NewYour coding agent can read the release notes before it upgrades.Set up the MCP server →
npm · #3131 most downloaded on npm
Last release 16 days ago
18 Sep 2026
Release timing varies
gaps range from 8 days to 5 months
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
11 years old
337 releases · first in 2016
Nothing published for this version
Nothing published for this version
Nothing published for this version
One column per quarter.
Nothing published for this version
Nothing published for this version
Official release of snapshot tests.
toBe, toBeFalsy, toBeTruthy, toBeNaN, toBe{Greater,Less}Than{,OrEqual}, toBeNull, toBeDefined, toBeUndefined, toContain, toMatch, toBeCloseTo were rewritten.Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Added test global function as an alias for it.
test global function as an alias for it.coveragePathIgnorePatterns to the config.--verbose option and top level it calls.require('jest-check').jest.deepUnmock.Added duration of individual tests in verbose mode.
browser config option to properly resolve npm packages with a browser field in package.json if you are writing tests for client side appsjest-repl.jest-cli into jest-runtime and jest-config.--notify.TestRunner into SearchSource and improved the "no tests found" message.jest.isMockFunction(jest.fn()) to test for mock functions.jest.mock('Module', implementation, {virtual: true}).toMatchSnapshot().Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Added testRegex to match for tests outside of specific folders. Deprecated both testDirectoryName and testFileExtensions.
jest package on npm.testRegex to match for tests outside of specific folders. Deprecated both testDirectoryName and testFileExtensions.it can now return a Promise for async testing. pit was deprecated.jest-resolve as a standalone package based on the Facebook module resolution algorithm.jest-changed-files as a standalone package to detect changed files in a git or hg repo.--setupTestFrameworkFile to cli.module.filename and removed the invalid module.__filename field.lastCalledWith and toBeCalledWith custom matchers. They now print the most recent calls.Bug fixes when running a single test file and for scoped package names.
Added custom equality matchers for Map/Set and iterables.
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Your coding agent can read these notes before it upgrades. Set up the MCP server →