Bun v1.3.5
Fixes 32 issues (addressing 25 π). 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
Also shipped Dec 17, 2025Bun in December 2025 β
Gemini 3 Flash Preview now available in AI Gateway
Googleβs Gemini 3 Flash Preview is now available through AI Gateway. You can call this model from Netlify Functions without configuring API keys; the AI Gateway provides the connection to Google for you.
Forms - Flows Auth0 Send Email Action
Weβre excited to announce that we added __Flows Auth0 Send Email Action__! This new feature allows you to send emails from Flows using the customized Email Provider at your Auth0 Tenant.
Discount Function support for rejecting discount codes
The Discount Function API now supports discount code rejection, allowing apps to conditionally reject discount codes with a custom message. With discount rejection for the Discount Function API, merchants can: Prevent double discounting on sale prices Manage fine-grained combinations of discount codes Disqualify certain products from discounts For more...
- MotherDuck MCP Server: Your favorite AI assistant can now talk directly to your data
- MotherDuck MCP Server: Your favorite AI assistant can now talk directly to your data. Connect Claude, ChatGPT, Cursor, or any MCP-compatible client to MotherDuck using the MotherDuck remote MCP Server at https://api.motherduck.com/mcp .
Added support for parallel tool calling, allowing models to request multiple tool invocations simultaneously...
Added support for parallel tool calling, allowing models to request multiple tool invocations simultaneously in a single response. This reduces latency when handling queries that require multiple independent operations. Learn more in our Tool Calling guide.
Prisma ORM 7.2.0 Released: CLI Improvements, Bug Fixes & Better Configs
Prisma ORM 7.2.0 includes CLI improvements such as the return of the --url flag, smarter initialization configurations for Node and Bun, and various bug fixes.
More from BunEvery Bun release β
Bun v1.3.4
Fixes 194 issues (addressing 412 π). 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
Bun is joining Anthropic
Bun has been acquired by Anthropic. Anthropic is betting on Bun as the infrastructure powering Claude Code, Claude Agent SDK, and future AI coding products & tools.
Bun v1.3.3
Fixes 95 issues (addressing 348 π). CompressionStream and DecompressionStream, Control .env and bunfig.toml loading in standalone executables, `retry` and `repeats` in `bun:test`, --no-env-file, SQLite 3.51.0, Upgraded to Zig 0.15.2, Bugfixes for bundler, bun install, Windows, Node.js compatibility, Web APIs, Bun.serve, networking, Bun.YAML...
Bun v1.3.6
Fixes 45 issues (addressing 125 π). 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 v1.3.2
Fixes 287 issues (addressing 324 π). Hoisted installs restored as default for backward compatibility. CPU profiling with --cpu-prof, faster installs for packages with post-install scripts, bun:test onTestFinished hook, ServerWebSocket subscriptions getter, Alpine 3.22 in Docker images, improved Git dependency resolution, bun list alias, and numerous bug...
Bun v1.3.7
Fixes 91 issues (addressing 243 π). 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 v1.3.8
Fixes 8 issues (addressing 6 π). 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.
Vercel now supports the Bun Runtime
Deploy and run your applications with Bun's fast JavaScript runtime on Vercel Functions, with full access to Bun APIs and improved performance