jest-util

babel-jest: Remove retainLines argument to babel.

jest-runtime: Provide require.main property set to module with test suite

jest-haste-map: Parallelize Watchman calls in crawler

jest-editor-support: Update TypeScript definitions

jest-runtime: Deprecate mapCoverage option.

babel-jest: Add option to return sourcemap from the transformer separately from source.

jest-validate: Add ability to log deprecation warnings for CLI flags.

jest-serializer: Added new module for serializing. Works using V8 or JSON

expect: Add descriptive error message to CalledWith methods when missing optional arguments

jest-util: Add the following methods to the "console" implementations: assert, count, countReset, dir, dirxml, group, groupCollapsed, groupEnd, time, timeEnd

jest-editor-support: Add watchAll flag

jest-cli: Support multiple glob patterns for collectCoverageFrom

jest-cli: Fix inability to quit watch mode while debugger is still attached

jest-haste-map: Properly handle platform-specific file deletions

jest-worker: Assign a unique id for each worker and pass it to the child process. It will be available via process.env.JEST_WORKER_ID

jest-docblock: Support multiple of the same @pragma.

jest-runner: Move test summary to after coverage report

jest-cli: Added --notifyMode to specify when to be notified.

diff-sequences: New package compares items in two sequences to find a longest common subsequence.

jest-matcher-utils: Add comment option to matcherHint function

jest-util: Add "debug" method to "console" implementations

jest-resolve: Add condition to avoid infinite loop when node module package main is ".". (#5344))

jest-cli: --changedSince: allow selectively running tests for code changed since arbitrary revisions.