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Babel v8.0.0-alpha.3

Babel: v8.0.0-alpha.3 Release

Release date:
September 26, 2023
Previous version:
v8.0.0-alpha.2 (released August 9, 2023)
Magnitude:
4,900 Diff Delta
Contributors:
13 total committers
Data confidence:
Commits:
108 impacting commits

81 Features Released with v8.0.0-alpha.3

Add `createImportExpressions` parser option
#15682
Add support for optional chain in assignments
#15751
Add explicit `.ts`/`.js` extension to all imports in `src`
#15892
Implement `import defer` proposal transform support
#15878
Disallow sync `createConfigItem`, `loadPartialConfig`, `loadOptions` usage
#15869
Improve helper-fixtures
#15890
[babel 8] Use ESM-based `chalk@5`
#15792
extract more test helpers to repo-utils
#15902
Visualize source maps in tests
#15931
Support transforming `import source` for wasm
#15870
Fully support `||` and `&&` in `pluginToggleBooleanFlag`
#15961
enable jest/no-standalone-expect
#15872
Implement `import defer` parsing support
#15845
Simplify parser errors creation
#15884
Update `jest-light-runner`, enable `source-map-support`
#15883
Implement the "decorator metadata" proposal
#15895
Avoid dynamic require call in preset-env
#15907
Revert "Improve output when wrapping functions"
#15979
Add babel types docs update workflow
#15953
Improve output when wrapping functions (e.g. `async` functions)
#15922
bump json5, terser and webpack, further minimize babel helpers
#15833
Use Babel 8.0 alpha to build babel
#15846
[babel 8] Update `v8flags`
#15908
Add `rewriteImportExtensions` option to TS preset
#15913
Fix compatibility with Node.js 20.6
#15947
fix: definition of TS function type params
#15867
Update actions/checkout action to v4
#15926
Only perform config loading re-entrancy check for cjs
#15923
Inline `exports.XXX =` update in simple variable declarations
#15984
[babel 8] Remove `-d`/`-gc` babel-node aliases
#15956

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Top Contributors in v8.0.0-alpha.3

nicolo-ribaudo
JLHwung
liuxingbaoyu
jjonescz
lorenzoferre
danez
yukukotani
renovate-bot
dhlolo
jordanbtucker

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Release Notes Published

v8.0.0-alpha.3 (2023-09-26)

:boom: Breaking Change

  • babel-node
  • babel-core
    • #15869 Disallow sync createConfigItem, loadPartialConfig, loadOptions usage (@JLHwung)

:house: Internal

Committers: 4

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