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Co-authored-by: Mark Rousskov <mark.simulacrum@gmail.com>
Co-authored-by: alexey semenyuk <alexsemenyuk88@gmail.com>
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Josh Stone 2025-03-30 15:45:44 -07:00 • committed by GitHub
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5
RELEASES.md
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@ -5,7 +5,7 @@ Version 1.86.0 (2025-04-03)
Language
--------
- [Stabilize the ability to upcast a trait object to one of its supertraits.](https://github.com/rust-lang/rust/pull/134367)
- [Stabilize upcasting trait objects to supertraits.](https://github.com/rust-lang/rust/pull/134367)
- [Allow safe functions to be marked with the `#[target_feature]` attribute.](https://github.com/rust-lang/rust/pull/134090)
- [The `missing_abi` lint now warns-by-default.](https://github.com/rust-lang/rust/pull/132397)
- Rust now lints about double negations, to catch cases that might have intended to be a prefix decrement operator (`--x`) as written in other languages. This was previously a clippy lint, `clippy::double_neg`, and is [now available directly in Rust as `double_negations`.](https://github.com/rust-lang/rust/pull/126604)
@ -104,8 +104,9 @@ Compatibility Notes
- [The `wasm_c_abi` future compatibility warning is now a hard error.](https://github.com/rust-lang/rust/pull/133951)
Users of `wasm-bindgen` should upgrade to at least version 0.2.89, otherwise compilation will fail.
- [Remove long-deprecated no-op attributes `#![no_start]` and `#![crate_id]`.](https://github.com/rust-lang/rust/pull/134300)
- The future incompatibility lint `cenum_impl_drop_cast` [has been made into a hard error.](https://github.com/rust-lang/rust/pull/135964) This means it is now an error to cast a field-less enum to an integer if the enum implements `Drop`.
- [The future incompatibility lint `cenum_impl_drop_cast` has been made into a hard error.](https://github.com/rust-lang/rust/pull/135964) This means it is now an error to cast a field-less enum to an integer if the enum implements `Drop`.
- [SSE2 is now required for "i686" 32-bit x86 hard-float targets; disabling it causes a warning that will become a hard error eventually.](https://github.com/rust-lang/rust/pull/137037)
To compile for pre-SSE2 32-bit x86, use a "i586" target instead.
<a id="1.86.0-Internal-Changes"></a>