v0.27.2

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• Allow import path specifiers starting with #/ (#​4361)

  Previously the specification for package.json disallowed import path specifiers starting with #/, but this restriction has recently been relaxed and support for it is being added across the JavaScript ecosystem. One use case is using it for a wildcard pattern such as mapping #/* to ./src/* (previously you had to use another character such as #_* instead, which was more confusing). There is some more context in nodejs/node#49182.

  This change was contributed by @​hybrist.

• Automatically add the -webkit-mask prefix (#​4357, #​4358)

  This release automatically adds the -webkit- vendor prefix for the mask CSS shorthand property:

  /* Original code */
  main {
    mask: url(x.png) center/5rem no-repeat
  }
  
  /* Old output (with --target=chrome110) */
  main {
    mask: url(x.png) center/5rem no-repeat;
  }
  
  /* New output (with --target=chrome110) */
  main {
    -webkit-mask: url(x.png) center/5rem no-repeat;
    mask: url(x.png) center/5rem no-repeat;
  }

  This change was contributed by @​BPJEnnova.

• Additional minification of switch statements (#​4176, #​4359)

  This release contains additional minification patterns for reducing switch statements. Here is an example:

  // Original code
  switch (x) {
    case 0:
      foo()
      break
    case 1:
    default:
      bar()
  }
  
  // Old output (with --minify)
  switch(x){case 0:foo();break;case 1:default:bar()}
  
  // New output (with --minify)
  x===0?foo():bar();

• Forbid using declarations inside switch clauses (#​4323)

  This is a rare change to remove something that was previously possible. The Explicit Resource Management proposal introduced using declarations. These were previously allowed inside case and default clauses in switch statements. This had well-defined semantics and was already widely implemented (by V8, SpiderMonkey, TypeScript, esbuild, and others). However, it was considered to be too confusing because of how scope works in switch statements, so it has been removed from the specification. This edge case will now be a syntax error. See tc39/proposal-explicit-resource-management#215 and rbuckton/ecma262#14 for details.

  Here is an example of code that is no longer allowed:

  switch (mode) {
    case 'read':
      using readLock = db.read()
      return readAll(readLock)
  
    case 'write':
      using writeLock = db.write()
      return writeAll(writeLock)
  }

  That code will now have to be modified to look like this instead (note the additional { and } block statements around each case body):

  switch (mode) {
    case 'read': {
      using readLock = db.read()
      return readAll(readLock)
    }
    case 'write': {
      using writeLock = db.write()
      return writeAll(writeLock)
    }
  }

  This is not being released in one of esbuild's breaking change releases since this feature hasn't been finalized yet, and esbuild always tracks the current state of the specification (so esbuild's previous behavior was arguably incorrect).

v11.3.3

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• Fix copying symlink when destination is a symlink to the same target (#​1019, #​1060)

v5.75.1

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v5.75.0

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v5.74.0

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v5.73.4

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v4.17.22

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v4.53.5

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2025-12-16

Bug Fixes

• Fix wrong semicolon insertion position when using JSX (#​6206)
• Generate spec-compliant sourcemaps when sources content is excluded (#​6196)

Pull Requests

• #​6196: fix: set sourcesContent to undefined instead of null when excluding sources content (@​TrickyPi)
• #​6206: Fix semicolon order in JSX (@​TrickyPi)

v4.53.4

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2025-12-15

Bug Fixes

• Ensure Symbol.dispose and Symbol.asyncDispose properties are never removed with (await) using declarations. (#​6209)

Pull Requests

• #​6185: chore(deps): update dependency @​inquirer/prompts to v8 (@​renovate[bot], @​lukastaegert)
• #​6186: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot])
• #​6187: chore(deps): lock file maintenance (@​renovate[bot])
• #​6188: chore(deps): lock file maintenance minor/patch updates (@​renovate[bot])
• #​6190: Fix syntax error in manualChunks example (@​jonnyeom)
• #​6194: chore(deps): update actions/checkout action to v6 (@​renovate[bot])
• #​6195: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot], @​lukastaegert)
• #​6202: fix(deps): update swc monorepo (major) (@​renovate[bot])
• #​6203: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot], @​lukastaegert)
• #​6209: Do not tree-shake handlers for "using" (@​lukastaegert)

v2.2.1

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==================

• Minor changes (documentation, package metadata...)

v7.3.0

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Please refer to CHANGELOG.md for details.

v4.0.16

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   🐞 Bug Fixes

• Fix browser mode default testTimeout back to 15 seconds  -  by @​hi-ogawa in #​9167 (da0ad)
• Avoid crashing on process.versions stub  -  by @​AriPerkkio in #​9174 (78cfb)
• Reject calling suite function inside test  -  by @​hi-ogawa in #​9198 (1a259)
• Allow inlining fully dynamic import  -  by @​hi-ogawa in #​9137 (56851)
• Fix module graph UI on html reporter with headless browser mode  -  by @​hi-ogawa in #​9219 (60642)
• Log deprecated test.poolOptions if it's set  -  by @​sheremet-va in #​9226 (f7f6a)
• browser:
  • Import recordArtifact from the vitest package  -  by @​macarie in #​9186 (01c56)
  • Fix import.meta.env define  -  by @​hi-ogawa in #​9205 (01a9a)
  • String formatting bug when including placeholders in console.log  -  by @​michael-debs and @​hi-ogawa in #​9030 and #​9131 (84a30)
• coverage:
  • Istanbul untested files source maps are off  -  by @​AriPerkkio in #​9208 (372e8)
• experimental:
  • Export setupEnvironment for custom pools  -  by @​AriPerkkio in #​9187 (5d26b)

    View changes on GitHub

v3.5.26

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Bug Fixes

• compat: fix compat handler of draggable (#​12445) (ed85953), closes #​12444
• compat: handle v-model deprecation warning with missing appContext (#​14203) (945a543), closes #​14202
• compiler-sfc: demote const reactive bindings used in v-model (#​14214) (e24ff7d), closes #​11265 #​11275
• compiler-ssr: handle ssr attr fallthrough when preserve whitespace (#​12304) (4783118), closes #​8072
• hmr: handle cached text node update (#​14134) (69ce3c7), closes #​14127
• keep-alive: use resolved component name for async components in cache pruning (#​14212) (dfe667c), closes #​14210
• runtime-core: ensure correct anchor el for deeper unresolved async components (#​14182) (f5b3bf2), closes #​14173
• runtime-core: handle patch stable fragment edge case (#​12411) (94aeb64), closes #​12410
• runtime-core: pass component instance to flushPreFlushCbs on unmount (#​14221) (e857e12), closes #​14215

Performance Improvements

• compiler-core: use binary-search to get line and column (#​14222) (1904053)

v0.26.3

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What's Changed

• docs(cli): fix wrong file path for Java bindings test by @​Marcono1234 in #​5117
• ci(release): use node 24 by @​ObserverOfTime in #​5120
• build(deps): cargo update by @​clason in #​5125
• 0.26.3 by @​clason in #​5126

Full Changelog: tree-sitter/tree-sitter@v0.26.2...v0.26.3

v0.26.0

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