Bun v1.1.4

Fixes 40 bugs (addressing 84 👍 reactions). bun run --filter <workspace> <script> lets you run multiple workspace scripts in parallel. Reinstalls get up to 50% faster in bun install. Important reliability fixes to bun install. bun:sqlite supports using for resource cleanup and has a few bugfixes. Memory leak impacting Next.js Standalone & Web Streams is fixed. Node.js compatibility improvements to fs and child_process. Fix for 'Connection closed' in fetch(). A few bugfixes for Bundows.

Jarred Sumner · April 16, 2024

Bun v1.1.3

Fixes 5 bugs. bun install gets 50% faster on Windows. A bug that could cause bun install to hang in rare cases has been fixed. A bug where some errors in bun install would not produce a non-zero exit code has been fixed. A bug that could cause specific certain combinations of dependencies to fail to install has been fixed. A bug on Windows where CTRL + C on cmd.exe after exiting bun would not behave as expected has been fixed. A bug where missing permissions on Windows for reading a directory could lead to a crash has been fixed.

Jarred Sumner · April 8, 2024

Bun v1.1.2

Fixes 4 bugs (addressing 44 👍 reactions). EBUSY on Windows in vite dev, next dev, and saving bun.lockb has been fixed. Object cloning gets 6x faster. Bun Shell gets support for seq, yes, basename and dirname. A TypeScript parsing edgecase has been fixed. A bug causing 'unreachable code' errors has been fixed. fs.watch on Windows has been rewritten to improve performance and reliability.

Jarred Sumner · April 6, 2024

Bun v1.1.1

Fixes 20 bugs (addressing 60 👍). Add subshell and positional argument support to Bun Shell, fixing an issue with bun install + sharp on Windows. Printed source code in errors no longer fill up your terminal. Upgrades JavaScriptCore, which includes performance improvements to RegExp, typed arrays, String indexOf and String replace. Error objects and JIT'd function calls use less memory. Fixes several bugs with bun install on Windows. Fixes a bug with Bun.serve() on Windows. Fixes a TOML parser bug impacting escape sequences and windows paths in .toml files

Jarred Sumner · April 4, 2024

Bun 1.1

Bun now supports Windows!

Jarred Sumner & Dave Caruso & Ashcon Partovi & Dylan Conway & Meghan Denny & Georgijs Vilums & Ciro Spaciari · April 1, 2024

Bun v1.0.36

Fixes 13 bugs. Adds support for fs.openAsBlob and fs.opendir, fixes edgecase in bun install with multiple bin entries in package.json, fixes bun build --target bun encoding, fixes bug with process.stdin & process.stdout, fixes bug in http2, fixes bug with .env in bun run, fixes various Bun shell bugs and improves Node.js compatibility.

Ashcon Partovi · March 29, 2024

Bun v1.0.34

Fixes 7 bugs, bunx uses less memory, bun install gets faster on Docker & WSL, a conflicting devDependency hoisting bug is fixed, a cyclical CommonJS & ESM import crash is fixed, cross-mount fs.cp & fs.copyFile get 50% faster on Linux, and reliability improvements for bun install & bun's runtime

Ashcon Partovi · March 22, 2024

Bun v1.0.32

Fixes 13 bugs, including 3 I/O regressions from v1.0.31. Improves Node.js compatibility. 'ws' package can now send & receive ping/pong events. util.promisify'd setTimeout setInterval, setImmediate work now. FileHandle methods have been implemented

Jarred Sumner · March 17, 2024

Bun v1.0.33

Fixes 2 bugs, including a bug with the mv command in Bun Shell and an error in node:crypto when verifying signatures

Jarred Sumner · March 17, 2024

Bun v1.0.31

Fixes 54 bugs (addresses 113 👍 reactions), introduces bun --print, <stdin> | bun run -, bun add --trust, fetch() with Unix sockets, fixes macOS binary size regression, fixes high CPU usage bug in spawn() on older linux, adds util.styleText, Node.js compatibiltiy improvements, bun install bugfixes, and bunx bugfixes

Ashcon Partovi · March 14, 2024

Bun v1.0.30

Fixes 27 bugs (addressing 103 👍 reactions), fixes an 8x perf regression in Bun.serve(), adds a new --conditions flag to bun build and Bun's runtime, adds support for expect.assertions() and expect.hasAssertions() in Bun's test runner, fixes crashes and improves Node.js compatibility

Jarred Sumner · March 4, 2024

Bun v1.0.29

Fixes 8 bugs. Bun.stringWidth(a) is a ~6,756x faster drop-in replacement for the popular 'string-width' package. bunx checks for updates more frequently. Adds expect().toBeOneOf() in bun:test. Memory leak impacting Prisma is fixed. Shell now supports advanced redirects like '2>&1', '&>'. Reliability improvements to bunx, bun install, WebSocket client, and Bun Shell

Jarred Sumner · February 23, 2024

Bun v1.0.28

Fixes 6 bugs (addressing 26 👍 reactions). Fixes bugs impacting Prisma and Astro, 'events', 'readline', and 'http2'. Fixes a bug in Bun Shell involving stdin redirection and fixes bugs in bun:test with test.each and describe.only

Jarred Sumner · February 19, 2024

Bun v1.0.27

Fixes 72 bugs (addressing 192 👍 reactions), Bun Shell supports throwing on non-zero exit codes, stream Response bodies using async generators, improves reliability of fetch(), http2 client, Bun.Glob and Bun Shell. Fixes a regression with bun --watch on Linux. Improves Node.js compatibility

Jarred Sumner · February 17, 2024

Bun v1.0.26

Fixes 30 bugs (addressing 60 👍 reactions), adds support for multi-statement queries in bun:sqlite, makes bun --watch more reliable in longer-running sessions, Bun.FileSystemRouter now supports more than 64 routes, fixes a bug with expect().toStrictEqual(), fixes 2 bugs with error.stack, improves Node.js compatibility

Jarred Sumner · February 3, 2024

Bun v1.0.25

Fixes 4 bugs, adds vm.createScript. Fixes a crash in fs.readFile, a crash in Bun.file().text(), a crash in IPC, and a transpiler bug involving loose equals

Jarred Sumner · January 21, 2024

Bun v1.0.24

Fixes 9 bugs and adds Bun Shell, a fast cross-platform shell with seamless JavaScript interop. Fixes a socket timeout bug, a potential crash when socket closes, a Node.js compatibility issue with Hapi, a process.exit bug, and bun install binlinking bug, bun inspect regression, and bun:test expect().toContain bug

Jarred Sumner · January 20, 2024

The Bun Shell

The Bun Shell is a cross-platform shell that allows you to run shell scripts in JavaScript & TypeScript

Jarred Sumner · January 20, 2024

Bun v1.0.23

Fixes 40 bugs (addressing 194 👍 reactions). import & embed sqlite databases in Bun, Resource Management ('using' TC39 stage3) support, bundler improvements when building for Node.js, bugfix for peer dependency resolution, semver bugfix, 4% faster TCP on linux, Node.js compatibility improvements and more

Jarred Sumner · January 16, 2024

Bun v1.0.22

Fixes bun install issues on Vercel, adds performance.mark() APIs, adds child_process support for extra pipes, makes Buffer.concat 10% - 400% faster, adds toBeEmptyObject and toContainKeys matchers, fixes console.table width using emojis, and adds support for argv and execArgv options in worker_threads.

Ashcon Partovi · January 9, 2024

Bun v1.0.21

Fixes 33 bugs (addressing 80 👍 reactions). console.table() support. Bun.write, Bun.file, and bun:sqlite use less memory. Large file uploads with FormData use less memory. bun:sqlite error messages get more detailed. Memory leak in errors from node:fs fixed. Node.js compatibility improvements, and many crashes fixed

Jarred Sumner · January 2, 2024

Bun v1.0.20

Reduced memory usage for fs.readlink, fs.writeFile, fs.stat and HTMLRewriter. Fixes a regression where setTimeout caused high CPU usage on Linux. Bun.spawn shows how much CPU & memory the process used. HTMLRewriter.transform now supports strings and ArrayBuffer. fs.writeFile() and fs.readFile() now support hex & base64 encodings

Jarred Sumner · December 24, 2023

Bun v1.0.19

Fixes 26 bugs (addressing 92 👍 reactions). Use @types/bun instead of bun-types. Fixes --frozen-lockfile bug. bcrypt & argon2 packages now work. setTimeout & setInterval get 4x higher throughput. module mocks in bun:test resolve specifiers. Optimized spawnSync() for large stdio on Linux. Bun.peek() gets 90x faster, expect(map1).toEqual(map2) gets 100x faster. Bugfixes to NAPI, bun install, and Node.js compatibility improvements

Jarred Sumner · December 22, 2023

Bun v1.0.18

Fixes 27 bugs (addressing 28 👍 reactions). A hang impacting create-vite & create-next & stdin has been fixed. Lifecycle scripts reporting "node" or "node-gyp" not found has been fixed. expect().rejects works like Jest now, and more bug fixes

Jarred Sumner · December 14, 2023

Bun v1.0.17

Fixes 15 bugs (addressing 152 👍 reactions). bun install postinstall scripts run for top 500 packages, bunx supabase starts 30x faster than npx supabase, bunx esbuild starts 50x faster than npx esbuild and bugfixes to bun install

Jarred Sumner · December 12, 2023

Bun v1.0.16

Fixes 49 bugs (addressing 38 👍 reactions). Concurrent IO for Bun.file & Bun.write gets 3x faster and now supports Google Cloud Run & Vercel, Bun.write auto-creates the parent directory if it doesn't exist, expect.extend inside of preload works, napi_create_object gets 2.5x faster, bugfix for module resolution impacting Astro v4 and p-limit, console.log bugfixes

Jarred Sumner · December 10, 2023

Bun v1.0.15

Fixes 23 bugs (addressing 117 👍 reactions), tsc starts 2x faster, prettier 40% faster. Stable WebSocket client, syntax-highlighted errors, cleaner stack traces, add custom test matchers with expect.extend(), TensorFlow.js support, fs.readdir recursive is 40x faster than in Node, and more.

Ashcon Partovi · December 2, 2023

Bun v1.0.14

Introduces Bun.Glob - a fast glob matcher, fixes a race condition when extracting dependencies during bun install, improves TypeScript module resolution in node_modules, makes error messages easier to read, and more fixes.

Ashcon Partovi · November 22, 2023

Bun v1.0.13

Fixes 6 bugs (addressing 317 👍 reactions). 'http2' module & gRPC.js work now. Vite 5 & Rollup 4 work. Implements process.report.getReport(), improves support for ES5 'with' statements, fixes a regression in bun install, fixes a crash when printing exceptions, fixes a Bun.spawn bug, and fixes a peer dependencies bug

Jarred Sumner · November 18, 2023

Bun v1.0.12

Fixes 24 bugs, makes bun's CLI help menus easier to read, adds support for bun -e, bun --env-file, server.url, import.meta.env, expect.unreachable(), improves support for module mocks, allows importing builtin modules at bundle-time, and improves Node.js compatibility

Ashcon Partovi · November 16, 2023

Bun v1.0.11

Fixes 5 bugs, adds Bun.semver, fixes a bug in bun install and fixes bugs impacting astro and @google-cloud/storage

Jarred Sumner · November 8, 2023

Bun v1.0.10

Fixes 14 bugs (addressing 102 👍 reactions), node:http gets 14% faster, stability improvements to Bun for Linux ARM64, bun install bugfix, and node:http bugfixes

Jarred Sumner · November 7, 2023

Bun v1.0.9

Fixes a glibc symbol version error, illegal instruction error, a Bun.spawn bug, an edgecase with peer dependency installs, and a JSX transpiler bugfix

Jarred Sumner · November 5, 2023

Bun v1.0.8

Fixes 138 bugs (addressing 257 👍 reactions), makes require() use 30% less memory, adds module mocking to bun test, and improves reliability of bun install and Bun.spawn

Ashcon Partovi · November 2, 2023

Bun v1.0.7

Fixes 59 bugs (addressing 78 👍 reactions), support for optional peerDependencies, improvements to Node.js compatibility, and more stability for bun install.

Jarred Sumner · October 20, 2023

Bun v1.0.6

Fixes 3 bugs (addressing 85 👍 reactions), implements support for the 'overrides' & 'resolutions' fields in package.json and a regression impacting Docker usage with Bun

Jarred Sumner · October 11, 2023

Bun v1.0.5

Fixes 41 bugs + a memory leak in fetch(), KeyObject support in crypto module, import package-lock.json, install peer dependencies, bun pm migrate subcommand, bun install bugfixes, and toEqualIgnoringWhitespace matcher in bun:test

Ashcon Partovi · October 11, 2023

Bun v1.0.4

Bun v1.0.4 fixes 62 bugs, adds server.requestIP, supports virtual modules in runtime plugins, fixes many bun install bugs, and reduces memory consumption in Bun.serve()

Jarred Sumner · October 3, 2023

Bun v1.0.3

emitDecoratorMetadata, Nest.js support, better private registry support, bunx bugfix, console.log() depth 8 -> 2, silence .env loaded message, and many bugfixes

Colin McDonnell · September 22, 2023

Bun v1.0.2

Faster watch mode, bunx @latest bugfix, Bun uses V8's date parser, bugfixes to node:readline, node:dns, bun run, http streaming, transpiler, node:tty and more

Jarred Sumner · September 15, 2023

Bun v1.0.1

Named imports for .json & .toml files, bugfixes to bun install, node:path, Buffer. Support for NODE_TLS_REJECT_UNAUTHORIZED=0

Jarred Sumner · September 12, 2023

Bun 1.0

Bun is stable and ready for production.

Jarred Sumner & Ashcon Partovi & Colin McDonnell · September 8, 2023

Bun v0.8.1

Bun.serve() gets unix domain socket support, a performance regression has been fixed, and bugs in bun install, node:http and napi have been fixed

Jarred Sumner · August 26, 2023

Bun v0.8.0

Bun gets debugger support, fetch streaming, and bun update. ReadStream and WriteStream from node:tty are implemented, including raw mode on process.stdin. SvelteKit now works in Bun. Plus bug fixes and stability improvements.

Colin McDonnell · August 24, 2023

Bun v0.7.3

bun test gets code coverage reporting. bun test -t pattern lets you filter tests to run by regex pattern. Fixes a crash in bun:sqlite, node.js compatiblity improvements, and more.

Jarred Sumner · August 6, 2023

Bun v0.7.2

worker_threads, BroadcastChannel, diagnostics_channel, Node.js compatibility improvements, bun ., bugfixes and 2 memory leaks fixed

Jarred Sumner · August 3, 2023

Bun v0.7.1

Node.js compatibility improvements for Vite & frameworks. Better workspace support in bun installl & a bugfix for private registries. ES Modules load 30% faster. vite dev starts 90% faster on Linux. Transpiler bugfixes. fetch() file urls. MessagePort & MessageChannel.

Jarred Sumner · July 29, 2023

Bun v0.7.0

vite dev support, Workers, bun --smol, WebSocket.ping(), structuredClone(), serialize() and better Node.js compatibility

Jarred Sumner · July 21, 2023

Bun v0.6.14

Better support for Node.js process and lots of fixed bugs.

Ashcon Partovi · July 12, 2023

Bun v0.6.13

Mock Date, 10x faster base64 encoding, WebSocket client reliability improvements, support for postgres tls and nodemailer, and various bug fixes.

Ashcon Partovi · July 4, 2023

CommonJS is not going away

CommonJS is here to stay, and that's okay. Better tooling will solve today's developer experience issues.

Jarred Sumner · June 30, 2023

Bun v0.6.12

Sourcemapped stack traces at runtime, Node.js compatibility improvements, Bun.file(path).exists, minifier and bundler bugfixes

Jarred Sumner · June 30, 2023

Bun v0.6.10

Reduced memory usage, fs.watch(), better CommonJS support, improvements to bun test, bun install, and many bugfixes.

Ashcon Partovi · June 26, 2023

Bun v0.6.9

Memory usage reductions in Bun.serve(), bun install, module imports, and crypto hashing. Crash in CommonJS modules fixed, plus additional bugfixes.

Jarred Sumner · June 13, 2023

Bun v0.6.8

Password hashing, function mocking, debugging, and bug squashing

Colin McDonnell · June 9, 2023

Bun v0.6.7

Discord.js, Prisma, and Puppeteer support, faster node:crypto hashing, and lots of bug fixes

Jarred Sumner · June 2, 2023

Bun v0.6.6

Lots of improvements to bun test, including Github Actions support, bun test --only, test.if(), describe.skip(), and more matchers

Ashcon Partovi · May 31, 2023

JavaScript Macros in Bun

Call JavaScript functions at bundle-time and inline results into the AST

Jarred Sumner · May 31, 2023

Bun v0.6.5

Native CommonJS support, $npm_lifecycle_event, bugfix for Bun.serve() with streaming files, bugfix for Node.js createConnection and a bundler bugfix

Jarred Sumner · May 29, 2023

Bun v0.6.4

Up to 80% faster bun test, test timeouts, timezone support, bundler bugfixes, console.log() improvements, node:http bugfixes, and more

Ashcon Partovi · May 26, 2023

Bun v0.6.3

Introducing node:vm support, support for socket.io and mongodb, test.todo(), and many bug fixes for the bundler.

Ashcon Partovi · May 22, 2023

Bun v0.6.2

Up to 20% faster JSON.parse, 15% faster JSON.stringify, and Proxy gets faster. A couple bugfixes to the minifier and bundler

Jarred Sumner · May 17, 2023

The Bun Bundler

The Bun toolkit gets a new addition. Bun's fast native bundler is now in beta.

Jarred Sumner · May 16, 2023

Bun v0.6.0

A new JavaScript bundler, standalone executables, and lots of new features and improvements

Jarred Sumner · May 16, 2023

Bun v0.5.9

Introducing watch mode using bun --watch, tarball dependencies in bun install, and lots of bug fixes and compatibility improvements.

Ashcon Partovi · April 4, 2023

Bun v0.5.8

Introducing expect() snapshots in bun test, preloading modules using bun --preload, basic glob star support in bun install, improvements to Web & Node.js compatibility, lots of bug fixes, and a teaser of what's next.

Ashcon Partovi · March 18, 2023

Bun has docs now

Bun has docs now? Bun has docs now.

Colin McDonnell · February 24, 2023

Bun v0.5.7

Support for FormData and git dependencies, better setTimeout() compatibility, bun wiptest is now bun test, and better support on AWS Lambda and GitHub Actions.

Ashcon Partovi · February 24, 2023

Bun v0.5.6

Support for Bun.sleep, improved Docker support, and improvements to Node.js and npm compatibility

Ashcon Partovi · February 9, 2023

Bun v0.5.5

Improved compatibility for node:http, support for http.request() and stripe-node, and fixed various bugs.

Ashcon Partovi · February 2, 2023

Bun v0.5.2

MongoDB support, github: dependencies in bun install, faster Buffer, bun run for WebAssembly, express' body-parser package, and many bug fixes.

Jarred Sumner · January 31, 2023

Bun v0.5.1

Support for aliasing package.json dependencies, a better error message when a workspace is not found, and a few important bug fixes.

Jarred Sumner · January 19, 2023

Bun v0.5

Support for npm workspaces, DNS lookups, database drivers, and lots of improvements to bun install.

Ashcon Partovi · January 18, 2023

Bun v0.4

Introducing bunx. Install and run an executable from npm, 100x faster than npx.

Ashcon Partovi · December 23, 2022

Bun v0.3.0

Massive reduction in memory usage, faster text encoding, improved Jest compatibility, file-system routing, automatic package installs, and a lot more

Ashcon Partovi · December 7, 2022

Bun v0.2.2

Release notes for Bun v0.2.2

Jarred Sumner · October 27, 2022

Bun v0.2.1

Release notes for Bun v0.2.1

Jarred Sumner · October 19, 2022

Bun v0.2.0

Release notes for Bun v0.2.0

Jarred Sumner · October 13, 2022

Bun v0.1.12

Release notes for Bun v0.1.12

Jarred Sumner · September 18, 2022

Bun v0.1.11

Release notes for Bun v0.1.11

Jarred Sumner · September 7, 2022

Bun v0.1.10

Release notes for Bun v0.1.10

Jarred Sumner · August 19, 2022

Bun v0.1.9

Release notes for Bun v0.1.9

Jarred Sumner · August 18, 2022

Bun v0.1.8

Release notes for Bun v0.1.8

Jarred Sumner · August 11, 2022

Bun v0.1.7

Release notes for Bun v0.1.7

Jarred Sumner · August 6, 2022

Bun v0.1.6

Release notes for Bun v0.1.6

Jarred Sumner · August 1, 2022

Bun v0.1.5

Release notes for Bun v0.1.5

Jarred Sumner · July 23, 2022

Bun v0.1.4

Release notes for Bun v0.1.4

Jarred Sumner · July 13, 2022

Bun v0.1.3

Release notes for Bun v0.1.3

Jarred Sumner · July 11, 2022

Bun v0.1.2

Release notes for Bun v0.1.2

Jarred Sumner · July 7, 2022

Bun v0.1.1

Release notes for Bun v0.1.1

Jarred Sumner · July 5, 2022