- Adds bun link (npm‑link like symlinking), runtime require.resolve, and FFI toBuffer/toArrayBuffer support for native destructors.
- Performance boosts: fs.copyFileSync 2‑10× faster and other runtime improvements such as console.log showing TypedArray values and MessageEvent details.
- Numerous stability fixes including setInterval no longer keeping the process alive, better error logging for unhandled rejections and uncaught exceptions, WebSocket reliability, and many segfault and build‑issue bug fixes.