------------------------------------------------------------------- Fri Oct 6 04:34:11 UTC 2023 - William Brown Version 1.73.0 (2023-10-05) ========================== Language -------- - [Uplift `clippy::fn_null_check` lint as `useless_ptr_null_checks`.](https://github.com/rust-lang/rust/pull/111717/) - [Make `noop_method_call` warn by default.](https://github.com/rust-lang/rust/pull/111916/) - [Support interpolated block for `try` and `async` in macros.](https://github.com/rust-lang/rust/pull/112953/) - [Make `unconditional_recursion` lint detect recursive drops.](https://github.com/rust-lang/rust/pull/113902/) - [Future compatibility warning for some impls being incorrectly considered not overlapping.](https://github.com/rust-lang/rust/pull/114023/) - [The `invalid_reference_casting` lint is now **deny-by-default** (instead of allow-by-default)](https://github.com/rust-lang/rust/pull/112431) Compiler -------- - [Write version information in a `.comment` section like GCC/Clang.](https://github.com/rust-lang/rust/pull/97550/) - [Add documentation on v0 symbol mangling.](https://github.com/rust-lang/rust/pull/97571/) - [Stabilize `extern "thiscall"` and `"thiscall-unwind"` ABIs.](https://github.com/rust-lang/rust/pull/114562/) - [Only check outlives goals on impl compared to trait.](https://github.com/rust-lang/rust/pull/109356/) - [Infer type in irrefutable slice patterns with fixed length as array.](https://github.com/rust-lang/rust/pull/113199/) - [Discard default auto trait impls if explicit ones exist.](https://github.com/rust-lang/rust/pull/113312/) - Add several new tier 3 targets: - [`aarch64-unknown-teeos`](https://github.com/rust-lang/rust/pull/113480/) - [`csky-unknown-linux-gnuabiv2`](https://github.com/rust-lang/rust/pull/113658/) - [`riscv64-linux-android`](https://github.com/rust-lang/rust/pull/112858/) - [`riscv64gc-unknown-hermit`](https://github.com/rust-lang/rust/pull/114004/) - [`x86_64-unikraft-linux-musl`](https://github.com/rust-lang/rust/pull/113411/) - [`x86_64-unknown-linux-ohos`](https://github.com/rust-lang/rust/pull/113061/) - [Add `wasm32-wasi-preview1-threads` as a tier 2 target.](https://github.com/rust-lang/rust/pull/112922/) Refer to Rust's [platform support page][platform-support-doc] for more information on Rust's tiered platform support. Libraries --------- - [Add `Read`, `Write` and `Seek` impls for `Arc`.](https://github.com/rust-lang/rust/pull/94748/) - [Merge functionality of `io::Sink` into `io::Empty`.](https://github.com/rust-lang/rust/pull/98154/) - [Implement `RefUnwindSafe` for `Backtrace`](https://github.com/rust-lang/rust/pull/100455/) - [Make `ExitStatus` implement `Default`](https://github.com/rust-lang/rust/pull/106425/) - [`impl SliceIndex for (Bound, Bound)`](https://github.com/rust-lang/rust/pull/111081/) - [Change default panic handler message format.](https://github.com/rust-lang/rust/pull/112849/) - [Cleaner `assert_eq!` & `assert_ne!` panic messages.](https://github.com/rust-lang/rust/pull/111071/) - [Correct the (deprecated) Android `stat` struct definitions.](https://github.com/rust-lang/rust/pull/113130/) Stabilized APIs --------------- - [Unsigned `{integer}::div_ceil`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.div_ceil) - [Unsigned `{integer}::next_multiple_of`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.next_multiple_of) - [Unsigned `{integer}::checked_next_multiple_of`](https://doc.rust-lang.org/stable/std/primitive.u32.html#method.checked_next_multiple_of) - [`std::ffi::FromBytesUntilNulError`](https://doc.rust-lang.org/stable/std/ffi/struct.FromBytesUntilNulError.html) - [`std::os::unix::fs::chown`](https://doc.rust-lang.org/stable/std/os/unix/fs/fn.chown.html) - [`std::os::unix::fs::fchown`](https://doc.rust-lang.org/stable/std/os/unix/fs/fn.fchown.html) - [`std::os::unix::fs::lchown`](https://doc.rust-lang.org/stable/std/os/unix/fs/fn.lchown.html) - [`LocalKey::>::get`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.get) - [`LocalKey::>::set`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.set) - [`LocalKey::>::take`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.take) - [`LocalKey::>::replace`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.replace) - [`LocalKey::>::with_borrow`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.with_borrow) - [`LocalKey::>::with_borrow_mut`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.with_borrow_mut) - [`LocalKey::>::set`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.set-1) - [`LocalKey::>::take`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.take-1) - [`LocalKey::>::replace`](https://doc.rust-lang.org/stable/std/thread/struct.LocalKey.html#method.replace-1) These APIs are now stable in const contexts: - [`rc::Weak::new`](https://doc.rust-lang.org/stable/alloc/rc/struct.Weak.html#method.new) - [`sync::Weak::new`](https://doc.rust-lang.org/stable/alloc/sync/struct.Weak.html#method.new) - [`NonNull::as_ref`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.as_ref) Cargo ----- - [Encode URL params correctly for `SourceId` in `Cargo.lock`.](https://github.com/rust-lang/cargo/pull/12280/) - [Bail out an error when using `cargo::` in custom build script.](https://github.com/rust-lang/cargo/pull/12332/) Misc ---- Compatibility Notes ------------------- - [Update the minimum external LLVM to 15.](https://github.com/rust-lang/rust/pull/114148/) - [Check for non-defining uses of return position `impl Trait`.](https://github.com/rust-lang/rust/pull/112842/)