This page has some more helpful explanation https://blog.stackblitz.com/posts/introducing-webcontainers/ https://blog.stackblitz.com/posts/introducing-webcontai

This page has some more helpful explanation https://blog.stackblitz.com/posts/introducing-webcontainers/ https://blog.stackblitz.com/posts/introducing-webcontainers/ It has some nice features like native back-end debugging for things like Next.js apps.