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@@ -1,3 +1,94 @@
+Version 1.66.0 (2022-12-15)
+==========================
+
+Language
+--------
+- [Permit specifying explicit discriminants on all `repr(Int)` enums](https://github.com/rust-lang/rust/pull/95710/)
+ ```rust
+ #[repr(u8)]
+ enum Foo {
+ A(u8) = 0,
+ B(i8) = 1,
+ C(bool) = 42,
+ }
+ ```
+- [Allow transmutes between the same type differing only in lifetimes](https://github.com/rust-lang/rust/pull/101520/)
+- [Change constant evaluation errors from a deny-by-default lint to a hard error](https://github.com/rust-lang/rust/pull/102091/)
+- [Trigger `must_use` on `impl Trait` for supertraits](https://github.com/rust-lang/rust/pull/102287/)
+ This makes `impl ExactSizeIterator` respect the existing `#[must_use]` annotation on `Iterator`.
+- [Allow `..X` and `..=X` in patterns](https://github.com/rust-lang/rust/pull/102275/)
+- [Uplift `clippy::for_loops_over_fallibles` lint into rustc](https://github.com/rust-lang/rust/pull/99696/)
+- [Stabilize `sym` operands in inline assembly](https://github.com/rust-lang/rust/pull/103168/)
+- [Update to Unicode 15](https://github.com/rust-lang/rust/pull/101912/)
+- [Opaque types no longer imply lifetime bounds](https://github.com/rust-lang/rust/pull/95474/)
+ This is a soundness fix which may break code that was erroneously relying on this behavior.
+
+Compiler
+--------
+- [Add armv5te-none-eabi and thumbv5te-none-eabi tier 3 targets](https://github.com/rust-lang/rust/pull/101329/)
+ - Refer to Rust's [platform support page][platform-support-doc] for more
+ information on Rust's tiered platform support.
+- [Add support for linking against macOS universal libraries](https://github.com/rust-lang/rust/pull/98736)
+
+Libraries
+---------
+- [Fix `#[derive(Default)]` on a generic `#[default]` enum adding unnecessary `Default` bounds](https://github.com/rust-lang/rust/pull/101040/)
+- [Update to Unicode 15](https://github.com/rust-lang/rust/pull/101821/)
+
+Stabilized APIs
+---------------
+
+- [`proc_macro::Span::source_text`](https://doc.rust-lang.org/stable/proc_macro/struct.Span.html#method.source_text)
+- [`uX::{checked_add_signed, overflowing_add_signed, saturating_add_signed, wrapping_add_signed}`](https://doc.rust-lang.org/stable/std/primitive.u8.html#method.checked_add_signed)
+- [`iX::{checked_add_unsigned, overflowing_add_unsigned, saturating_add_unsigned, wrapping_add_unsigned}`](https://doc.rust-lang.org/stable/std/primitive.i8.html#method.checked_add_unsigned)
+- [`iX::{checked_sub_unsigned, overflowing_sub_unsigned, saturating_sub_unsigned, wrapping_sub_unsigned}`](https://doc.rust-lang.org/stable/std/primitive.i8.html#method.checked_sub_unsigned)
+- [`BTreeSet::{first, last, pop_first, pop_last}`](https://doc.rust-lang.org/stable/std/collections/struct.BTreeSet.html#method.first)
+- [`BTreeMap::{first_key_value, last_key_value, first_entry, last_entry, pop_first, pop_last}`](https://doc.rust-lang.org/stable/std/collections/struct.BTreeMap.html#method.first_key_value)
+- [Add `AsFd` implementations for stdio lock types on WASI.](https://github.com/rust-lang/rust/pull/101768/)
+- [`impl TryFrom<Vec<T>> for Box<[T; N]>`](https://doc.rust-lang.org/stable/std/boxed/struct.Box.html#impl-TryFrom%3CVec%3CT%2C%20Global%3E%3E-for-Box%3C%5BT%3B%20N%5D%2C%20Global%3E)
+- [`core::hint::black_box`](https://doc.rust-lang.org/stable/std/hint/fn.black_box.html)
+- [`Duration::try_from_secs_{f32,f64}`](https://doc.rust-lang.org/stable/std/time/struct.Duration.html#method.try_from_secs_f32)
+- [`Option::unzip`](https://doc.rust-lang.org/stable/std/option/enum.Option.html#method.unzip)
+- [`std::os::fd`](https://doc.rust-lang.org/stable/std/os/fd/index.html)
+
+
+Rustdoc
+-------
+
+- [Add Rustdoc warning for invalid HTML tags in the documentation](https://github.com/rust-lang/rust/pull/101720/)
+
+Cargo
+-----
+
+- [Added `cargo remove` to remove dependencies from Cargo.toml](https://doc.rust-lang.org/nightly/cargo/commands/cargo-remove.html)
+- [`cargo publish` now waits for the new version to be downloadable before exiting](https://github.com/rust-lang/cargo/pull/11062)
+
+See [detailed release notes](https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md#cargo-166-2022-12-15) for more.
+
+Compatibility Notes
+-------------------
+
+- [Only apply `ProceduralMasquerade` hack to older versions of `rental`](https://github.com/rust-lang/rust/pull/94063/)
+- [Don't export `__heap_base` and `__data_end` on wasm32-wasi.](https://github.com/rust-lang/rust/pull/102385/)
+- [Don't export `__wasm_init_memory` on WebAssembly.](https://github.com/rust-lang/rust/pull/102426/)
+- [Only export `__tls_*` on wasm32-unknown-unknown.](https://github.com/rust-lang/rust/pull/102440/)
+- [Don't link to `libresolv` in libstd on Darwin](https://github.com/rust-lang/rust/pull/102766/)
+- [Update libstd's libc to 0.2.135 (to make `libstd` no longer pull in `libiconv.dylib` on Darwin)](https://github.com/rust-lang/rust/pull/103277/)
+- [Opaque types no longer imply lifetime bounds](https://github.com/rust-lang/rust/pull/95474/)
+ This is a soundness fix which may break code that was erroneously relying on this behavior.
+- [Make `order_dependent_trait_objects` show up in future-breakage reports](https://github.com/rust-lang/rust/pull/102635/)
+- [Change std::process::Command spawning to default to inheriting the parent's signal mask](https://github.com/rust-lang/rust/pull/101077/)
+
+Internal Changes
+----------------
+
+These changes do not affect any public interfaces of Rust, but they represent
+significant improvements to the performance or internals of rustc and related
+tools.
+
+- [Enable BOLT for LLVM compilation](https://github.com/rust-lang/rust/pull/94381/)
+- [Enable LTO for rustc_driver.so](https://github.com/rust-lang/rust/pull/101403/)
+
Version 1.65.0 (2022-11-03)
==========================
@@ -6,7 +97,7 @@ Language
- [Error on `as` casts of enums with `#[non_exhaustive]` variants](https://github.com/rust-lang/rust/pull/92744/)
- [Stabilize `let else`](https://github.com/rust-lang/rust/pull/93628/)
- [Stabilize generic associated types (GATs)](https://github.com/rust-lang/rust/pull/96709/)
-- [Add lints `let_underscore_drop`, `let_underscore_lock`, and `let_underscore_must_use` from Clippy](https://github.com/rust-lang/rust/pull/97739/)
+- [Add lints `let_underscore_drop` and `let_underscore_lock` from Clippy](https://github.com/rust-lang/rust/pull/97739/)
- [Stabilize `break`ing from arbitrary labeled blocks ("label-break-value")](https://github.com/rust-lang/rust/pull/99332/)
- [Uninitialized integers, floats, and raw pointers are now considered immediate UB](https://github.com/rust-lang/rust/pull/98919/).
Usage of `MaybeUninit` is the correct way to work with uninitialized memory.
@@ -87,6 +178,9 @@ Compatibility Notes
This strengthens the forward compatibility lint deprecated_cfg_attr_crate_type_name to deny.
- [`llvm-has-rust-patches` allows setting the build system to treat the LLVM as having Rust-specific patches](https://github.com/rust-lang/rust/pull/101072)
This option may need to be set for distributions that are building Rust with a patched LLVM via `llvm-config`, not the built-in LLVM.
+- Combining three or more languages (e.g. Objective C, C++ and Rust) into one binary may hit linker limitations when using `lld`. For more information, see [issue 102754][102754].
+
+[102754]: https://github.com/rust-lang/rust/issues/102754
Internal Changes
----------------