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Announcing Rust 1.99.0

LaunchProgramming Languages & Compilers

First reported · 23d ago · 1 source

Crest summary — written by AI from the 1 source below; every figure is checked against them · model deepseek-chat

Summary

The Rust team released Rust 1.99.0, a new version of the programming language. Users with an existing rustup installation can upgrade to it by running the rustup update stable command.

Key facts

  • Rust 1.99.0 was announced by the Rust team on 2026-10-01.
  • The release is a new version of the Rust programming language.
  • Existing rustup users can get 1.99.0 via rustup update stable.

Why it matters

Developers already using rustup can move to 1.99.0 with a single update command, so teams should plan to test and adopt the new version in their toolchains.

Technologies

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Original sources (1)

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  1. Rust BlogOfficial · Primary
    Announcing Rust 1.99.0 · By The Rust Release Team
    Read at Rust Blog
Announcing Rust 1.99.0 — Crest of Tech