AnalysisDevelopersJuly 19, 2026

Claude Code v2.1.181 adopts Rust port of Bun

Claude Code v2.1.181 (released June 17th) uses the Rust port of Bun, with startup 10% faster on Linux. The switch was described as "boring is good" and went mostly unnoticed by users.

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Claude Code v2.1.181 adopts Rust port of Bun — AIBriefs