Bun 1.4 is now available in Vercel Functions
UpdateVerifiedAdded Sep 22, 2026
Vercel Functions now support the new Bun 1.4 release , a rewrite of Bun from Zig to Rust, with over 2,900 issues resolved, more than 1,500 additional Node.js compatibility tests passing, and new features and performance improvements.
Topics: Pricing, Performance
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