- Introduced bun:ffi core module for fast native library calls via the C ABI.
- Added a global Buffer (partial) and performance boosts: 2× faster TextEncoder/TextDecoder, 17× faster Uint8Array.fill, and optimized TypedArray.from.
- Added HTTP server stop() method, Bun.Transpiler export replacement API, and BoringSSL-powered SHA hashing functions.