· Xavier Geerinck
Bun 1.4.3 at Scrydon: Our Type-Check Gate Moves to bun check
Bun 1.4.3 shipped bun check, a TypeScript type checker ported from typescript-go, on 10 October. The same day we moved the type-check gate of Scrydon's monorepo onto it. Across 104 TypeScript projects it matched tsc byte for byte in 103. A cold check of the whole repository fell from 124.9 s to 51–68 s, peak memory fell by about a third, and an entire build phase disappeared. It does not beat tsc's incremental mode on a warm re-check, and one project stays on tsc until a bug is fixed.
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