From 0453fb5b1d9412032ccfb820f5749aa7fa21e04e Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Thu, 7 Dec 2023 18:31:35 -0800 Subject: [PATCH] Add release notes for 1.75.0 --- RELEASES.md | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) diff --git a/RELEASES.md b/RELEASES.md index 9eb8755dad99a..118e552222df6 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,128 @@ +Version 1.75.0 (2023-12-28) +========================== + + + +Language +-------- + +- [Stabilize `async fn` and return-position `impl Trait` in traits.](https://github.com/rust-lang/rust/pull/115822/) +- [Allow function pointer signatures containing `&mut T` in `const` contexts.](https://github.com/rust-lang/rust/pull/116015/) +- [Guarantee that `char` has the same size and alignment as `u32`.](https://github.com/rust-lang/rust/pull/116894/) +- [Document that the null pointer has the 0 address.](https://github.com/rust-lang/rust/pull/116988/) +- [Allow partially moved values in `match`.](https://github.com/rust-lang/rust/pull/103208/) +- [Add notes about non-compliant FP behavior on 32bit x86 targets.](https://github.com/rust-lang/rust/pull/113053/) +- [Stabilize ratified RISC-V target features.](https://github.com/rust-lang/rust/pull/116485/) + + + +Compiler +-------- + +- [Match usize/isize exhaustively with half-open ranges.](https://github.com/rust-lang/rust/pull/116692/) +- [Rework negative coherence to properly consider impls that only partly overlap.](https://github.com/rust-lang/rust/pull/112875/) +- [Bump `COINDUCTIVE_OVERLAP_IN_COHERENCE` to deny, and warn in dependencies.](https://github.com/rust-lang/rust/pull/116493/) +- [Consider alias bounds when computing liveness in NLL.](https://github.com/rust-lang/rust/pull/116733/) +- [Add the V (vector) extension to the `riscv64-linux-android` target spec.](https://github.com/rust-lang/rust/pull/116618/) +- Add several new tier 3 targets: + - [`csky-unknown-linux-gnuabiv2hf`](https://github.com/rust-lang/rust/pull/117049/) + - [`i586-unknown-netbsd`](https://github.com/rust-lang/rust/pull/117170/) + - [`mipsel-unknown-netbsd`](https://github.com/rust-lang/rust/pull/117356/) + +Refer to Rust's [platform support page][platform-support-doc] +for more information on Rust's tiered platform support. + + + +Libraries +--------- + +- [Override `Waker::clone_from` to avoid cloning `Waker`s unnecessarily.](https://github.com/rust-lang/rust/pull/96979/) +- [Implement `BufRead` for `VecDeque`.](https://github.com/rust-lang/rust/pull/110604/) +- [Implement `FusedIterator` for `DecodeUtf16` when the inner iterator does.](https://github.com/rust-lang/rust/pull/110729/) +- [Implement `Not, Bit{And,Or}{,Assign}` for IP addresses.](https://github.com/rust-lang/rust/pull/113747/) +- [Implement `Default` for `ExitCode`.](https://github.com/rust-lang/rust/pull/114589/) +- [Guarantee representation of None in NPO](https://github.com/rust-lang/rust/pull/115333/) +- [Don't panic in `::write`](https://github.com/rust-lang/rust/pull/115460/) +- [Document when atomic loads are guaranteed read-only.](https://github.com/rust-lang/rust/pull/115577/) +- [Broaden the consequences of recursive TLS initialization.](https://github.com/rust-lang/rust/pull/116172/) +- [Windows: Support sub-millisecond sleep.](https://github.com/rust-lang/rust/pull/116461/) +- [Fix generic bound of `str::SplitInclusive`'s `DoubleEndedIterator` impl](https://github.com/rust-lang/rust/pull/100806/) +- [Fix exit status / wait status on non-Unix `cfg(unix)` platforms.](https://github.com/rust-lang/rust/pull/115108/) + + + +Stabilized APIs +--------------- + +- [`Atomic*::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicUsize.html#method.from_ptr) +- [`FileTimes`](https://doc.rust-lang.org/stable/std/fs/struct.FileTimes.html) +- [`FileTimesExt`](https://doc.rust-lang.org/stable/std/os/windows/fs/trait.FileTimesExt.html) +- [`File::set_modified`](https://doc.rust-lang.org/stable/std/fs/struct.File.html#method.set_modified) +- [`File::set_times`](https://doc.rust-lang.org/stable/std/fs/struct.File.html#method.set_times) +- [`IpAddr::to_canonical`](https://doc.rust-lang.org/stable/core/net/enum.IpAddr.html#method.to_canonical) +- [`Ipv6Addr::to_canonical`](https://doc.rust-lang.org/stable/core/net/struct.Ipv6Addr.html#method.to_canonical) +- [`Option::as_slice`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.as_slice) +- [`Option::as_mut_slice`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.as_mut_slice) +- [`pointer::byte_add`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.byte_add) +- [`pointer::byte_offset`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.byte_offset) +- [`pointer::byte_offset_from`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.byte_offset_from) +- [`pointer::byte_sub`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.byte_sub) +- [`pointer::wrapping_byte_add`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.wrapping_byte_add) +- [`pointer::wrapping_byte_offset`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.wrapping_byte_offset) +- [`pointer::wrapping_byte_sub`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.wrapping_byte_sub) + +These APIs are now stable in const contexts: + +- [`Ipv6Addr::to_ipv4_mapped`](https://doc.rust-lang.org/stable/core/net/struct.Ipv6Addr.html#method.to_ipv4_mapped) +- [`MaybeUninit::assume_init_read`](https://doc.rust-lang.org/stable/core/mem/union.MaybeUninit.html#method.assume_init_read) +- [`MaybeUninit::zeroed`](https://doc.rust-lang.org/stable/core/mem/union.MaybeUninit.html#method.zeroed) +- [`mem::discriminant`](https://doc.rust-lang.org/stable/core/mem/fn.discriminant.html) +- [`mem::zeroed`](https://doc.rust-lang.org/stable/core/mem/fn.zeroed.html) + + + +Cargo +----- + +- [Add new packages to `[workspace.members]` automatically.](https://github.com/rust-lang/cargo/pull/12779/) +- [Allow version-less `Cargo.toml` manifests.](https://github.com/rust-lang/cargo/pull/12786/) +- [Make browser links out of HTML file paths.](https://github.com/rust-lang/cargo/pull/12889) + + + +Rustdoc +------- + +- [Accept less invalid Rust in rustdoc.](https://github.com/rust-lang/rust/pull/117450/) +- [Document lack of object safety on affected traits.](https://github.com/rust-lang/rust/pull/113241/) +- [Hide `#[repr(transparent)]` if it isn't part of the public ABI.](https://github.com/rust-lang/rust/pull/115439/) +- [Show enum discrimant if it is a C-like variant.](https://github.com/rust-lang/rust/pull/116142/) + + + +Compatibility Notes +------------------- + +- [FreeBSD targets now require at least version 12.](https://github.com/rust-lang/rust/pull/114521/) +- [Formally demote tier 2 MIPS targets to tier 3.](https://github.com/rust-lang/rust/pull/115238/) +- [Make misalignment a hard error in `const` contexts.](https://github.com/rust-lang/rust/pull/115524/) +- [Fix detecting references to packed unsized fields.](https://github.com/rust-lang/rust/pull/115583/) +- [Remove support for compiler plugins.](https://github.com/rust-lang/rust/pull/116412/) + + + +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. + +- [Optimize `librustc_driver.so` with BOLT.](https://github.com/rust-lang/rust/pull/116352/) +- [Enable parallel rustc front end in dev and nightly builds.](https://github.com/rust-lang/rust/pull/117435/) +- [Distribute `rustc-codegen-cratelift` as rustup component on the nightly channel.](https://github.com/rust-lang/rust/pull/81746/) + Version 1.74.0 (2023-11-16) ==========================