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@jest/transform

30.5.2 · 18 Sep 2026MIT80.4M / weekRepositoryHomepagenpmAtom feed

Upgrading @jest/transform From 29.6.2 to 29.7.0

3 releases in betweenevery note read

Reading releases, release notes and advisories…

Other targets from 29.6.2Latest30.5.2
  1. 29.6.2yours
  2. 29.6.3breaking
  3. 29.6.4
  4. 29.7.0target

Before you upgrade

Tick each one off as you go
  • breaking29.6.3

Release by release

  1. 29.7.0

    12 Sep 20233 new · 3 fixes
    • new

      create-jest: Add npm init / yarn create initialiser for Jest projects

    • new

      jest-validate: Allow deprecation warnings for unknown options

    • new

      @jest/create-cache-key-function: Cache access of NODE_ENV and BABEL_ENV

    • fixed

      jest-resolver: Replace unmatched capture groups in moduleNameMapper with empty string instead of undefined

    • fixed

      jest-snapshot: Allow for strings as well as template literals in inline snapshots

    • fixed

      @jest/test-sequencer: Calculate test runtime if perStats.duration is missing

  2. 29.6.4

    24 Aug 20232 fixes
    • fixed

      jest-environment-node: Make sure atob and btoa are writeable in Node 20

    • fixed

      jest-worker: Additional error wrapper for parentPort.postMessage to fix unhandled DataCloneError.

  3. 29.6.3

    Migration needed21 Aug 20236 fixes
    • breaking

      jest-mock: Revert #13692 as it was a breaking change

    • fixed

      expect, @jest/expect-utils: ObjectContaining support symbol as key

    • fixed

      expect: Remove @types/node from dependencies

    • fixed

      jest-core: Use workers in watch mode by default to avoid crashes (#14059 & #14085).

    • fixed

      jest-reporters: Update istanbul-lib-instrument dependency to v6.

    • fixed

      @jest/reporters: Marks Reporter's hooks as optional

    • fixed

      jest-runtime: Fix dynamic ESM import module bug when loaded module through jest.isolateModulesAsync

3 internal lines (docs, tests, tooling) left out.