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diff --git a/RELEASES.md b/RELEASES.md index 0965e37574d..8c6528fa8b4 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,123 @@ +Version 1.61.0 (2022-05-19) +========================== + +Language +-------- + +- [`const fn` signatures can now include generic trait bounds][93827] +- [`const fn` signatures can now use `impl Trait` in argument and return position][93827] +- [Function pointers can now be created, cast, and passed around in a `const fn`][93827] +- [Recursive calls can now set the value of a function's opaque `impl Trait` return type][94081] + +Compiler +-------- + +- [Linking modifier syntax in `#[link]` attributes and on the command line, as well as the `whole-archive` modifier specifically, are now supported][93901] +- [Update to LLVM 14.0.0][95247] +- [The `char` type is now described as UTF-8 (`DW_ATE_UTF`) in DWARF debuginfo][89887] +- The [`#[target_feature]`][target_feature] attribute [can now be used with aarch64 features][90621] +- [`#[target_feature = "adx"]` is now stable][93745] +- [Catching a second unwind from FFI code while cleaning up from a Rust panic now causes the process to abort][92911] + +Libraries +--------- + +- [`ManuallyDrop<T>` is now documented to have the same layout as `T`][88375] +- [Windows paths longer than 260 chars are now supported in `process::Command` without needing explicit canonoicalization][92519] +- [`#[ignore = "…"]` messages are printed when running tests][92714] +- [Consistently present absent stdio handles on Windows as NULL handles][93263] +- [Make `std::io::stdio::lock()` return `'static` handles][93965] +- [`Vec::from_raw_parts` is now less restrictive about its inputs][95016] +- [Use cgroup quotas for calculating `available_parallelism` on Linux][92697] + +Stabilized APIs +--------------- + +- [`From<&[T; N]>` for `Vec<T>`][95098] +- [`From<&mut [T; N]>` for `Vec<T>`][95098] +- [`Pin::static_mut`][93580] +- [`Pin::static_ref`][93580] +- [`Vec::retain_mut`][95491] +- [`VecDeque::retain_mut`][95491] +- [`Write` for `Cursor<[u8; N]>`][92663] +- [`std::os::unix::net::SocketAddr::from_pathname`][94356] +- [`std::process::ExitCode`][93840] +- [`std::process::Termination`][93840] +- [`std::thread::JoinHandle::is_finished`][95130] + +These APIs are now usable in const contexts: + +- [`*const T::offset` and `*mut T::offset`][93957] +- [`*const T::wrapping_offset` and `*mut T::wrapping_offset`][93957] +- [`*const T::add` and `*mut T::add`][93957] +- [`*const T::sub` and `*mut T::sub`][93957] +- [`*const T::wrapping_add` and `*mut T::wrapping_add`][93957] +- [`*const T::wrapping_sub` and `*mut T::wrapping_sub`][93957] +- [`[T]::as_mut_ptr`][93957] +- [`[T]::as_ptr_range`][93957] +- [`[T]::as_mut_ptr_range`][93957] + +Cargo +----- + +No feature changes, but see compatibility notes. + +Compatibility Notes +------------------- + +- [Disable `#[thread_local]` support on i686-pc-windows-msvc][95430] +- [Proc macros no longer see `ident` matchers wrapped in groups][92472] +- [The number of `#` in `r#` raw string literals is now required to be less than 256][95251] +- [When checking that a dyn type satisfies a trait bound, supertrait bounds are now enforced][92285] +- [`cargo vendor` now only accepts one value for each `--sync` flag][cargo/10448] +- [`cfg` predicates in `all()` and `any()` are always evaluated to detect errors, instead of short-circuiting][94295] +- [bootstrap: static-libstdcpp is now enabled by default, and can now be disabled when llvm-tools is enabled][94832] + +Internal Changes +---------------- + +These changes provide no direct user facing benefits, but represent significant +improvements to the internals and overall performance of rustc +and related tools. + +- [debuginfo: Refactor debuginfo generation for types][94261] +- [Remove the everybody loops pass][93913] + +[88375]: https://github.com/rust-lang/rust/pull/88375/ +[89887]: https://github.com/rust-lang/rust/pull/89887/ +[90621]: https://github.com/rust-lang/rust/pull/90621/ +[92285]: https://github.com/rust-lang/rust/pull/92285/ +[92472]: https://github.com/rust-lang/rust/pull/92472/ +[92519]: https://github.com/rust-lang/rust/pull/92519/ +[92663]: https://github.com/rust-lang/rust/pull/92663/ +[92697]: https://github.com/rust-lang/rust/pull/92697/ +[92714]: https://github.com/rust-lang/rust/pull/92714/ +[92911]: https://github.com/rust-lang/rust/pull/92911/ +[93263]: https://github.com/rust-lang/rust/pull/93263/ +[93580]: https://github.com/rust-lang/rust/pull/93580/ +[93745]: https://github.com/rust-lang/rust/pull/93745/ +[93827]: https://github.com/rust-lang/rust/pull/93827/ +[93840]: https://github.com/rust-lang/rust/pull/93840/ +[93901]: https://github.com/rust-lang/rust/pull/93901/ +[93913]: https://github.com/rust-lang/rust/pull/93913/ +[93957]: https://github.com/rust-lang/rust/pull/93957/ +[93965]: https://github.com/rust-lang/rust/pull/93965/ +[94081]: https://github.com/rust-lang/rust/pull/94081/ +[94261]: https://github.com/rust-lang/rust/pull/94261/ +[94295]: https://github.com/rust-lang/rust/pull/94295/ +[94356]: https://github.com/rust-lang/rust/pull/94356/ +[94832]: https://github.com/rust-lang/rust/pull/94832/ +[95016]: https://github.com/rust-lang/rust/pull/95016/ +[95098]: https://github.com/rust-lang/rust/pull/95098/ +[95130]: https://github.com/rust-lang/rust/pull/95130/ +[95247]: https://github.com/rust-lang/rust/pull/95247/ +[95251]: https://github.com/rust-lang/rust/pull/95251/ +[95430]: https://github.com/rust-lang/rust/pull/95430/ +[95491]: https://github.com/rust-lang/rust/pull/95491/ +[cargo/10448]: https://github.com/rust-lang/cargo/pull/10448/ +[target_feature]: https://doc.rust-lang.org/reference/attributes/codegen.html#the-target_feature-attribute + + Version 1.60.0 (2022-04-07) ========================== |