chore(deps): update babel monorepo to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@babel/core (source)	7.29.7 → 8.0.6
@babel/preset-env (source)	7.29.7 → 8.0.6

---

Release Notes

babel/babel (@​babel/core)

v8.0.6

Compare Source

👓 Spec Compliance

• babel-helper-validator-identifier, babel-parser
  • #​18237 Update identifier definition to Unicode 18 (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​18240 Fix parsing of arrow function params inside ternaries with Flow (@​robhogan)
• babel-helper-string-parser, babel-parser
  • #​18239 fix: polish error message for invalid binary 0b19 (@​JLHwung)

🏠 Internal

• babel-code-frame, babel-core, babel-generator, babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-parser, babel-plugin-bugfix-safari-rest-destructuring-rhs-array, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-discard-binding, babel-plugin-transform-regenerator, babel-plugin-transform-typescript, babel-preset-env, babel-traverse, babel-types
  • #​18235 Remove unused internal exports (@​nicolo-ribaudo)
• babel-parser
  • #​18245 test: test with ts-eslint 8.70.0 (@​JLHwung)
• babel-core
  • #​18231 build: do not emit sourcemap in production build (@​JLHwung)
• babel-build-external-helpers, babel-cli, babel-code-frame, babel-core, babel-generator, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-globals, babel-helper-string-parser, babel-helper-transform-fixture-test-runner, babel-helper-validator-identifier, babel-node, babel-parser, babel-plugin-transform-async-generator-functions, babel-plugin-transform-runtime, babel-register, babel-runtime-corejs3, babel-traverse
  • #​18236 Enforce usage of Yarn catalog for reused dependencies (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-helper-compilation-targets, babel-helper-transform-fixture-test-runner
  • #​18232 Replace lru-cache with flru (@​nicolo-ribaudo)

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)

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: package-lock.json

npm warn Unknown env config "store". This will error in a future major version of npm. See `npm help npmrc` for supported config options.
npm error code ERESOLVE
npm error ERESOLVE could not resolve
npm error
npm error While resolving: @babel/eslint-parser@7.29.9
npm error Found: @babel/core@8.0.6
npm error node_modules/@babel/core
npm error   dev @babel/core@"8.0.6" from the root project
npm error   peer @babel/core@"^7.11.0 || ^8.0.0-0" from babel-jest@30.5.1
npm error   node_modules/babel-jest
npm error     dev babel-jest@"30.5.1" from the root project
npm error     babel-jest@"30.5.1" from jest-config@30.5.1
npm error     node_modules/jest-config
npm error       jest-config@"30.5.1" from @jest/core@30.5.1
npm error       node_modules/@jest/core
npm error         @jest/core@"30.5.1" from jest@30.5.1
npm error         node_modules/jest
npm error         1 more (jest-cli)
npm error       1 more (jest-cli)
npm error   3 more (babel-preset-current-node-syntax, babel-preset-jest, @babel/preset-env)
npm error
npm error Could not resolve dependency:
npm error peer @babel/core@"^7.11.0" from @babel/eslint-parser@7.29.9
npm error node_modules/@babel/eslint-parser
npm error   dev @babel/eslint-parser@"7.29.9" from the root project
npm error
npm error Conflicting peer dependency: @babel/core@7.29.7
npm error node_modules/@babel/core
npm error   peer @babel/core@"^7.11.0" from @babel/eslint-parser@7.29.9
npm error   node_modules/@babel/eslint-parser
npm error     dev @babel/eslint-parser@"7.29.9" 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/2026-09-30T21_36_31_162Z-eresolve-report.txt
npm error A complete log of this run can be found in: /runner/cache/others/npm/_logs/2026-09-30T21_36_31_162Z-debug-0.log