Announcing Rust 1.98.1
By BIOS Founding Team
A point release fixing a critical miscompilation regression introduced in 1.98.0, where rustc could generate a trait object vtable containing a null pointer instead of a valid function pointer.
Left unpatched, this could trigger undefined behavior in compiled programs, so users on 1.98.0 are advised to upgrade.
Full details: https://blog.rust-lang.org/2026/09/03/Rust-1.98.1/
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