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Radar · Rust · Archive · Week 11 · Mar 10 – 16, 2025

RFC: Demote i686‑pc‑windows‑gnu to Tier 2

Worth knowingtooling

What changed
The Rust team demoted the i686‑pc‑windows‑gnu target from Tier 1 to Tier 2.
Production impact
The source does not say.
Try it
Check the target list in rustup target list to see the new tier.
Source
github.com/rust-lang/rfcs/pull/3771

Understand it, then run it

The target i686-pc-windows-gnu is a 32‑bit Windows build that uses the GNU toolchain. It was previously classified as a Tier 1 target, meaning it receives the same level of maintenance and testing as the most popular platforms. The change moves it to Tier 2, which is a lower priority for maintenance. This means that if you build for this target you may see fewer updates and less support compared to other Tier 1 targets.

Run it now

Todayrust
// This program simply prints a message indicating the target tier status.
// It runs on Rust 1.98.1 (edition 2024) and does not rely on any new API.
fn main() {
    println!("i686-pc-windows-gnu is now Tier 2");
}

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

i686-pc-windows-gnu is now Tier 2

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