Radar · Rust · Archive · Week 5 · Jan 27 – Feb 2, 2025

Rust 1.84.1

Worth knowingtooling

What changed: The Rust team released patch version 1.84.1, which includes a number of bug fixes and minor improvements.
Production impact: The source does not say.
Try it: Run rustc --version to confirm you are on 1.84.1.
Source: blog.rust-lang.org/2025/01/30/Rust-1.84.1/

Understand it, then run it

Rust 1.84.1 is a point release that fixes a handful of bugs that appeared in 1.84.0. The changes are all internal fixes, so the language syntax and standard library stay the same. If you update your toolchain with rustup update stable, you get these fixes automatically.

Run it now

Todayrust

// This program demonstrates that the language and standard library are unchanged
// in Rust 1.84.1. It simply prints a greeting.
fn main() {
    println!("Hello, Rust 1.84.1!");
}

What it printed when we ran it on Rust 1.98.1 (edition 2024)

Hello, Rust 1.84.1!

Run sends this program (for Solidity, the contract and its tests) to our own sandbox, where it is compiled and run once, with no network, and what it printed or the test report comes back here. Nothing is kept. Runs are counted per visitor for the day so everyone gets a turn; the details are on the legal page.

Written by gpt-oss-20b from the linked source · claims checked against the sources · archive, not individually reviewed