Is Vitest 5 Faster Than Vitest 4? We Timed It
Vitest 5 upgrade decision with ShopperCove timing: 20-file forks suite median ~512 ms on 5.0.3 vs ~547 ms on 4.1.10 (Node 22.20.0). Engines require Node 22.12+ and Vite 6.4+. clearMocks defaults true. No affiliate.
5 Oct 20264 min read