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@dependabot dependabot bot commented on behalf of github Sep 29, 2025

Bumps jest from 29.7.0 to 30.2.0.

Release notes

Sourced from jest's releases.

30.2.0

Chore & Maintenance

  • [*] Update example repo for testing React Native projects (#15832)
  • [*] Update jest-watch-typeahead to v3 (#15830)

Features

  • [jest-environment-jsdom-abstract] Add support for JSDOM v27 (#15834)

Fixes

  • [babel-jest] Export the TransformerConfig interface (#15820)
  • [jest-config] Fix jest.config.ts with TS loader specified in docblock pragma (#15839)

30.1.3

Fixes

  • Fix unstable_mockModule with node: prefixed core modules.

30.1.2

Fixes

  • [jest-snapshot-utils] Correct snapshot header regexp to work with newline across OSes (#15803)

30.1.1

Fixes

  • [jest-snapshot-utils] Fix deprecated goo.gl snapshot warning not handling Windows end-of-line sequences (#15800)

30.1.0

Features

  • [jest-leak-detector] Configurable GC aggressiveness regarding to V8 heap snapshot generation (#15793)
  • [jest-runtime] Reduce redundant ReferenceError messages
  • [jest-core] Include test modules that failed to load when --onlyFailures is active

Fixes

  • `[jest-snapshot-utils] Fix deprecated goo.gl snapshot guide link not getting replaced with fully canonical URL (#15787)
  • [jest-circus] Fix it.concurrent not working with describe.skip (#15765)
  • [jest-snapshot] Fix mangled inline snapshot updates when used with Prettier 3 and CRLF line endings
  • [jest-runtime] Importing from @jest/globals in more than one file no longer breaks relative paths (#15772)

Chore

  • [expect] Update docblock for toContain() to display info on substring check (#15789)

30.0.2

What's Changed

... (truncated)

Changelog

Sourced from jest's changelog.

30.2.0

Chore & Maintenance

  • [*] Update example repo for testing React Native projects (#15832)
  • [*] Update jest-watch-typeahead to v3 (#15830)

Features

  • [jest-environment-jsdom-abstract] Add support for JSDOM v27 (#15834)

Fixes

  • [babel-jest] Export the TransformerConfig interface (#15820)
  • [jest-config] Fix jest.config.ts with TS loader specified in docblock pragma (#15839)

30.1.3

Fixes

  • Fix unstable_mockModule with node: prefixed core modules.

30.1.2

Fixes

  • [jest-snapshot-utils] Correct snapshot header regexp to work with newline across OSes (#15803)

30.1.1

Fixes

  • [jest-snapshot-utils] Fix deprecated goo.gl snapshot warning not handling Windows end-of-line sequences (#15800)
  • [jest-snapshot-utils] Improve messaging about goo.gl snapshot link change (#15821)

30.1.0

Features

  • [jest-leak-detector] Configurable GC aggressiveness regarding to V8 heap snapshot generation (#15793)
  • [jest-runtime] Reduce redundant ReferenceError messages
  • [jest-core] Include test modules that failed to load when --onlyFailures is active

Fixes

  • [jest-snapshot-utils] Fix deprecated goo.gl snapshot guide link not getting replaced with fully canonical URL (#15787)
  • [jest-circus] Fix it.concurrent not working with describe.skip (#15765)
  • [jest-snapshot] Fix mangled inline snapshot updates when used with Prettier 3 and CRLF line endings
  • [jest-runtime] Importing from @jest/globals in more than one file no longer breaks relative paths (#15772)

... (truncated)

Commits

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@dependabot dependabot bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels Sep 29, 2025
@jazzberry-ai
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jazzberry-ai bot commented Sep 29, 2025

Bug Report

Name Severity Example test case Description
Potential changes in expect matcher behavior Medium Any test case using expect matchers (e.g., toBe, toContain) The upgrade to Jest 30 might have changed the behavior of expect matchers, leading to unexpected test failures.
Potential changes in mock behavior Medium Any test case using mocking functions (e.g., jest.mock, jest.spyOn) The upgrade to Jest 30 might have affected the behavior of mocking functions, causing tests to fail.

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@makrsmark
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@dependabot rebase

Bumps [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) from 29.7.0 to 30.2.0.
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v30.2.0/packages/jest)

---
updated-dependencies:
- dependency-name: jest
  dependency-version: 30.2.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot force-pushed the dependabot/npm_and_yarn/jest-30.2.0 branch from 32c1c4e to 5f86fb8 Compare October 16, 2025 12:37
@jazzberry-ai
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jazzberry-ai bot commented Oct 16, 2025

Bug Report

Name Severity Example test case Description
Snapshot Mismatch Medium Run any snapshot test. The upgrade to Jest 30.2.0 might introduce changes that cause snapshot tests to fail. This could be due to changes in the formatting of the output or the way Jest handles snapshots. Review and update snapshots if necessary.
Configuration Error Low Run any test. Some configuration options in jest.config.ts might be deprecated or have changed in Jest 30.2.0. This could lead to errors during test execution. Review the Jest documentation and update the configuration file accordingly.

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@jazzberry-ai
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jazzberry-ai bot commented Oct 16, 2025

Bug Report

Name Severity Example test case Description
Jest update caused test timeouts Medium Run npm test After updating jest from 29.7.0 to 30.2.0, the tests timeout. This may be due to a breaking change or performance regression in the new jest version.

Comments? Email us.

@makrsmark makrsmark merged commit 76ef40b into master Oct 16, 2025
11 checks passed
@dependabot dependabot bot deleted the dependabot/npm_and_yarn/jest-30.2.0 branch October 16, 2025 12:44
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