Windows Reactor is a UI library for Rust developers targeting WinUI 3 to deliver native, efficient Windows experiences.
Overview
windows-reactor brings a React-like component model to native Window...

Announcing stumpalo, an extremely fast bump allocator for rust, with chunk reuse and safe scoped stack support.

When a &Freeze reference is stored (with retag), emit !captures !{!"address", !"read_provenance"} metadata to indicate that it's UB to write thro...

Want to follow along with Rust development? Curious how you might get involved? Take a look!

Want to follow along with Rust development? Curious how you might get involved? Take a look!

r? @fee1-dead
follow-up to #148820
I needed to add some more rustc code because turns out I forgot to add tests to the previous PR which actually codegen while using comptime fns. Check builds neve...

This is similar to an earlier PR I made for Thread::into_raw: #143859.
When using AtomicPtr for synchronization it's incredibly useful when you've got a couple bits you can stuff me...

Previously, the soundness argument for the pin!() macro relied on very complicated conditions on what coercions are possible. As a result, it was not obvious whether the macro was sound or not, and...

Continuation of: #115362
Quote from the previous PR:

This PR adds resolution and AST lowering for where clauses on binders. The meaning for for<T> now becomes for<T: Sized&amp...

View all comments

This PR implements rust-lang/rfcs#3943: a MIR optimization pass that eliminates unnecessary copies. Since the new pass relies on the new MIR semantics from RFC 3943, it is gated ...

This is an alternative approach to rust-lang/all-hands-2026#73. Unlike #157590 this uses wasmi + wasm32-wasip1. The advantage of this that it allows us to unconditionally depend on support for wasm...

This PR proposes the complete removal of the unstable feature arbitrary_self_types_pointers.
1. Introduction
The arbitrary_self_types_pointers feature (tracked under the same issue as arbitrary_sel...

Tracking issue: #130703
This PR is a proposal to resolve all of the concerns around the random feature by removing the most controversial parts in a future-compatible fashion.
RandomSource
The main...

This is work in progress

tracking issue: #140829
reference PR: rust-lang/reference#2300
closes #140829
Summary
An extern "custom" fn is a function with a custom ABI is unknown to rust. Often these are low...

View all comments




ACP: rust-lang/libs-team#755
Tracking issue: #154046
Blocked on: #155625
Blocked on: #155849
Description
Moves as much of std::io into core::io and alloc::io as practically po...

That time I found a rustc bug

This is a tracking issue for cleaning up early/late bound lifetimes in the compiler, most notably impacting turbofish syntax (e.g. some_fn::<'static>()). See t-types/#133, as well as the ...

View all comments

The OS is great at growing the stack on demand. All we need do is reserve an upper limit of virtual memory. Modern host systems have terabytes of virtual memory available to the ...