Sourced from @​babel/preset-env's releases.

v7.27.2 (2025-05-06)

:bug: Bug Fix

• babel-parser
  • #17289 fix: @babel/parser/bin/index.js contains node: protocol require (@​liuxingbaoyu)
  • #17291 fix: Private class method not found when TS and estree (@​liuxingbaoyu)
• babel-plugin-transform-object-rest-spread
  • #17281 Fix: improve object rest handling in array pattern (@​JLHwung)
• babel-plugin-transform-modules-commonjs, babel-template
  • #17284 fix(babel-template): Properly handle empty string replacements (@​magic-akari)

:running_woman: Performance

• babel-cli
  • #17285 Enable Node compile cache for @babel/cli (@​JLHwung)

Committers: 5

• Babel Bot (@​babel-bot)
• Huáng Jùnliàng (@​JLHwung)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• @​liuxingbaoyu
• @​magic-akari

v7.27.1 (2025-04-30)

Thanks @​kermanx and @​woaitsAryan for your first PRs!

:eyeglasses: Spec Compliance

• babel-parser
  • #17254 Allow using of as lexical declaration within for (@​JLHwung)
  • #17230 Disallow get/set in TSPropertySignature (@​JLHwung)
• babel-parser, babel-types
  • #17193 Stricter TSImportType options parsing (@​JLHwung)

:bug: Bug Fix

• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-traverse
  • #17137 fix: do expressions should allow early exit (@​kermanx)
• babel-helper-wrap-function, babel-plugin-transform-async-to-generator
  • #17251 Fix: propagate argument evaluation errors through async promise chain (@​magic-akari)
• babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
  • #17231 fix apply()/call() annotated as pure (@​Lacsw)
• babel-helper-fixtures, babel-parser
  • #17233 Create ChainExpression within TSInstantiationExpression (@​JLHwung)
• babel-generator, babel-parser
  • #17226 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 2) (@​JLHwung)
• babel-parser
  • #17224 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 1) (@​JLHwung)
  • #17080 Fix start of TSParameterProperty (@​JLHwung)
• babel-compat-data, babel-preset-env
  • #17228 Update firefox bugfix compat data (@​JLHwung)
• babel-traverse

... (truncated)

Sourced from @​babel/preset-env's changelog.

v7.27.2 (2025-05-06)

:bug: Bug Fix

• babel-parser
  • #17289 fix: @babel/parser/bin/index.js contains node: protocol require (@​liuxingbaoyu)
  • #17291 fix: Private class method not found when TS and estree (@​liuxingbaoyu)
• babel-plugin-transform-object-rest-spread
  • #17281 Fix: improve object rest handling in array pattern (@​JLHwung)
• babel-plugin-transform-modules-commonjs, babel-template
  • #17284 fix(babel-template): Properly handle empty string replacements (@​magic-akari)

:running_woman: Performance

• babel-cli
  • #17285 Enable Node compile cache for @babel/cli (@​JLHwung)

v7.27.1 (2025-04-30)

:eyeglasses: Spec Compliance

• babel-parser
  • #17254 Allow using of as lexical declaration within for (@​JLHwung)
  • #17230 Disallow get/set in TSPropertySignature (@​JLHwung)
• babel-parser, babel-types
  • #17193 Stricter TSImportType options parsing (@​JLHwung)

:bug: Bug Fix

• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-traverse
  • #17137 fix: do expressions should allow early exit (@​kermanx)
• babel-helper-wrap-function, babel-plugin-transform-async-to-generator
  • #17251 Fix: propagate argument evaluation errors through async promise chain (@​magic-akari)
• babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
  • #17231 fix apply()/call() annotated as pure (@​Lacsw)
• babel-helper-fixtures, babel-parser
  • #17233 Create ChainExpression within TSInstantiationExpression (@​JLHwung)
• babel-generator, babel-parser
  • #17226 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 2) (@​JLHwung)
• babel-parser
  • #17224 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 1) (@​JLHwung)
  • #17080 Fix start of TSParameterProperty (@​JLHwung)
• babel-compat-data, babel-preset-env
  • #17228 Update firefox bugfix compat data (@​JLHwung)
• babel-traverse
  • #17156 fix: Objects and arrays with multiple references should not be evaluated (@​liuxingbaoyu)
• babel-generator
  • #17216 Fix: support const type parameter in generator (@​JLHwung)

:nail_care: Polish

• babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-transform-arrow-functions, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-traverse
  • #17221 Reduce generated names size for the 10th-11th (@​nicolo-ribaudo)

:house: Internal

• babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime

... (truncated)

• a8080cd v7.27.2
• b9c6efb Use .d.ts in import when importing a .d.ts file (#17288)
• 1e0bdac [Babel 8] Directly export the JSON files from @babel/compat-data (#17267)
• eebd3a0 v7.27.1
• 5c5e77c Tune plugin compat data (#17256)
• aca4f01 chore: bump compat-data sources (#17253)
• 7264384 Update firefox bugfix compat data (#17228)
• 0f95b74 Reduce regeneratorRuntime size (#17213)
• 317e332 Enforce node protocol import (#17207)
• 14ef1e9 Babel 8 cleanup (#17211)
• Additional commits viewable in compare view

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