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Radar · Rust · Archive · Week 48 · Nov 24 – 30, 2025

Switching to Rust’s own mangling scheme on nightly

Worth knowingcompiler

What changed
The nightly compiler now uses Rust’s own mangling scheme instead of the legacy one.
Production impact
The source does not say.
Try it
Build a small crate on nightly and inspect the mangled names in the generated .o files.
Source
blog.rust-lang.org/2025/11/20/switching-to-v0-mangling-on-nightly/

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