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chore(deps-dev): bump @babel/preset-env from 7.29.7 to 8.0.1 - #464

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chore(deps-dev): bump @babel/preset-env from 7.29.7 to 8.0.1#464
dependabot[bot] wants to merge 1 commit into
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dependabot/npm_and_yarn/babel/preset-env-8.0.1

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@dependabot dependabot Bot commented on behalf of github Jun 17, 2026

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Bumps @babel/preset-env from 7.29.7 to 8.0.1.

Release notes

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

v8.0.1 (2026-06-17)

This release includes a breaking change that was in the Babel 8 migration guide's Getting ready section and in the release post, but the actual removal of the feature from the codebase was accidentally not complete.

💥 Breaking Change

  • babel-core, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone

Committers: 2

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

💥 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
  • babel-plugin-transform-runtime, babel-runtime-corejs3, babel-runtime
  • babel-parser

🐛 Bug Fix

  • babel-generator
  • babel-plugin-transform-modules-systemjs

📝 Documentation

🏠 Internal

🏃‍♀️ Performance

Committers: 6

... (truncated)

Changelog

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

v8.0.1 (2026-06-17)

💥 Breaking Change

  • babel-core, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone

v8.0.0 (2026-06-16)

👓 Spec Compliance

💥 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
  • babel-plugin-transform-runtime, babel-runtime-corejs3, babel-runtime
  • babel-parser

🐛 Bug Fix

  • babel-generator
  • babel-plugin-transform-modules-systemjs

📝 Documentation

🏠 Internal

🏃‍♀️ Performance

v8.0.0-rc.6 (2026-05-25)

🐛 Bug Fix

🏠 Internal

  • babel-core
  • babel-compat-data, babel-register
  • babel-helper-transform-fixture-test-runner, babel-node

... (truncated)

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Note

Medium Risk
Major-version Babel preset bump affects production babel builds while core/cli stay on Babel 7, which can cause peer-dep or compile regressions despite minimal .babelrc config.

Overview
Upgrades the dev dependency @babel/preset-env from the 7.29.x line to 8.0.1 in package.json, with the lockfile refreshed to pull in the Babel 8 preset/plugin/helper tree (including stricter Node engine requirements on many nested packages).

This is a major Babel release for the build toolchain: polyfill wiring shifts (e.g. updated babel-plugin-polyfill-corejs3 / @babel/helper-define-polyfill-provider, and removal of older polyfill companion packages from the tree). The repo’s .babelrc still only enables @babel/preset-env with no extra options, but @babel/core and @babel/cli are unchanged at ^7.27.1, while preset-env 8 expects @babel/core ^8—worth confirming npm run build and tests still pass under that mix.

Reviewed by Cursor Bugbot for commit 5cde167. Bugbot is set up for automated code reviews on this repo. Configure here.

Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.29.7 to 8.0.1.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v8.0.1/packages/babel-preset-env)

---
updated-dependencies:
- dependency-name: "@babel/preset-env"
  dependency-version: 8.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Jun 17, 2026

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, have a team admin enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit 5cde167. Configure here.

Comment thread package.json
"@babel/cli": "^7.27.1",
"@babel/core": "^7.27.1",
"@babel/preset-env": "^7.27.1",
"@babel/preset-env": "^8.0.1",

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Node 20 vs preset engines

Medium Severity

@babel/preset-env@8.0.1 requires Node ^22.18.0 || >=24.11.0, but CircleCI runs Node 20.11 for install, build, test, and release. That unsupported combination can surface install warnings or runtime issues when Babel runs in CI.

Fix in Cursor Fix in Web

Reviewed by Cursor Bugbot for commit 5cde167. Configure here.

@dependabot @github

dependabot Bot commented on behalf of github Jun 19, 2026

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Superseded by #467.

@dependabot dependabot Bot closed this Jun 19, 2026
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dependabot Bot deleted the dependabot/npm_and_yarn/babel/preset-env-8.0.1 branch June 19, 2026 11:03
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