tracking issue: #126840

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Arti 2.5.0 is released and ready for download.

While discussing C++ overloading on Zulip, a bunch of us (re?)discovered a pretty cute idea, which I'm taking the liberty to flesh out here. This RFC comes from the realization that "we have named arguments at home" and "we have function overloading at…

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tracking issue: #154023
See also #t-compiler > representing `_Complex`. The RFC states that the Complex type should match the ABI of _Complex in C, but provides little det...

Why & how we rewrote Bun from Zig to Rust

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This commit removes/moves the tokens field from various AST node types, shrinking them. Details in individual commits.

Tracking:

Tracking issue for RFC 3527: Associated const underscore #158944

TODOs for myself:

reconsider the design of AssocItem(s)..?
add more tests

r? @ghost

The feature gate for the issue is #![feature(macroless_generic_const_args)]. Using it requires #![feature(min_generic_const_args)] to be enabled as well. Background On stable, there are two kinds o...

Explore this post and more from the rust community

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See rust-lang/compiler-team#
The first commit here adds an -Zpolonius=nll argument for tests and so people can disable alpha on nightly.

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Fixes #149745.
Following @jmillikin's suggestion, the builder logic now lives in the pre-existing non-generic methods taking &dyn fmt::Debug (where it used to exi...

ACP: None (happy to create one if requested!)
Tracking Issue: None
Feature Gate: core_time_instant
Background
Instant is currently provided by std as it has a platform specific internal representat...

The GNU Hurd project recently issued their Q2'2026 status report to outline recently development efforts

MCP: rust-lang/compiler-team#968

This commit is in preparation for eventual tier 2 status for the wasm32-wasip3 target. Initially this target will not have support for threads but it's expected to come ~later this year. Th...

其他人写rust：
unsafe {
…
}
日本人写rust：
不安です {
…
}

Proposal Problem statement The standard library has nearly no string manipulation that do not allocate (expect methods that give a substring like spit or trim families). This comes from the fact th...

Tracking issue: #159799
This PR allows declaring the attribute itself unsafe, rather than the impl:
#![feature(dropck_eyepatch)]

struct PerhapsLoosely<T>(T);

impl<#[unsafe(ma...

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The current definition is based on legacy cruft which no longer matter. Let's make it somewhat saner:

Outside Miri: be maximally accepting, use UnsafePinned and MaybeUni...