Bun v1.3.9
Fixes 23 issues (addressing 13 ๐). Run multiple scripts in --parallel or --sequential. bun:test mock & spyOn get Symbol.dispose support. ESM bytecode compilation. Faster Bun.markdown. Faster RegExp, String.prototype.trim, String.prototype.startsWith.
Also shipped Feb 8, 2026Bun in February 2026 โ
truss 0.13.3
- feat: truss-transfer, add fast audio processor Include process EXITED event to mark deployment as failed [BT-15282] Add mirrors for Ubuntu base image feat(truss): show tunnel names as well feat(truss): tail mode does not attempts to refresh auth codes Add setuptools dependency Fix typo Release 0.13.3
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Bun v1.3.8
Fixes 8 issues (addressing 6 ๐). Bun.markdown is a builtin CommonMark-compliant Markdown parser written in Zig. Bun's bundler gets bun build --metafile-md to write LLM-friendly module graph metadata. Fixes a regression in 'npm install -g bun' on Windows.
Bun v1.3.7
Fixes 91 issues (addressing 243 ๐). 50% faster `Buffer.from(array)`, 35% faster async/await, 3x faster `array.flat()`, 90% faster `padStart`/`padEnd` via JSC upgrade. New: `Bun.JSON5`, `Bun.JSONL`, `Bun.wrapAnsi()` (33-88x faster than wrap-ansi npm), `--heap-prof-md`, `--cpu-prof-md`, `node:inspector` Profiler API, `replMode` for `Bun.Transpiler`.
Bun v1.3.10
Fixes 155 issues (addressing 642 ๐). New native REPL, --compile --target=browser for self-contained HTML, TC39 standard ES decorators, Windows ARM64 support, barrel import optimization, and a faster event loop.
Bun v1.3.6
Fixes 45 issues (addressing 125 ๐). Bun.Archive API for creating & extracting tarballs with gzip compression, Bun.JSONC for parsing JSON with comments, metafile & files options in Bun.build for bundle analysis and virtual files, Response.json() 3.5x faster, 15% faster async/await, 30% faster Promise.race, 20x faster Bun.hash.crc32, faster...
Bun v1.3.11
Fixes 105 issues (addressing 307 ๐). 4 MB smaller on Linux. x64 Bun.cron for OS-level cron jobs and expression parsing, Bun.sliceAnsi for ANSI/grapheme-aware string slicing, richer Bun.markdown list metadata; bun test --path-ignore-patterns; native Windows ARM64 .bin shim; dgram UDP fixed on macOS, fs.openSync numeric flags fixed on Windows (unbreaks...
Bun v1.3.5
Fixes 32 issues (addressing 25 ๐). Bun.Terminal API, compile-time feature flags, improved Bun.stringWidth accuracy, V8 C++ value type checking APIs, Content-Disposition support for S3 uploads, environment variable expansion in .npmrc quoted values, and numerous bug fixes & node.js compatibility improvements
Bun v1.3.12
Fixes 120 issues (addressing 219 ๐). Render Markdown in the terminal with bun ./file.md, Bun.WebView headless browser automation, in-process Bun.cron() scheduler, async stack traces for native errors, 2.3x faster URLPattern, 2x faster Bun.Glob.scan, cgroup-aware parallelism on Linux, and many bugfixes and Node.js compatibility improvements.
Bun v1.3.4
Fixes 194 issues (addressing 412 ๐). URLPattern API, Fake Timers for bun:test, Custom Proxy Headers in fetch(),console.log %j format, http.Agent connection pooling fix, Standalone executable config loading changes, SQLite 3.51.1, and numerous bugfixes for bun:test, Node.js compatibility, Windows, Web APIs, bun install, and more