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⚡️ Yes! Vitest is generally faster than Jest -- but is feedback speed the only factor that matters? If you are still on the fence about switching to Vitest, here are 15+ reasons that will convince you! 📝 cookbook.marmicode.io/angular/why-... #javascript #angular #testing

Great post! Vitest does indeed allow users to choose the isolation mode and parallelization method (process, threads) based on their needs. The VM isolation on Vitest has same issues as Jest; node:vm leaks memory and we need to restart forks/threads when a certain limit is reached to prevent OOM.