Rust 1.98.0

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Rust·1 day ago · Aug 20, 2026, 06:05 PMFeatureMay break your integrationAI-assisted summary

Summary

Language: allow shortening lifetimes of &mut during unsize coercions and introduce new lints for invalid runtime symbols and c void return types.
Platform support: add powerpc64-unknown-linux-gnuelfv2 and aarch64-unknown-linux-pauthtest as Tier 3, and promote several thumb targets to Tier 2.
Libraries & APIs: stabilize many items (panic hook lifetime, LoongArch CRC intrinsics, derive macro, new std/core methods) and introduce compatibility changes that may break code (stricter repr, ambiguous import errors, etc.).

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