Improve the default theme, promote warnings to errors, add ESM distribution.
Archive: 2026
The Road to QUnit 3
What's new since QUnit 2.0? Step API, data providers, assert.propContains(), global hooks, and more.
First Look at the QUnit 3 Theme
Accessibility, a refined color palette, and various usability improvements.
Instant render and early errors with QUnit 3
QUnit 3 renders the UI significantly faster.
QUnit 2.26.0 Released: Return from assert.rejects
Introduce return values to assert.rejects() and assert.throws(), and support loading local reporter scripts.