v25.5.1

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Fixes

• [jest-haste-map] Add missing @types/graceful-fs dependency (#​9913)
• [jest-runner] Correctly serialize Set passed to worker (#​9915)
• [jest-runtime] Vary ESM cache by query (#​9914)

v25.5.0

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Features

• [@jest/globals] New package so Jest's globals can be explicitly imported (#​9801)
• [jest-core] Show coverage of sources related to tests in changed files (#​9769)
• [jest-runtime] Populate require.cache (#​9841)

Fixes

• [*] Use graceful-fs directly in every package instead of relying on fs being monkey patched (#​9443)
• [expect] Prints the Symbol name into the error message with a custom asymmetric matcher (#​9888)
• [jest-circus, jest-jasmine2] Support older version of jest-runtime (#​9903 & #​9842)
• [@jest/environment] Make sure not to reference Jest types (#​9875)
• [jest-message-util] Code frame printing should respect --noStackTrace flag (#​9866)
• [jest-runtime] Support importing CJS from ESM using import statements (#​9850)
• [jest-runtime] Support importing parallel dynamic imports (#​9858)
• [jest-transform] Improve source map handling when instrumenting transformed code (#​9811)

Chore & Maintenance

• [docs] Add an example for mocking non-default export class

Performance

• [jest-resolve] Update resolve to a version using native realpath, which is faster than the default JS implementation (#​9872)
• [jest-resolve] Pass custom cached realpath function to resolve (#​9873)
• [jest-runtime] Add teardown method to clear any caches when tests complete (#​9906)
• [jest-runtime] Do not pass files required internally through transformation when loading them (#​9900)
• [jest-runtime] Use Maps instead of object literals as cache holders (#​9901)

v25.4.0

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• [expect] Support async functions in toThrow (#​9817)
• [jest-console] Add code frame to console.error and console.warn (#​9741)
• [jest-runtime, jest-jasmine2, jest-circus] Experimental, limited ECMAScript Modules support (#​9772 & #​9842)

Fixes

• [expect] Restore support for passing functions to toHaveLength matcher (#​9796)
• [jest-changed-files] --only-changed should include staged files (#​9799)
• [jest-circus] Throw on nested test definitions (#​9828)
• [jest-each] each will throw an error when called with too many arguments (#​9818)
• [jest-runner] Don't print warning to stdout when using --json (#​9843)

Chore & Maintenance

• [*] Do not generate TypeScript declaration source maps (#​9822)
• [*] Transpile code for Node 8.3, not 8.0 (#​9827)

v25.3.0

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Features

• [babel-jest] Support passing supportsDynamicImport and supportsStaticESM (#​9766)
• [babel-preset-jest] Enable all syntax plugins not enabled by default that works on current version of Node (#​9774)
• [jest-circus] Enable writing async test event handlers (#​9397)
• [jest-runtime, @​jest/transformer] Support passing supportsDynamicImport and supportsStaticESM (#​9597)

Chore & Maintenance

• [*] Replace anys with unknowns (#​9626)
• [@jest/transform] Expose type CacheKeyOptions for getCacheKey (#​9762)
• [@jest/types] Correct type testRegex for ProjectConfig (#​9780)

v25.2.6

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Chore & Maintenance

• [*] 25.2.5 was published without changes from 25.2.4 - 25.2.6 includes all changes from that version.

v25.2.4

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Features

• [jest-message-util] Check for common errors when using the wrong test environment (#​8245)

Fixes

• [jest-circus] Fix type elision of jest-runtime imports (#​9717)
• [@jest/transform] Fix coverage reporter for uncovered files without transformers, reverting #​9460 (#​9724)