v0.25.8

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v0.25.7

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v8.7.1: — Pipe Whisperer

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Continues v8.7.0: handles new ps() corner case and improves $.kill mechanics on Windows #​1266 #​1267 #​1269 webpod/ps#14

v8.7.0: — Solder Savior

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Important fixes for annoying flaky bugs

kill() 🐞

We've found an interesting case #​1262

const p = $`sleep 1000`
const {pid} = p // 12345
await p.kill()

If we kill the process again, the result might be unexpected:

await ps({pid}) // {pid: 12345, ppid: 67890, command: 'another command', ...}
p.kill()

This happens because the pid may be reused by the system for another process, so we've added extra assertions to prevent indeterminacy:

p.kill()  // Error: Too late to kill the process.
p.abort() // Error: Too late to abort the process.

ps() 🐛

• ps() uses wmic internally on Windows, it relies on fragile heuristics to parse the output. We have improved this logic to handle more format variants, but over time (in v9 maybe) we're planning to change the approach.

#​1256 #​1263 webpod/ps#12 webpod/ingrid#6

const [root] = await ps.lookup({ pid: process.pid })
assert.equal(root.pid, process.pid)

v8.6.2: — Flow Unstoppable

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Fixes $.prefix & $.postfix values settings via env variables #​1261 #​1260

v0.25.6

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• Fix a memory leak when cancel() is used on a build context (#​4231)

  Calling rebuild() followed by cancel() in rapid succession could previously leak memory. The bundler uses a producer/consumer model internally, and the resource leak was caused by the consumer being termianted while there were still remaining unreceived results from a producer. To avoid the leak, the consumer now waits for all producers to finish before terminating.

• Support empty :is() and :where() syntax in CSS (#​4232)

  Previously using these selectors with esbuild would generate a warning. That warning has been removed in this release for these cases.

• Improve tree-shaking of try statements in dead code (#​4224)

  With this release, esbuild will now remove certain try statements if esbuild considers them to be within dead code (i.e. code that is known to not ever be evaluated). For example:

  // Original code
  return 'foo'
  try { return 'bar' } catch {}
  
  // Old output (with --minify)
  return"foo";try{return"bar"}catch{}
  
  // New output (with --minify)
  return"foo";

• Consider negated bigints to have no side effects

  While esbuild currently considers 1, -1, and 1n to all have no side effects, it didn't previously consider -1n to have no side effects. This is because esbuild does constant folding with numbers but not bigints. However, it meant that unused negative bigint constants were not tree-shaken. With this release, esbuild will now consider these expressions to also be side-effect free:

  // Original code
  let a = 1, b = -1, c = 1n, d = -1n
  
  // Old output (with --bundle --minify)
  (()=>{var n=-1n;})();
  
  // New output (with --bundle --minify)
  (()=>{})();

• Support a configurable delay in watch mode before rebuilding (#​3476, #​4178)

  The watch() API now takes a delay option that lets you add a delay (in milliseconds) before rebuilding when a change is detected in watch mode. If you use a tool that regenerates multiple source files very slowly, this should make it more likely that esbuild's watch mode won't generate a broken intermediate build before the successful final build. This option is also available via the CLI using the --watch-delay= flag.

  This should also help avoid confusion about the watch() API's options argument. It was previously empty to allow for future API expansion, which caused some people to think that the documentation was missing. It's no longer empty now that the watch() API has an option.

• Allow mixed array for entryPoints API option (#​4223)

  The TypeScript type definitions now allow you to pass a mixed array of both string literals and object literals to the entryPoints API option, such as ['foo.js', { out: 'lib', in: 'bar.js' }]. This was always possible to do in JavaScript but the TypeScript type definitions were previously too restrictive.

• Update Go from 1.23.8 to 1.23.10 (#​4204, #​4207)

  This should have no effect on existing code as this version change does not change Go's operating system support. It may remove certain false positive reports (specifically CVE-2025-4673 and CVE-2025-22874) from vulnerability scanners that only detect which version of the Go compiler esbuild uses.

• Experimental support for esbuild on OpenHarmony (#​4212)

  With this release, esbuild now publishes the @esbuild/openharmony-arm64 npm package for OpenHarmony. It contains a WebAssembly binary instead of a native binary because Go doesn't currently support OpenHarmony. Node does support it, however, so in theory esbuild should now work on OpenHarmony through WebAssembly.

  This change was contributed by @​hqzing.

v10.13.1

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Patch Changes

• Run user defined pnpmfiles after pnpmfiles of plugins.

v10.13.0

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Minor Changes

• Added the possibility to load multiple pnpmfiles. The pnpmfile setting can now accept a list of pnpmfile locations #​9702.

• pnpm will now automatically load the pnpmfile.cjs file from any config dependency named @pnpm/plugin-* or pnpm-plugin-* #​9729.

  The order in which config dependencies are initialized should not matter — they are initialized in alphabetical order. If a specific order is needed, the paths to the pnpmfile.cjs files in the config dependencies can be explicitly listed using the pnpmfile setting in pnpm-workspace.yaml.

Patch Changes

• When patching dependencies installed via pkg.pr.new, treat them as Git tarball URLs #​9694.
• Prevent conflicts between local projects' config and the global config in dangerouslyAllowAllBuilds, onlyBuiltDependencies, onlyBuiltDependenciesFile, and neverBuiltDependencies #​9628.
• Sort keys in pnpm-workspace.yaml with deep #​9701.
• The pnpm rebuild command should not add pkgs included in ignoredBuiltDependencies to ignoredBuilds in node_modules/.modules.yaml #​9338.
• Replaced shell-quote with shlex for quoting command arguments #​9381.

v7.0.4

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Bug Fixes

• allow resolving bare specifiers to relative paths for entries (#​20379) (324669c)

Build System

• remove @oxc-project/runtime devDep (#​20389) (5e29602)

v7.0.3

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Bug Fixes

• client: protect against window being defined but addEv undefined (#​20359) (31d1467)
• define: replace optional values (#​20338) (9465ae1)
• deps: update all non-major dependencies (#​20366) (43ac73d)

Miscellaneous Chores

• deps: update dependency dotenv to v17 (#​20325) (45040d4)
• deps: update dependency rolldown to ^1.0.0-beta.24 (#​20365) (5ab25e7)
• use n/prefer-node-protocol rule (#​20368) (38bb268)

Code Refactoring

• minor changes to reduce diff between normal Vite and rolldown-vite (#​20354) (2e8050e)

v1.4.4

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v2.25.0

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Features

• truncate: add the string truncate function (#​1143) (737b2bc)

v2.24.1

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Bug Fixes

• setPath: support interfaces (#​1145) (0ea58e0), closes #​990

v4.45.0

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2025-07-12

Features

• Improve tree-shaking when both branches of a conditional expression return the same boolean value (#​6000)
• In environments that support both CJS and ESM, prefer the ESM build of Rollup (#​6005)

Bug Fixes

• Ensure static blocks do not prevent tree-shaking if they access this (#​6001)

Pull Requests

• #​6000: feat: improve get literal value for conditional expression (@​ahabhgk, @​lukastaegert)
• #​6001: Correct the parent scope for static blocks (@​TrickyPi, @​lukastaegert)
• #​6005: fix: export field order prefer esm (@​DylanPiercey)