NewYour coding agent can read the release notes before it upgrades.Set up the MCP server →
npm · #482 most downloaded on npm
Display differences clearly so people can review changes confidently.
Last release 2 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Nothing withdrawn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
10 years old
255 releases · first in 2016
See https://jestjs.io/blog/2016/09/01/jest-15.html
.spec.js and .test.js as test files.--env option to override the default test environment.--watchAll, made --watch interactive and added the ability to update snapshots and select test patterns in watch mode.testEnvironment resolution to prefer jest-environment-{name} instead of {name} only. This prevents a module colision when using jsdom as test environment.moduleNameMapper now uses a resolution algorithm.global.global to the node environment.mock.collectCoverageFrom to collect code coverage from untested files.One column per quarter.
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
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
Your coding agent can read these notes before it upgrades. Set up the MCP server →