@jest/types

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

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

expect: Remove @types/node from dependencies

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

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

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

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

jest-circus: Revert #14110 as it was a breaking change

*: Update semver dependency to get vulnerability fix

jest-circus, jest-snapshot: Add support for snapshot matchers in concurrent tests

jest-cli: Include type definitions to generated config files

jest-snapshot: Support arrays as property matchers

jest-changed-files: Support Sapling

jest-circus, @jest/cli, jest-config: Add feature to randomize order of tests via CLI flag or through the config file

[jest-cli, jest-config, @jest/core, jest-haste-map, @jest/reporters, jest-runner, jest-runtime, @jest/types] Add workerThreads configuration option to allow using worker threads for parallelization

jest-cli: Export yargsOptions

expect: Update toThrow() to be able to use error causes

jest-core: Allow to use workerIdleMemoryLimit with only 1 worker or runInBand option

jest-message-util: Add support for error causes (#13868 & #13912)

jest-runtime: Revert import assertions for JSON modules as it's been relegated to Stage 2

@jest/core: Instrument significant lifecycle events with performance.mark()

jest-circus: Added explicit mention of test failing because done() is not being called in error message

expect, @jest/expect: Provide type of actual as a generic argument to Matchers to allow better-typed extensions

jest-runtime: Handle CJS re-exports of node core modules from ESM

jest-transform: Downgrade write-file-atomic to v4

jest-worker: Ignore IPC messages not intended for Jest

expect, jest-circus, @jest/types: Implement numPassingAsserts of testResults to track the number of passing asserts in a test

jest-core: Add newlines to JSON output

@jest/reporters: Automatic log folding in GitHub Actions Reporter

@jest/types: Add partial support for done callbacks in typings of each

@jest/expect-utils: toMatchObject diffs should include Symbol properties

jest-runtime: Handle missing replaceProperty

expect, @jest/expect-utils: Support custom equality testers

jest-config, jest-worker: Use os.availableParallelism if available to calculate number of workers to spawn

@jest/globals, jest-mock: Add jest.replaceProperty() that replaces property value

jest-haste-map: Ignore Sapling vcs directories (.sl/)