Update babel monorepo to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@babel/helper-builder-react-jsx (source)	7.24.7 → 8.0.1
@babel/plugin-transform-classes (source)	7.24.8 → 8.0.5

---

Release Notes

babel/babel (@​babel/helper-builder-react-jsx)

v8.0.1

Compare Source

💥 Breaking Change

• babel-core, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
  • #​18079 Actually remove preset-env's useBuiltIns (@​nicolo-ribaudo)

v8.0.0

Compare Source

👓 Spec Compliance

• babel-core
  • #​18039 perf: Only extract source map comments at the end of the file (@​liuxingbaoyu)

💥 Breaking Change

• babel-cli, babel-node, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-modules-commonjs, babel-plugin-transform-object-rest-spread, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-regenerator, babel-preset-env, babel-register
  • #​18069 Fallback to assuming ESM support with modules: auto (@​nicolo-ribaudo)
• babel-plugin-transform-runtime, babel-runtime-corejs3, babel-runtime
  • #​18036 Remove corejs exports for @babe/runtime-corejs3 (@​liuxingbaoyu)
• babel-parser
  • #​18034 Remove locations: "packed" (@​liuxingbaoyu)

🐛 Bug Fix

• babel-generator
  • #​18046 fix(generator): improve new callee parens check (@​JLHwung)
• babel-plugin-transform-modules-systemjs
  • #​18032 fix(systemjs): support proto as an export name (@​JLHwung)

📝 Documentation

• #​18070 Add EOL date for Babel 7 (end of June 2027) to SECURITY.md (@​nicolo-ribaudo)

🏠 Internal

• #​18018 ci: enforce yarn integrity (@​JLHwung)

🏃‍♀️ Performance

• babel-core
  • #​18039 perf: Only extract source map comments at the end of the file (@​liuxingbaoyu)

v7.29.7

Compare Source

v7.29.7 (2026-05-25)

Re-release all packages with npm provenance attestations

v7.28.6

Compare Source

v7.28.6 (2026-01-12)

Thanks @​kadhirash and @​kolvian for your first PRs!

🐛 Bug Fix

• babel-cli, babel-code-frame, babel-core, babel-helper-check-duplicate-nodes, babel-helper-fixtures, babel-helper-plugin-utils, babel-node, babel-plugin-transform-flow-comments, babel-plugin-transform-modules-commonjs, babel-plugin-transform-property-mutators, babel-preset-env, babel-traverse, babel-types
  • #​17589 Improve Unicode handling in code-frame tokenizer (@​JLHwung)
• babel-plugin-transform-regenerator
  • #​17556 fix: transform-regenerator correctly handles scope (@​liuxingbaoyu)
• babel-plugin-transform-react-jsx
  • #​17538 fix: Keep jsx comments (@​liuxingbaoyu)

💅 Polish

• babel-core, babel-standalone
  • #​17606 Polish(standalone): improve message on invalid preset/plugin (@​JLHwung)

🏠 Internal

• babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-proposal-decorators, babel-plugin-proposal-import-attributes-to-assertions, babel-plugin-proposal-import-wasm-source, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-explicit-resource-management, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-plugin-syntax-import-defer, babel-plugin-syntax-import-source, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-optional-chaining-assign, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-json-strings, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-regexp-modifiers, babel-plugin-transform-unicode-property-regex, babel-plugin-transform-unicode-sets-regex
  • #​17580 Allow Babel 8 in compatible Babel 7 plugins (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-plugin-transform-react-jsx
  • #​17555 perf: Use lighter traversal for jsx __source,__self (@​liuxingbaoyu)

Committers: 7

• Babel Bot (@​babel-bot)
• Eliot Pontarelli (@​kolvian)
• Huáng Jùnliàng (@​JLHwung)
• Kadhirash Sivakumar (@​kadhirash)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• @​liuxingbaoyu
• coderaiser (@​coderaiser)

v7.27.1

Compare Source

👓 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 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)

💅 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)

🏠 Internal

• babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​17263 Remove unused regenerator-runtime dep in @babel/runtime (@​nicolo-ribaudo)
• babel-compat-data, babel-preset-env
  • #​17256 Tune plugin compat data (@​JLHwung)
• babel-compat-data, babel-standalone
  • #​17236 migrate babel-compat-data build script to mjs (@​JLHwung)
• Other
  • #​17232 Bump typescript-eslint to 8.29.1 (@​JLHwung)
  • #​17219 test: add basic typescript-eslint integration tests (@​JLHwung)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-register
  • #​16844 Migrate @babel/register to cts (@​liuxingbaoyu)
• babel-cli, babel-compat-data, babel-core, babel-generator, babel-helper-compilation-targets, babel-helper-fixtures, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-parser, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-react-display-name, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-preset-env, babel-register, babel-standalone, babel-types
  • #​17207 Enforce node protocol import (@​JLHwung)
• babel-plugin-transform-regenerator
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-regenerator
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-helpers
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)

🔬 Output optimization

• babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3
  • #​16538 Reduce interopRequireWildcard size (@​liuxingbaoyu)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #​17213 Reduce regeneratorRuntime size (@​liuxingbaoyu)

v7.25.9

Compare Source

🐛 Bug Fix

• babel-parser, babel-template, babel-types
  • #​16905 fix: Keep type annotations in syntacticPlaceholders mode (@​liuxingbaoyu)
• babel-helper-compilation-targets, babel-preset-env
  • #​16907 fix: support BROWSERSLIST{,_CONFIG} env (@​JLHwung)
• Other
  • #​16884 Analyze ClassAccessorProperty to prevent the no-undef rule (@​victorenator)

🏠 Internal

• babel-helper-transform-fixture-test-runner
  • #​16914 remove test options flaky (@​JLHwung)

🏃‍♀️ Performance

• babel-parser, babel-types
  • #​16918 perf: Make VISITOR_KEYS etc. faster to access (@​liuxingbaoyu)

v7.25.7

Compare Source

🐛 Bug Fix

• babel-helper-validator-identifier
  • #​16825 fix: update identifier to unicode 16 (@​JLHwung)
• babel-traverse
  • #​16814 fix: issue with node path keys updated on unrelated paths (@​DylanPiercey)
• babel-plugin-transform-classes
  • #​16797 Use an inclusion rather than exclusion list for super() check (@​nicolo-ribaudo)
• babel-generator
  • #​16788 Fix printing of TS infer in compact mode (@​nicolo-ribaudo)
  • #​16785 Print TS type annotations for destructuring in assignment pattern (@​nicolo-ribaudo)
  • #​16778 Respect [no LineTerminator here] after nodes (@​nicolo-ribaudo)

💅 Polish

• babel-types
  • #​16852 Add deprecated JSDOC for fields (@​liuxingbaoyu)

🏠 Internal

• babel-core
  • #​16820 Allow sync loading of ESM when --experimental-require-module (@​nicolo-ribaudo)
• babel-helper-compilation-targets, babel-helper-plugin-utils, babel-preset-env
  • #​16858 Add browserslist config to external dependency (@​JLHwung)
• babel-plugin-proposal-destructuring-private, babel-plugin-syntax-decimal, babel-plugin-syntax-import-reflection, babel-standalone
  • #​16809 Archive syntax-import-reflection and syntax-decimal (@​nicolo-ribaudo)
• babel-generator
  • #​16779 Simplify logic for [no LineTerminator here] before nodes (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-plugin-transform-typescript
  • #​16875 perf: Avoid extra cloning of namespaces (@​liuxingbaoyu)
• babel-types
  • #​16842 perf: Improve @​babel/types builders (@​liuxingbaoyu)
  • #​16828 Only access BABEL_TYPES_8_BREAKING at startup (@​nicolo-ribaudo)

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Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	@​babel/​helper-builder-react-jsx@​7.24.7 ⏵ 8.0.1	+1		+2	+4
	@​babel/​plugin-transform-classes@​7.24.8 ⏵ 8.0.5	+1			-6

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