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...
Also shipped Mar 18, 2026Bun in March 2026 โ
Cloudflare Fundamentals - SCIM provisioning for Authentik is now Generally Available
Cloudflare dashboard SCIM provisioning now supports Authentik โ as an identity provider, joining Okta and Microsoft Entra ID as explicitly supported providers. Customers can now sync users and group information from Authentik to Cloudflare, apply Permission Policies to those groups, and manage the lifecycle of users & groups directly from your Authentik...
Security Center - Real-time logo match preview
We are introducing Logo Match Preview , bringing the same pre-save visibility to visual assets that was previously only available for string-based queries. This update allows you to fine-tune your brand detection strategy before committing to a live monitor.
Google Domain parameter no longer available
Web Scraper API domain parameter for google sources is no longer available. To localize your searches, use the geo_location parameter. For more details, check our geo_location parameter structures here.
Cloudflare Fundamentals - SCIM audit logging Support
Cloudflare dashboard SCIM provisioning operations are now captured in Audit Logs v2 , giving you visibility into user and group changes made by your identity provider.
Rules - Worker execution timing field now available in Rules
The cf.timings.worker_msec field is now available in the Ruleset Engine. This field reports the wall-clock time that a Cloudflare Worker spent handling a request, measured in milliseconds.
Stream - Media Transformations binding for Workers
You can now use a Workers binding to transform videos with Media Transformations. This allows you to resize, crop, extract frames, and extract audio from videos stored anywhere, even in private locations like R2 buckets.
More from BunEvery Bun release โ
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 v1.3.12
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 v1.3.13
Fixes 82 issues (addressing 381 ๐). bun test --parallel, --isolate, --shard, and --changed, bun install streams tarballs to disk using 17x less memory, source maps use 8x less memory, 5.5x faster gzip with zlib-ng, Range request support in Bun.serve(), SHA3 in node:crypto and WebCrypto, ws+unix:// WebSocket client, and many bugfixes and Node.js...
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.
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 v1.3.14
Fixes 92 issues (addressing 380 ๐). Bun.Image , a built-in image processing API, 7x faster warm installs with the isolated linker's global store, experimental HTTP/2 and HTTP/3 clients for fetch(), HTTP/3 (QUIC) in Bun.serve(), rewritten fs.watch() on Linux and macOS, --no-orphans CLI flag, process.execve(), Bun.Terminal on Windows via ConPTY, FreeBSD and...
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...