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Claude Code uses Bun written in Rust now
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Ordered by publication time. The first one is marked first; anything flagged near-identical shares almost the same wording, which usually means the same press release rather than separate reporting. That is a measurement — a SimHash distance of at most 10 on the headline and excerpt — not an accusation.
Claude Code uses Bun written in Rust now
In Rewriting Bun in Rust Jarred Sumner made the following claim: Claude Code v2.1.181 (released June 17th) and later use the Rust port of Bun. Startup got 10% faster on Linux but otherwise, barely anyone noticed. Boring is good. I decided to have a poke at my own Claude Code installation to see if…
simonwillison.net