fix(deps): update babel monorepo to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@babel/core (source)	7.29.7 → 8.0.5
@babel/parser (source)	7.29.7 → 8.0.5
@babel/preset-env (source)	7.29.7 → 8.0.5
@babel/traverse (source)	7.29.7 → 8.0.5

---

Release Notes

babel/babel (@​babel/core)

v8.0.5

Compare Source

👓 Spec Compliance

• babel-parser
  • #​18218 fix(parser): do not form html entity for invalid codepoint (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​18215 fix(parser): remove non-decimal prefix from bigint (@​JLHwung)
  • #​18063 Disallow new import prop access (@​JLHwung)
• babel-plugin-transform-destructuring
  • #​18214 fix: only collapse the empty-object check when it targets the declared binding (@​Kjubikstronk)
• babel-plugin-transform-typescript
  • #​18190 fix(ts): improve variable handling in namespace (@​JLHwung)
  • #​18207 [ts] Allow merging enum into a namespace (@​nicolo-ribaudo)
• babel-node
  • #​18217 Fix import path for babel-node.js (@​drubetti)
• babel-plugin-bugfix-safari-rest-destructuring-rhs-array
  • #​18213 fix(bugfix): bound check before array access (@​JLHwung)
• babel-traverse
  • #​18183 fix(remove): unwrap single sequence expression (@​JLHwung)
  • #​18153 Handle null in getAll{Prev,Next}Siblings (@​JLHwung)
• babel-plugin-transform-block-scoping
  • #​18194 fix: improve for loop closure environment check (@​JLHwung)
  • #​18193 fix: assign closure body after handling return (@​JLHwung)
  • #​18088 Fix initialization of nested for loop head declarations (@​journey-ad)
• babel-generator
  • #​18202 fix(generator): keep parens for ?. chain in tag (@​JLHwung)
• babel-register
  • #​18137 fix(babel-register): preserve app-managed graceful shutdown (@​jibin7jose)
• Other
  • #​18140 chore: fix @​babel/eslint-plugin peer deps (@​JLHwung)
• babel-cli, babel-helper-transform-fixture-test-runner, babel-register
  • #​18131 fix(register): do not inherit parent execArgv (@​JLHwung)
• babel-standalone
  • #​18095 Add types for @babel/standalone (@​liuxingbaoyu)

📝 Documentation

• #​18187 Add AI policy (@​nicolo-ribaudo)

🏠 Internal

• babel-cli, babel-core, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-fixtures, babel-preset-env
  • #​18145 refactor: replace semver with verkit (@​sxzz)
• babel-node
  • #​18177 Update node flags list (@​nicolo-ribaudo)
• babel-types
  • #​18103 Simplify AST validators (@​fisker)

🏃‍♀️ Performance

• babel-parser
  • #​18176 perf: Improve @babel/parser (@​liuxingbaoyu)

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)

babel/babel (@​babel/parser)

v8.0.5

Compare Source

v8.0.5 (2026-09-10)

Thanks @​drubetti, @​jibin7jose, @​joelle-a-dev, @​journey-ad, @​Kjubikstronk, @​MatteoGabriele, and @​zhangli091011 for your first PRs!

👓 Spec Compliance

• babel-parser
  • #​18218 fix(parser): do not form html entity for invalid codepoint (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​18215 fix(parser): remove non-decimal prefix from bigint (@​JLHwung)
  • #​18063 Disallow new import prop access (@​JLHwung)
• babel-plugin-transform-destructuring
  • #​18214 fix: only collapse the empty-object check when it targets the declared binding (@​Kjubikstronk)
• babel-plugin-transform-typescript
  • #​18190 fix(ts): improve variable handling in namespace (@​JLHwung)
  • #​18207 [ts] Allow merging enum into a namespace (@​nicolo-ribaudo)
• babel-node
  • #​18217 Fix import path for babel-node.js (@​drubetti)
• babel-plugin-bugfix-safari-rest-destructuring-rhs-array
  • #​18213 fix(bugfix): bound check before array access (@​JLHwung)
• babel-traverse
  • #​18183 fix(remove): unwrap single sequence expression (@​JLHwung)
  • #​18153 Handle null in getAll{Prev,Next}Siblings (@​JLHwung)
• babel-plugin-transform-block-scoping
  • #​18194 fix: improve for loop closure environment check (@​JLHwung)
  • #​18193 fix: assign closure body after handling return (@​JLHwung)
  • #​18088 Fix initialization of nested for loop head declarations (@​journey-ad)
• babel-generator
  • #​18202 fix(generator): keep parens for ?. chain in tag (@​JLHwung)
• babel-register
  • #​18137 fix(babel-register): preserve app-managed graceful shutdown (@​jibin7jose)
• Other
  • #​18140 chore: fix @​babel/eslint-plugin peer deps (@​JLHwung)
• babel-cli, babel-helper-transform-fixture-test-runner, babel-register
  • #​18131 fix(register): do not inherit parent execArgv (@​JLHwung)
• babel-standalone
  • #​18095 Add types for @babel/standalone (@​liuxingbaoyu)

📝 Documentation

• #​18187 Add AI policy (@​nicolo-ribaudo)

🏠 Internal

• babel-cli, babel-core, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-fixtures, babel-preset-env
  • #​18145 refactor: replace semver with verkit (@​sxzz)
• babel-node
  • #​18177 Update node flags list (@​nicolo-ribaudo)
• babel-types
  • #​18103 Simplify AST validators (@​fisker)

🏃‍♀️ Performance

• babel-parser
  • #​18176 perf: Improve @babel/parser (@​liuxingbaoyu)

Committers: 14

• Babel Bot (@​babel-bot)
• Daniele Rubetti (@​drubetti)
• Huáng Jùnliàng (@​JLHwung)
• Jad (@​journey-ad)
• Joelle Mahfoud (@​joelle-a-dev)
• Kevin Deng (@​sxzz)
• Matteo Gabriele (@​MatteoGabriele)
• Miodrag Obradovic (@​Kjubikstronk)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• Rayan Salhab (@​cyphercodes)
• @​liuxingbaoyu
• @​zhangli091011
• fisker Cheung (@​fisker)
• jibin jose (@​jibin7jose)

v8.0.4

Compare Source

v8.0.4 (2026-07-09)

👓 Spec Compliance

• babel-parser, babel-plugin-transform-typescript
  • #​18120 fix(parser): disallow declare module M {} (@​JLHwung)
• babel-generator, babel-parser, babel-plugin-transform-typescript
  • #​18100 fix(parser): forbid let x! and let x! = (@​JLHwung)

🐛 Bug Fix

• babel-traverse
  • #​18122 fix: replaceWith in Visitor#exit should not stop traversal (@​liuxingbaoyu)

🏠 Internal

• babel-helper-validator-identifier
  • #​18084 refactor: Shrink validator identifier size (@​JLHwung)

Committers: 4

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

v8.0.0

Compare Source

v8.0.0 (2026-06-16)

NOTE: The changelog below is relative to v8.0.0-rc.6. You can find a summary of all the breaking changes shipped in the Babel 8 release line in the migration guide for users and migration guide for plugin developers.

Read the release blog post at http://babeljs.io/blog/2026/06/16/8.0.0!

👓 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)

Committers: 6

• Babel Bot (@​babel-bot)
• Huáng Jùnliàng (@​JLHwung)
• James Garbutt (@​43081j)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• Sandy Chen (@​sandy2008)
• @​liuxingbaoyu

v7.29.8

Compare Source

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The artifact failure details are included below:

File name: package-lock.json

npm warn Unknown env config "store". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.
npm warn ERESOLVE overriding peer dependency
npm warn While resolving: @babel/eslint-parser@7.28.6
npm warn Found: @babel/core@8.0.5
npm warn node_modules/@babel/core
npm warn   peer @babel/core@"^7.11.0 || ^8.0.0-0" from babel-jest@30.4.1
npm warn   node_modules/babel-jest
npm warn     babel-jest@"30.4.1" from jest-config@30.4.2
npm warn     node_modules/jest-config
npm warn     1 more (ts-jest)
npm warn   5 more (babel-loader, babel-preset-current-node-syntax, ...)
npm warn
npm warn Could not resolve dependency:
npm warn peer @babel/core@"^8.0.0" from @babel/preset-env@8.0.5
npm warn node_modules/@babel/preset-env
npm warn   @babel/preset-env@"8.0.5" from @techstack/tcm-cli@1.4.49
npm warn   packages/tcm-cli
npm warn ERESOLVE overriding peer dependency
npm warn While resolving: @babel/eslint-parser@7.28.6
npm warn Found: eslint@10.2.1
npm warn node_modules/eslint
npm warn   peer eslint@"^6.0.0 || ^7.0.0 || >=8.0.0" from @eslint-community/eslint-utils@4.9.1
npm warn   node_modules/@eslint-community/eslint-utils
npm warn     @eslint-community/eslint-utils@"^4.2.0" from @typescript-eslint/utils@5.62.0
npm warn     node_modules/@typescript-eslint/experimental-utils/node_modules/@typescript-eslint/utils
npm warn     6 more (@typescript-eslint/utils, eslint, ...)
npm warn   14 more (@typescript-eslint/eslint-plugin, ...)
npm warn
npm warn Could not resolve dependency:
npm warn peer eslint@"^7.32.0 || ^8.2.0" from eslint-config-airbnb@19.0.4
npm warn node_modules/eslint-config-airbnb
npm warn   dev eslint-config-airbnb@"19.0.4" from @techstack/react-textfit@1.3.307
npm warn   packages/react-textfit
npm warn ERESOLVE overriding peer dependency
npm warn While resolving: @babel/eslint-parser@7.28.6
npm warn Found: eslint@10.2.1
npm warn node_modules/eslint
npm warn   peer eslint@"^6.0.0 || ^7.0.0 || >=8.0.0" from @eslint-community/eslint-utils@4.9.1
npm warn   node_modules/@eslint-community/eslint-utils
npm warn     @eslint-community/eslint-utils@"^4.2.0" from @typescript-eslint/utils@5.62.0
npm warn     node_modules/@typescript-eslint/experimental-utils/node_modules/@typescript-eslint/utils
npm warn     6 more (@typescript-eslint/utils, eslint, ...)
npm warn   14 more (@typescript-eslint/eslint-plugin, ...)
npm warn
npm warn Could not resolve dependency:
npm warn peer eslint@"^8.0.0" from eslint-config-react-app@7.0.1
npm warn node_modules/eslint-config-react-app
npm warn   eslint-config-react-app@"7.0.1" from @techstack/tcm-cli@2.0.42
npm warn   packages/font-picker/node_modules/@techstack/tcm-cli
npm warn   2 more (@techstack/tcm-cli, @techstack/tcm-cli)
npm warn ERESOLVE overriding peer dependency
npm warn While resolving: @babel/eslint-parser@7.28.6
npm warn Found: eslint@10.2.1
npm warn node_modules/eslint
npm warn   peer eslint@"^6.0.0 || ^7.0.0 || >=8.0.0" from @eslint-community/eslint-utils@4.9.1
npm warn   node_modules/@eslint-community/eslint-utils
npm warn     @eslint-community/eslint-utils@"^4.2.0" from @typescript-eslint/utils@5.62.0
npm warn     node_modules/@typescript-eslint/experimental-utils/node_modules/@typescript-eslint/utils
npm warn     6 more (@typescript-eslint/utils, eslint, ...)
npm warn   14 more (@typescript-eslint/eslint-plugin, ...)
npm warn
npm warn Could not resolve dependency:
npm warn peer eslint@"^8.1.0" from eslint-plugin-flowtype@8.0.3
npm warn node_modules/eslint-plugin-flowtype
npm warn   eslint-plugin-flowtype@"^8.0.3" from eslint-config-react-app@7.0.1
npm warn   node_modules/eslint-config-react-app
npm warn   3 more (@techstack/tcm-cli, @techstack/tcm-cli, @techstack/tcm-cli)
npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: @techstack/tcm-cli@1.4.49
npm error Found: eslint@9.39.4
npm error node_modules/eslint
npm error   eslint@"9.39.4" from @techstack/tcm-cli@1.4.49
npm error   packages/tcm-cli
npm error     @techstack/tcm-cli@1.4.49
npm error     node_modules/@techstack/tcm-cli
npm error       workspace packages/tcm-cli from the root project
npm error
npm error Could not resolve dependency:
npm error peer eslint@"^8.0.0" from eslint-config-react-app@7.0.1
npm error node_modules/eslint-config-react-app
npm error   eslint-config-react-app@"7.0.1" from @techstack/tcm-cli@1.4.49
npm error   packages/tcm-cli
npm error     @techstack/tcm-cli@1.4.49
npm error     node_modules/@techstack/tcm-cli
npm error       workspace packages/tcm-cli from the root project
npm error
npm error Fix the upstream dependency conflict, or retry this command with --force or --legacy-peer-deps to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error /runner/cache/others/npm/_logs/2026-09-15T21_36_48_845Z-eresolve-report.txt
npm error A complete log of this run can be found in: /runner/cache/others/npm/_logs/2026-09-15T21_36_48_845Z-debug-0.log

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