Rust 1.85.0 is announced with the 2024 edition stabilized. It's a programming language for reliable and efficient software.

• To get 1.85.0 with rustup, use rustup update stable. Or get rustup from the website and check release notes.
• For testing future releases, update to beta or nightly channels and report bugs.

In 1.85.0 stable:

• Rust 2024 Edition:

  • Language changes like RPIT lifetime capture rules, if let temporary scope, etc.
  • Standard library changes like adding Future to prelude and changing iterator behavior.
  • Cargo changes like the resolver and table key names.
  • Rustdoc changes like combined tests and nested include!.
  • Rustfmt changes like style editions and various formatting fixes.
  • Migration instructions are in the guide. cargo fix can automate some changes.
• async closures: Support for async || {} returning futures and analogous traits. Examples show differences from regular closures.
• Hiding trait implementations from diagnostics: Use #[diagnostic::do_not_recommend] attribute.
• FromIterator and Extend for tuples: Extended to more tuple lengths.
• Updates to std::env::home_dir(): Deprecated function's behavior updated as a bug fix; subsequent release will remove deprecation.
• Stabilized APIs: Many APIs are now stable in const contexts.