chore(deps-dev): bump @babel/core from 7.29.7 to 8.0.6

[dependabot]

Bumps @babel/core from 7.29.7 to 8.0.6.

Release notes

Sourced from @​babel/core's releases.

v8.0.6 (2026-09-18)

Thanks @​robhogan for your first PR!

👓 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)

Committers: 4

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

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)

... (truncated)

Changelog

Sourced from @​babel/core's changelog.

v8.0.6 (2026-09-18)

👓 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 (2026-09-10)

👓 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)

... (truncated)

Commits

• 9e408d6 v8.0.6
• 753bedf Remove unused internal exports (#18235)
• e80c9ac build: do not emit sourcemap in production build (#18231)
• 8b01fec Enforce usage of Yarn catalog for reused dependencies (#18236)
• 0d8ed70 v8.0.5
• 4cea20d Use built-in glob in Node.js (#18097)
• 1eac448 refactor: replace semver with verkit (#18145)
• 61bfda5 chore: Update prettier v3.9 (#18147)
• 6ce28e1 Add whitespace in source-map-visual tests (#18138)
• e441e7a fix: Remove isTSX from babel-plugin-syntax-typescript types (#18089)
• Additional commits viewable in compare view

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Project	Deployment	Actions	Updated
drafto	Ready	Preview	Sep 21, 2026 10:10pm UTC

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[JakubAnderwald]

Major version bump analysis

Package: @babel/core 7.29.7 → 8.0.6 (declared only in apps/desktop/package.json, but it is hoisted to the root node_modules/@babel/core, so mobile's Jest pipeline picks it up too)

CI status: ❌ Desktop Checks, ❌ Mobile Checks, ❌ E2E Tests (web) · ✅ Lint & Typecheck, Unit & Integration, Scripts, SonarCloud, Vercel

Breaking changes relevant to this codebase

• loadPartialConfig is now async-only. The sync form moved to loadPartialConfigSync. babel-jest@29.7.0 (@jest/transform) still calls the sync loadPartialConfig, so every Jest suite fails with "Starting from Babel 8.0.0, the 'loadPartialConfig' function expects a callback":
  • apps/desktop: jest.config.js (preset react-native → babel-jest). All suites fail, e.g. __tests__/providers/auth-provider.test.tsx, __tests__/lib/attachment-queue.test.ts
  • apps/mobile: jest.config.js (jest-expo → babel-jest). All suites fail, e.g. __tests__/screens/notebooks.test.tsx, __tests__/performance/sync-perf.test.ts
• Babel 7 plugins/presets don't work on Babel 8 core. Both apps/desktop/babel.config.js and apps/mobile/babel.config.js use @babel/plugin-proposal-decorators@7.29.7 (peer @babel/core ^7.0.0-0), babel-plugin-module-resolver, react-native-dotenv, and @react-native/babel-preset / babel-preset-expo, which pull in many @babel/*@7 transforms. Metro bundling for iOS/Android/macOS would hit the same incompatibilities.
• Desktop fossil risk: per docs/operations/desktop-build-fossil.md, desktop builds only from the primary checkout's frozen node_modules. Moving Babel's major version in the lockfile makes that fossil harder to reproduce.

Breaking changes NOT relevant

• Babel 8 is ESM-first and needs Node ≥ 20.19. CI's Node version already meets this, and nothing in our code require()s @babel/core directly.
• The listed parser, spec-compliance, and internal changes (Unicode 18 identifiers, Flow arrow-in-ternary parsing, bigint prefixes, lru-cache → flru, removed internal exports) don't touch any API we call.
• Web (Next.js/SWC) doesn't use Babel. The single E2E failure (1 failed / 2 flaky / 61 passed, Failed to parse URL from /api/notebooks/.../notes) looks like a web runtime issue that isn't connected to this bump. E2E on main is green, so it's probably flaky, but that isn't confirmed.

Peer dependency impacts

• babel-jest@29.7.0 peers on @babel/core ^7.8.0. Fixing this needs Jest 30 / a babel-jest release that supports Babel 8, plus a matching jest-expo.
• @babel/plugin-proposal-decorators needs ^7. It would have to move to 8.x in both apps/mobile and apps/desktop.
• babel-plugin-polyfill-corejs2 (via @react-native/babel-preset) peers on ^7.4.0 || ^8.0.0-0 <8.0.0, which excludes Babel 8 stable.
• @react-native/babel-preset@0.86.3 and babel-preset-expo would need releases that ship Babel 8 transforms. react-native-macos@0.81 (fossil) is unlikely to ever get one.

Recommendation

Not safe. Do not merge. The React Native, Expo and Jest ecosystem isn't ready for Babel 8 yet. Suggest closing with @dependabot ignore this major version and waiting until React Native/Expo and Jest officially support Babel 8. Mobile and desktop would then need to migrate together, keeping the desktop fossil constraint in mind.