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Rust’s 2024 Edition Changes: The "Small" Language Shifts That Break Builds

Edition tweaks (temporaries, lint hardening) can break builds. Fix warnings early and watch macros.

5 min read Updated 2025

Rust editions evolve gently but breakage can surface via lints and macro edge cases. Run clippy, fix future-compat warnings, and track release notes.

Lint severity over time

Warn → future-compat → hard error: stay ahead by fixing early.

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