old-content-with-overflow-zoomed.html
index 10257b761f..fa701deb33 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-with-overflow-zoomed.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-with-overflow-zoomed.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element with overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-overflow-zoomed-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-content-with-overflow.html b/testing/web-platform/tests/css/css-view-transitions/old-content-with-overflow.html
index 6ed31d375c..79c7ba160e 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-content-with-overflow.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-content-with-overflow.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: shared element with overflow</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="content-with-overflow-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-root-vertical-writing-mode-ref.html b/testing/web-platform/tests/css/css-view-transitions/old-root-vertical-writing-mode-ref.html
index bb4f2df0f8..2927b468d0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-root-vertical-writing-mode-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-root-vertical-writing-mode-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: container of shared element writing-modes (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/old-root-vertical-writing-mode.html b/testing/web-platform/tests/css/css-view-transitions/old-root-vertical-writing-mode.html
index 5f4425f64d..e94610e261 100644
--- a/testing/web-platform/tests/css/css-view-transitions/old-root-vertical-writing-mode.html
+++ b/testing/web-platform/tests/css/css-view-transitions/old-root-vertical-writing-mode.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: container of shared element writing-modes</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="new-root-vertical-writing-mode-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/only-child-on-root-element-with-view-transition.html b/testing/web-platform/tests/css/css-view-transitions/only-child-on-root-element-with-view-transition.html
index 8b81c35ff6..eaecbfe852 100644
--- a/testing/web-platform/tests/css/css-view-transitions/only-child-on-root-element-with-view-transition.html
+++ b/testing/web-platform/tests/css/css-view-transitions/only-child-on-root-element-with-view-transition.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="reftest-wait foo">
 <title>View transitions: ensure :only-child is supported on view-transition</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/only-child-view-transition.html b/testing/web-platform/tests/css/css-view-transitions/only-child-view-transition.html
index 2089e9225e..02683423c0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/only-child-view-transition.html
+++ b/testing/web-platform/tests/css/css-view-transitions/only-child-view-transition.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: ensure :only-child is supported on view-transition</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/parsing/pseudo-elements-invalid.html b/testing/web-platform/tests/css/css-view-transitions/parsing/pseudo-elements-invalid.html
index 5a2624d09d..14bd768f76 100644
--- a/testing/web-platform/tests/css/css-view-transitions/parsing/pseudo-elements-invalid.html
+++ b/testing/web-platform/tests/css/css-view-transitions/parsing/pseudo-elements-invalid.html
@@ -60,9 +60,7 @@ for (const fn of functionPseudoElements) {
     test_invalid_selector(`${fn}(foo bar)`);
     test_invalid_selector_combinations(`${fn}(foo bar)`);
 
-    // Test function with selector arguments.
-    test_invalid_selector(`${fn}(.foo)`);
-    test_invalid_selector_combinations(`${fn}(.foo)`);
+  // Test function with selector arguments.
     test_invalid_selector(`${fn}(#bar)`);
     test_invalid_selector_combinations(`${fn}(#bar)`);
 }
diff --git a/testing/web-platform/tests/css/css-view-transitions/pseudo-rendering-invalidation-ref.html b/testing/web-platform/tests/css/css-view-transitions/pseudo-rendering-invalidation-ref.html
index f622f94b5f..6b3b493b6b 100644
--- a/testing/web-platform/tests/css/css-view-transitions/pseudo-rendering-invalidation-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/pseudo-rendering-invalidation-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: invalidating VT pseudo elements renders correctly (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/pseudo-rendering-invalidation.html b/testing/web-platform/tests/css/css-view-transitions/pseudo-rendering-invalidation.html
index 55a9d5d373..e1f1718618 100644
--- a/testing/web-platform/tests/css/css-view-transitions/pseudo-rendering-invalidation.html
+++ b/testing/web-platform/tests/css/css-view-transitions/pseudo-rendering-invalidation.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: invalidating VT pseudo elements renders correctly</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="pseudo-rendering-invalidation-ref.html">
 <meta name="fuzzy" content="pseudo-rendering-invalidation-ref.html:0-20;0-300">
diff --git a/testing/web-platform/tests/css/css-view-transitions/pseudo-with-classes-match-wildcard-no-star.html b/testing/web-platform/tests/css/css-view-transitions/pseudo-with-classes-match-wildcard-no-star.html
new file mode 100644
index 0000000000..2dc7d00cd1
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/pseudo-with-classes-match-wildcard-no-star.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<title>View transition classes: selector should match with wildcard</title>
+<link rel="help" href="https://drafts.csswg.org/css-transitions-2/">
+<link rel="author" href="mailto:nrosenthal@chromium.org">
+<link rel="match" href="pseudo-with-classes-ref.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+
+<style>
+  div {
+    width: 100px;
+    height: 100px;
+    position: absolute;
+  }
+
+  #target {
+    background: green;
+    view-transition-name: target;
+    view-transition-class: cls;
+  }
+
+  ::view-transition-group(*) {
+    animation-duration: 1s;
+  }
+
+  ::view-transition-new(.cls),
+  ::view-transition-old(.cls) {
+    left: 100px;
+  }
+</style>
+<div id=target></div>
+
+<script>
+  failIfNot(document.startViewTransition, "Missing document.startViewTransition");
+
+  window.addEventListener("load", () => {
+    document.startViewTransition().ready.then(takeScreenshot);
+  });
+</script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/ready_resolves_after_dom_before_raf.html b/testing/web-platform/tests/css/css-view-transitions/ready_resolves_after_dom_before_raf.html
index adf3dc6c16..043d01c932 100644
--- a/testing/web-platform/tests/css/css-view-transitions/ready_resolves_after_dom_before_raf.html
+++ b/testing/web-platform/tests/css/css-view-transitions/ready_resolves_after_dom_before_raf.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: promise resolution ordering</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-captured-as-different-tag-ref.html b/testing/web-platform/tests/css/css-view-transitions/root-captured-as-different-tag-ref.html
index 92bd70f6f4..ca4705f818 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-captured-as-different-tag-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-captured-as-different-tag-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: capture root elements (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 .box {
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-captured-as-different-tag.html b/testing/web-platform/tests/css/css-view-transitions/root-captured-as-different-tag.html
index 4264db8169..a4d6f11ad4 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-captured-as-different-tag.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-captured-as-different-tag.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture root elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="old-content-captures-root-ref.html">
 <meta name="fuzzy" content="old-content-captures-root-ref.html:0-1;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-element-display-none-crash.html b/testing/web-platform/tests/css/css-view-transitions/root-element-display-none-crash.html
index fc55719c7e..d228be8581 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-element-display-none-crash.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-element-display-none-crash.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: html display none</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-element-display-none-during-transition-crash.html b/testing/web-platform/tests/css/css-view-transitions/root-element-display-none-during-transition-crash.html
index 19f4143aa6..b9c384d94a 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-element-display-none-during-transition-crash.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-element-display-none-during-transition-crash.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: entry animation from root display none</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-scrollbar-with-fixed-background-ref.html b/testing/web-platform/tests/css/css-view-transitions/root-scrollbar-with-fixed-background-ref.html
index a4010b5f2f..7b2a6103f3 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-scrollbar-with-fixed-background-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-scrollbar-with-fixed-background-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html >
 <title>View transitions: capture root element with scrollbar (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-scrollbar-with-fixed-background.html b/testing/web-platform/tests/css/css-view-transitions/root-scrollbar-with-fixed-background.html
index c657fa19fb..2fa0132727 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-scrollbar-with-fixed-background.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-scrollbar-with-fixed-background.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait style="background: lightblue;">
 <title>When the root element has scrollbars, these should be excluded in snapshot</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="root-scrollbar-with-fixed-background-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-style-change-during-animation-ref.html b/testing/web-platform/tests/css/css-view-transitions/root-style-change-during-animation-ref.html
index c180c384f4..33fbea0064 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-style-change-during-animation-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-style-change-during-animation-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: root element style changes during transition</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 #target {
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-style-change-during-animation.html b/testing/web-platform/tests/css/css-view-transitions/root-style-change-during-animation.html
index d1d291124b..0b8fb19946 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-style-change-during-animation.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-style-change-during-animation.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: root element style changes during transition</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="root-style-change-during-animation-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-end-ref.html b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-end-ref.html
index 24b50fa65e..d7d702e09a 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-end-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-end-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>Root to shared animation test (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-end.html b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-end.html
index 6ba07bd9e6..52a7d771ef 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-end.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-end.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="root-to-shared-animation-end-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-incoming-ref.html b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-incoming-ref.html
index 3075d2480c..df0ec1a9d8 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-incoming-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-incoming-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>Root to shared animation test (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-incoming.html b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-incoming.html
index 0620e911cf..adddf377c6 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-incoming.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-incoming.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="root-to-shared-animation-incoming-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-start-ref.html b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-start-ref.html
index d04ab3f767..8b777a2c8c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-start-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-start-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>Root to shared animation test (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-start.html b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-start.html
index 0a1cb9617e..e7e669539d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-start.html
+++ b/testing/web-platform/tests/css/css-view-transitions/root-to-shared-animation-start.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="root-to-shared-animation-start-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/rtl-with-scrollbar-ref.html b/testing/web-platform/tests/css/css-view-transitions/rtl-with-scrollbar-ref.html
index c429136a2d..dc9d6ae245 100644
--- a/testing/web-platform/tests/css/css-view-transitions/rtl-with-scrollbar-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/rtl-with-scrollbar-ref.html
@@ -2,7 +2,7 @@
 <html dir="rtl">
 <head>
   <title>Transition is correctly positioned on RTL page (ref)</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
 
   <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/rtl-with-scrollbar.html b/testing/web-platform/tests/css/css-view-transitions/rtl-with-scrollbar.html
index de2570605a..c8248b5d89 100644
--- a/testing/web-platform/tests/css/css-view-transitions/rtl-with-scrollbar.html
+++ b/testing/web-platform/tests/css/css-view-transitions/rtl-with-scrollbar.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html dir="rtl" class=reftest-wait>
 <title>Transition is correctly positioned on RTL page</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="rtl-with-scrollbar-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/set-universal-specificity-ref.html b/testing/web-platform/tests/css/css-view-transitions/set-universal-specificity-ref.html
index 4bf2164c7a..cce8d5eec3 100644
--- a/testing/web-platform/tests/css/css-view-transitions/set-universal-specificity-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/set-universal-specificity-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: universal specificity (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 body {
diff --git a/testing/web-platform/tests/css/css-view-transitions/set-universal-specificity.html b/testing/web-platform/tests/css/css-view-transitions/set-universal-specificity.html
index ec50b1e407..2e9e9c245c 100644
--- a/testing/web-platform/tests/css/css-view-transitions/set-universal-specificity.html
+++ b/testing/web-platform/tests/css/css-view-transitions/set-universal-specificity.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: universal specificity</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <link rel="match" href="set-universal-specificity-ref.html">
 <script src="/common/reftest-wait.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-absolute-ref.html b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-absolute-ref.html
index 3d307ce3c7..5f2e780c58 100644
--- a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-absolute-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-absolute-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: use snapshot containing block for absolute position (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-absolute.html b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-absolute.html
index ef986cd75c..4a619f29cc 100644
--- a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-absolute.html
+++ b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-absolute.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: use snapshot containing block for absolute position</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="snapshot-containing-block-absolute-ref.html">
 <meta name="fuzzy" content="snapshot-containing-block-absolute-ref.html:0-20;0-100">
diff --git a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter-ref.html b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter-ref.html
index 8a74bd2164..c219fb1edd 100644
--- a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: snapshot containing block includes scrollbar gutters (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 <style>
 :root {
diff --git a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter.html b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter.html
index 6e9bf568f6..8e47a056bd 100644
--- a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter.html
+++ b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: snapshot containing block includes scrollbar gutters</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="snapshot-containing-block-includes-scrollbar-gutter-ref.html">
 <meta name="fuzzy" content="snapshot-containing-block-includes-scrollbar-gutter-ref.html:0-20;0-100">
diff --git a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-static-ref.html b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-static-ref.html
index 8ed60934ca..0bff68efb2 100644
--- a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-static-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-static-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: use snapshot containing block for static position (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-static.html b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-static.html
index 5e03480c27..fc0c7033c9 100644
--- a/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-static.html
+++ b/testing/web-platform/tests/css/css-view-transitions/snapshot-containing-block-static.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: use snapshot containing block for static position</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 <link rel="match" href="snapshot-containing-block-static-ref.html">
 <meta name="fuzzy" content="snapshot-containing-block-static-ref.html:0-20;0-100">
diff --git a/testing/web-platform/tests/css/css-view-transitions/style-inheritance.html b/testing/web-platform/tests/css/css-view-transitions/style-inheritance.html
index d0cef9be63..ed4705c56d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/style-inheritance.html
+++ b/testing/web-platform/tests/css/css-view-transitions/style-inheritance.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: ensure correct style inheritance for pseudo tree</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/transition-in-empty-iframe-ref.html b/testing/web-platform/tests/css/css-view-transitions/transition-in-empty-iframe-ref.html
index 6747612285..29e4c32e5b 100644
--- a/testing/web-platform/tests/css/css-view-transitions/transition-in-empty-iframe-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/transition-in-empty-iframe-ref.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>View transitions: Transition from an empty iframe (ref)</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
   <style>
     iframe {
diff --git a/testing/web-platform/tests/css/css-view-transitions/transition-in-empty-iframe.html b/testing/web-platform/tests/css/css-view-transitions/transition-in-empty-iframe.html
index 869967a57e..7cd621fbfd 100644
--- a/testing/web-platform/tests/css/css-view-transitions/transition-in-empty-iframe.html
+++ b/testing/web-platform/tests/css/css-view-transitions/transition-in-empty-iframe.html
@@ -2,7 +2,7 @@
 <html class=reftest-wait>
 <head>
   <title>View transitions: Transition from an empty iframe</title>
-  <link rel="help" href="https://github.com/WICG/view-transitions">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
   <link rel="author" href="mailto:bokan@chromium.org">
   <link rel="match" href="transition-in-empty-iframe-ref.html">
   <meta name=fuzzy content="transition-in-empty-iframe-ref.html:0-80;0-1000">
diff --git a/testing/web-platform/tests/css/css-view-transitions/transition-in-hidden-page.html b/testing/web-platform/tests/css/css-view-transitions/transition-in-hidden-page.html
new file mode 100644
index 0000000000..f23d30f96c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/transition-in-hidden-page.html
@@ -0,0 +1,70 @@
+<!DOCTYPE html>
+<html>
+  <title>View transitions: Transition in a hidden page</title>
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
+  <meta name="timeout" content="long">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script src="/resources/testdriver.js"></script>
+  <script src="/resources/testdriver-vendor.js"></script>
+  <script src="/page-visibility/resources/window_state_context.js"></script>
+  <style>
+    ::view-transition-group(*) {
+      animation-duration: 5s;
+    }
+  </style>
+  <script>
+    promise_test(async t => {
+      assert_implements(document.startViewTransition, "Missing document.startViewTransition");
+
+      const wsc = window_state_context(t);
+      await wsc.minimize();
+      assert_true(document.hidden);
+      const transition = document.startViewTransition();
+      await wsc.restore();
+      await promise_rejects_dom(t, "InvalidStateError", transition.ready);
+    }, "A view transition should be immediately skipped if started when document is hidden");
+
+    promise_test(async t => {
+      assert_implements(document.startViewTransition, "Missing document.startViewTransition");
+
+      const wsc = window_state_context(t);
+      const transition = document.startViewTransition(async () => {
+        await wsc.minimize();
+      });
+
+      let event_fired = false;
+
+      window.addEventListener("visibilitychange", () => {
+        if (document.hidden)
+          event_fired = true;
+      });
+
+      // Restoring so that the document has an opportunity to present the real
+      // frame and start the transition's animation.
+      await wsc.restore();
+
+      const [readyResult] = await Promise.allSettled([transition.ready]);
+      assert_true(event_fired, "visibilitychange event should fire before skipping the transition");
+      await transition.finished;
+      assert_equals(readyResult.status, "rejected");
+    }, "A view transition should be skipped when a document becomes hidden while processing update callback");
+
+    promise_test(async t => {
+      assert_implements(document.startViewTransition, "Missing document.startViewTransition");
+      assert_false(document.hidden);
+      const wsc = window_state_context(t);
+      const transition = document.startViewTransition(() => { });
+      await transition.ready;
+      await new Promise(resolve => requestAnimationFrame(resolve));
+      await wsc.minimize();
+      const result = await new Promise(resolve => {
+        transition.finished.then(() => resolve("finished"));
+        t.step_timeout(() => resolve("timeout"), 1000);
+      });
+
+      assert_equals(result, "finished");
+    }, "A view transition should be skipped when a document becomes hidden while animating");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-view-transitions/update-callback-timeout.html b/testing/web-platform/tests/css/css-view-transitions/update-callback-timeout.html
new file mode 100644
index 0000000000..9e96e97e11
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/update-callback-timeout.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+  <title>View transitions: Transition has implementation-defined timeout.</title>
+  <link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
+  <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
+  <meta name="timeout" content="long">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script>
+    promise_test(async t => {
+      assert_implements(document.startViewTransition, "Missing document.startViewTransition");
+      const transition = document.startViewTransition(() => {
+        return new Promise(() => {});
+      });
+      transition.updateCallbackDone.then(() => {
+        assert_unreached();
+      });
+      transition.finished.then(() => {
+        assert_unreached();
+      });
+      await promise_rejects_dom(t, "TimeoutError", transition.ready);
+    }, "View transition should have an implementation-defined timeout on the update callback");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-view-transitions/view-transition-name-on-document-root-ref.html b/testing/web-platform/tests/css/css-view-transitions/view-transition-name-on-document-root-ref.html
index cc0250bc59..8b86e2a161 100644
--- a/testing/web-platform/tests/css/css-view-transitions/view-transition-name-on-document-root-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/view-transition-name-on-document-root-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: view-transition-name is limited to document root (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <head>
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/view-transition-name-on-document-root.html b/testing/web-platform/tests/css/css-view-transitions/view-transition-name-on-document-root.html
index afd5d56f61..a25b329b03 100644
--- a/testing/web-platform/tests/css/css-view-transitions/view-transition-name-on-document-root.html
+++ b/testing/web-platform/tests/css/css-view-transitions/view-transition-name-on-document-root.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: view-transition-name is limited to document root</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="view-transition-name-on-document-root-ref.html">
 <head>
diff --git a/testing/web-platform/tests/css/css-view-transitions/view-transition-name-removed-mid-transition-ref.html b/testing/web-platform/tests/css/css-view-transitions/view-transition-name-removed-mid-transition-ref.html
index 9ec14f60cd..e86fa3f3e2 100644
--- a/testing/web-platform/tests/css/css-view-transitions/view-transition-name-removed-mid-transition-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/view-transition-name-removed-mid-transition-ref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <title>View transitions: view-transition-name removed mid transition (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 
 <style>
diff --git a/testing/web-platform/tests/css/css-view-transitions/view-transition-name-removed-mid-transition.html b/testing/web-platform/tests/css/css-view-transitions/view-transition-name-removed-mid-transition.html
index b18df68511..265dc1fef0 100644
--- a/testing/web-platform/tests/css/css-view-transitions/view-transition-name-removed-mid-transition.html
+++ b/testing/web-platform/tests/css/css-view-transitions/view-transition-name-removed-mid-transition.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: view-transition-name removed mid transition</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="view-transition-name-removed-mid-transition-ref.html">
 
diff --git a/testing/web-platform/tests/css/css-view-transitions/web-animations-api-ref.html b/testing/web-platform/tests/css/css-view-transitions/web-animations-api-ref.html
index ab66e7d16d..d71d6e1375 100644
--- a/testing/web-platform/tests/css/css-view-transitions/web-animations-api-ref.html
+++ b/testing/web-platform/tests/css/css-view-transitions/web-animations-api-ref.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <title>View transitions: one element captured for two tags (ref)</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:vmpstr@chromium.org">
 <style>
 div {
diff --git a/testing/web-platform/tests/css/css-view-transitions/web-animations-api.html b/testing/web-platform/tests/css/css-view-transitions/web-animations-api.html
index 6d8395ebb7..c739e416c8 100644
--- a/testing/web-platform/tests/css/css-view-transitions/web-animations-api.html
+++ b/testing/web-platform/tests/css/css-view-transitions/web-animations-api.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class=reftest-wait>
 <title>View transitions: capture opacity elements</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:khushalsagar@chromium.org">
 <link rel="match" href="web-animations-api-ref.html">
 <meta name="fuzzy" content="web-animations-api-ref.html:0-2;0-500">
diff --git a/testing/web-platform/tests/css/css-view-transitions/window-resize-aborts-transition-before-ready.html b/testing/web-platform/tests/css/css-view-transitions/window-resize-aborts-transition-before-ready.html
index 6caadeba89..28abd8452d 100644
--- a/testing/web-platform/tests/css/css-view-transitions/window-resize-aborts-transition-before-ready.html
+++ b/testing/web-platform/tests/css/css-view-transitions/window-resize-aborts-transition-before-ready.html
@@ -2,7 +2,7 @@
 <title>
 View transitions: Resizing viewport before animating rejects the ready promise.
 </title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 
 <script src="/resources/testharness.js"></script>
diff --git a/testing/web-platform/tests/css/css-view-transitions/window-resize-aborts-transition.html b/testing/web-platform/tests/css/css-view-transitions/window-resize-aborts-transition.html
index e2424cad8c..fd83562316 100644
--- a/testing/web-platform/tests/css/css-view-transitions/window-resize-aborts-transition.html
+++ b/testing/web-platform/tests/css/css-view-transitions/window-resize-aborts-transition.html
@@ -2,7 +2,7 @@
 <html>
 <head>
 <title>View transitions: Resizing viewport skips the transition</title>
-<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
 <link rel="author" href="mailto:bokan@chromium.org">
 
 <script src="/common/rendering-utils.js"></script>
-- 
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