Vitest 4.1: Test Tags, Native Node.js Execution and AI Agent Reporter (opens in new tab)

Vitest 4.1, developed by VoidZero, enhances JavaScript testing with features like test tags for filtering and configuring tests, an experimental mode to bypass Vite's module runner, and new lifecycle hooks. It supports Vite 8 from the start. Notably, it reports improvements in performance compared to Jest. The release addresses issues and provides guides for migration. By Daniel Curtis