@babel/compat-data

:eyeglasses: Spec Compliance

• babel-parser

  • fix: raise SyntaxError for unparenthesized assert and assign (@fedeci)

  • fix: the LHS in for-of loop should not start with let (@JLHwung)

:bug: Bug Fix

• babel-parser

  • fix(ts): allow trailing comma after rest parameter in TSDeclareFunction (@fedeci)

• babel-plugin-proposal-do-expressions, babel-traverse

  • yield for do expression (@tanhauhau)

  • Refactor switch support in NodePath#getCompletionRecords (@JLHwung)

• Other

  • fix: do not filter report from functions within class elements (@JLHwung)

• babel-compat-data, babel-preset-env

  • Compile classes when spread is unsupported (@nicolo-ribaudo)

:nail_care: Polish

• babel-preset-env

  • [preset-env - debug] Print targets that need each plugin (@nicolo-ribaudo)

:house: Internal

• babel-plugin-transform-regenerator, babel-standalone

  • Align regenerator-transform import with native ESM (@nicolo-ribaudo)

• babel-helper-transform-fixture-test-runner

  • Do not load root babel.config.js in tests (@nicolo-ribaudo)

:running_woman: Performance

• babel-preset-env

  • perf: lazy load preset-env plugins (@JLHwung)