To install Bun v1.0.3: ```bash curl https://bun.sh/install | bash

or you can use npm

npm install -g bun

To upgrade to Bun v1.0.3:
```bash
bun upgrade

Read Bun v1.0.3's release notes on Bun's blog

What's Changed

• VSCode Extension Bunlock Syntax-Highlighting and Docs Improvements by @JeremyFunk in https://github.com/oven-sh/bun/pull/4652
• docs(runtime): fix some typo. by @zongzi531 in https://github.com/oven-sh/bun/pull/5451
• Update development.md by @sonyarianto in https://github.com/oven-sh/bun/pull/5531
• fix(corking) uncork if needed by @cirospaciari in https://github.com/oven-sh/bun/pull/5525
• fix(request) handle undefined/null/empty signal on request by @cirospaciari in https://github.com/oven-sh/bun/pull/5503
• fix(bundler): Add a space before minified require by @davidmhewitt in https://github.com/oven-sh/bun/pull/5521
• fix(node/fs.watch): Check first char before trimming event filenames by @davidmhewitt in https://github.com/oven-sh/bun/pull/5505
• webkit upgrade by @dylan-conway in https://github.com/oven-sh/bun/pull/5535
• Follow-up for workspace docs #5379 and #5229 by @bdenham in https://github.com/oven-sh/bun/pull/5555
• fix: ArrayBufferConstructor type signature by @52 in https://github.com/oven-sh/bun/pull/5579
• fix: array-buffer.test-d.ts test by @52 in https://github.com/oven-sh/bun/pull/5580
• fix: node compatibility with empty path string (stat, exist, ...) by @coratgerl in https://github.com/oven-sh/bun/pull/4693
• Make error message when importing a node: module in a browser bundle clearer by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5603
• docs: fix typo in lockflie nav by @Vilsol in https://github.com/oven-sh/bun/pull/5576
• Docs: path aliases fix by @e253 in https://github.com/oven-sh/bun/pull/5593
• fix(fetch) handle 100 continue by @cirospaciari in https://github.com/oven-sh/bun/pull/5496
• feat(encoding): TextDecoder support undefined by @WingLim in https://github.com/oven-sh/bun/pull/5387
• fix(child_process) unref next tick so exit/close event can be fired before application exits by @cirospaciari in https://github.com/oven-sh/bun/pull/5481
• Implement VSCode tasks for bun by @JeremyFunk in https://github.com/oven-sh/bun/pull/5529
• fix(install): Return NotSupported when errno == XDEV by @pan93412 in https://github.com/oven-sh/bun/pull/5610
• Fix ZLS commit hash in the document by @shinichy in https://github.com/oven-sh/bun/pull/5510
• Added .DS_Store to gitignore-for-init by @Cilooth in https://github.com/oven-sh/bun/pull/5628
• Workaround #5604 by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5615
• Fix a TypeError in the documentation by @LapsTimeOFF in https://github.com/oven-sh/bun/pull/5626
• Add a way to disable the GC timer by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5656
• Remove hardcoded references to zig in Makefile by @xbjfk in https://github.com/oven-sh/bun/pull/5660
• feat(console.log): Print anonymous when class name is unknown by @JibranKalia in https://github.com/oven-sh/bun/pull/5595
• feat(test): Implement arrayContaining by @WingLim in https://github.com/oven-sh/bun/pull/5572
• In bun:sqlite, make sure we set the number tag correctly when creating the JSValue by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5655
• fix(config): support for registry url without trailing slash by @Hanaasagi in https://github.com/oven-sh/bun/pull/5662
• fix(docs): update formatting by @rauny-brandao in https://github.com/oven-sh/bun/pull/5685
• docs: add missing options from bun init by @jumoog in https://github.com/oven-sh/bun/pull/5638
• change circles for color-blinds by @Hamcker in https://github.com/oven-sh/bun/pull/5594
• Fix HTTP listen behavior being non-compliant with node by @paperdave in https://github.com/oven-sh/bun/pull/5689
• feat(runtime): Implement console.Console by @paperdave in https://github.com/oven-sh/bun/pull/5448
• Implement node_api_create_external_string_latin1 by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5675
• fix(runtime/node): Allow new Buffer.alloc() + Upgrade WebKit by @paperdave in https://github.com/oven-sh/bun/pull/5699
• fix: remove unneeded branch in toJSONWithBytes by @liz3 in https://github.com/oven-sh/bun/pull/5684
• update llvm version from 15 to 16 in makefile by @nithinkjoy-tech in https://github.com/oven-sh/bun/pull/5696
• fix: provide empty string to 0 length process environment variables by @liz3 in https://github.com/oven-sh/bun/pull/5679
• bun run fix missing script error on empty file by @Parzival-3141 in https://github.com/oven-sh/bun/pull/5025
• Add navigator type definition by @ruihe774 in https://github.com/oven-sh/bun/pull/5444
• Encode slashes in package names in the registry manifest request by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5716
• Make bun install --verbose more verbose by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5726
• Fixes #3712 by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5730
• Align fetch() redirect behavior with spec by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5729
• Get artifactory to work by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5744
• docs: Update Remix guide by @brookslybrand in https://github.com/oven-sh/bun/pull/5702
• Added react installation to react.md by @jt3k in https://github.com/oven-sh/bun/pull/5620
• remind users of the latest version by @jumoog in https://github.com/oven-sh/bun/pull/5597
• docs: update net node documentation by @weyert in https://github.com/oven-sh/bun/pull/5562
• docs(development): typo which would lead to wrong llvm installation by @sum117 in https://github.com/oven-sh/bun/pull/5513
• Doc updates by @colinhacks in https://github.com/oven-sh/bun/pull/5759
• fix(cli): bun pm cache rm command not work by @WingLim in https://github.com/oven-sh/bun/pull/4571
• fix(Makefile) by @cirospaciari in https://github.com/oven-sh/bun/pull/5762
• Fixes #5769 by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5775
• add warning to Ensure correct placement of the '--watch' flag by @a4addel in https://github.com/oven-sh/bun/pull/5447
• Updated modules.md to address issue #5420 by @h2210316651 in https://github.com/oven-sh/bun/pull/5456
• docs: add Qwik guide by @sanyamkamat in https://github.com/oven-sh/bun/pull/4810
• Show when a newer version is available in the install summary by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5780
• Fix RedirectURLTooLong errors by @ggobbe in https://github.com/oven-sh/bun/pull/5786
• Fix path used in bunx by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5785
• Call Error.prepareStackTrace on new Error().stack by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5802
• fix(doc): correct server.reload by @Hanaasagi in https://github.com/oven-sh/bun/pull/5799
• add emitDecoratorMetadata by @dylan-conway in https://github.com/oven-sh/bun/pull/5777
• Fix bugs for VSCode extension 0.0.9 release by @JeremyFunk in https://github.com/oven-sh/bun/pull/5772
• Treat undefined value as empty in expect.toThrow by @Brooooooklyn in https://github.com/oven-sh/bun/pull/5788
• feat: switch disableTelemetry to bunfig by @coratgerl in https://github.com/oven-sh/bun/pull/5690
• [bun install] Add -E as alias of --exact by @jonahsnider in https://github.com/oven-sh/bun/pull/5104
• Improve types for test.each, describe.each by @colinhacks in https://github.com/oven-sh/bun/pull/5838
• feat(runtime): implement console._stdout by @paperdave in https://github.com/oven-sh/bun/pull/5842
• feat(runtime): implement Module.prototype._compile [fix jsonpath] by @paperdave in https://github.com/oven-sh/bun/pull/5840
• feat(node:dns): implement dns.lookupService by @Hanaasagi in https://github.com/oven-sh/bun/pull/5613
• feat(encoding): support BOM detection by @WingLim in https://github.com/oven-sh/bun/pull/5550
• fix(ffi) fix size limit for dlopen by @cirospaciari in https://github.com/oven-sh/bun/pull/5516
• fix(run): interpret extensionless files as typescript by @paperdave in https://github.com/oven-sh/bun/pull/5711
• docs(project): development fix Arch install-dependencies command by @yadav-saurabh in https://github.com/oven-sh/bun/pull/5270
• fix(fetch): fix redirect in relative path location. by @Hanaasagi in https://github.com/oven-sh/bun/pull/5781
• fix(console.log): change default depth from 8 to 2 by @JibranKalia in https://github.com/oven-sh/bun/pull/5839
• fix: add check to sqlite extension loading logic by @liz3 in https://github.com/oven-sh/bun/pull/5773
• Fix make jsc on Linux by @AaronDewes in https://github.com/oven-sh/bun/pull/4779
• On Linux, respect memory limit from cgroups by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5849
• Fix test failures by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5862
• chore: Update ZSH completions (1.0.0+822a00c build) by @Hanaasagi in https://github.com/oven-sh/bun/pull/4428
• fix(node:fs): use the right copyFile constants by @paperdave in https://github.com/oven-sh/bun/pull/5874
• fix: correctly pass the encrypted(bool) property on "Socket" for express.js by @liz3 in https://github.com/oven-sh/bun/pull/5878
• chore(git): ignore .envrc file by @igorshapiro in https://github.com/oven-sh/bun/pull/5873
• Don't use arena in node:fs by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/5863
• docs: add await to all Bun.build() call by @ImBIOS in https://github.com/oven-sh/bun/pull/5885
• async fs Write deinit and ref buffer by @dylan-conway in https://github.com/oven-sh/bun/pull/5883
• Hide env elapsed time when loglevel=info by @colinhacks in https://github.com/oven-sh/bun/pull/5882
• disable child_process execArgv + fix crash in cli parsing by @paperdave in https://github.com/oven-sh/bun/pull/5843
• fix #5865 by @dylan-conway in https://github.com/oven-sh/bun/pull/5890
• Implement module.parent by @paperdave in https://github.com/oven-sh/bun/pull/5889

New Contributors

• @JeremyFunk made their first contribution in https://github.com/oven-sh/bun/pull/4652
• @bdenham made their first contribution in https://github.com/oven-sh/bun/pull/5555
• @52 made their first contribution in https://github.com/oven-sh/bun/pull/5579
• @coratgerl made their first contribution in https://github.com/oven-sh/bun/pull/4693
• @Vilsol made their first contribution in https://github.com/oven-sh/bun/pull/5576
• @pan93412 made their first contribution in https://github.com/oven-sh/bun/pull/5610
• @shinichy made their first contribution in https://github.com/oven-sh/bun/pull/5510
• @Cilooth made their first contribution in https://github.com/oven-sh/bun/pull/5628
• @xbjfk made their first contribution in https://github.com/oven-sh/bun/pull/5660
• @JibranKalia made their first contribution in https://github.com/oven-sh/bun/pull/5595
• @rauny-brandao made their first contribution in https://github.com/oven-sh/bun/pull/5685
• @jumoog made their first contribution in https://github.com/oven-sh/bun/pull/5638
• @Hamcker made their first contribution in https://github.com/oven-sh/bun/pull/5594
• @liz3 made their first contribution in https://github.com/oven-sh/bun/pull/5684
• @nithinkjoy-tech made their first contribution in https://github.com/oven-sh/bun/pull/5696
• @ruihe774 made their first contribution in https://github.com/oven-sh/bun/pull/5444
• @brookslybrand made their first contribution in https://github.com/oven-sh/bun/pull/5702
• @jt3k made their first contribution in https://github.com/oven-sh/bun/pull/5620
• @weyert made their first contribution in https://github.com/oven-sh/bun/pull/5562
• @sum117 made their first contribution in https://github.com/oven-sh/bun/pull/5513
• @a4addel made their first contribution in https://github.com/oven-sh/bun/pull/5447
• @h2210316651 made their first contribution in https://github.com/oven-sh/bun/pull/5456
• @sanyamkamat made their first contribution in https://github.com/oven-sh/bun/pull/4810
• @ggobbe made their first contribution in https://github.com/oven-sh/bun/pull/5786
• @Brooooooklyn made their first contribution in https://github.com/oven-sh/bun/pull/5788
• @jonahsnider made their first contribution in https://github.com/oven-sh/bun/pull/5104
• @yadav-saurabh made their first contribution in https://github.com/oven-sh/bun/pull/5270
• @AaronDewes made their first contribution in https://github.com/oven-sh/bun/pull/4779
• @igorshapiro made their first contribution in https://github.com/oven-sh/bun/pull/5873
• @ImBIOS made their first contribution in https://github.com/oven-sh/bun/pull/5885

Full Changelog: https://github.com/oven-sh/bun/compare/bun-v1.0.2...bun-v1.0.3