We used this to build an interactive cli in the browser for Seam, and I’m currently working on using it to host a local typescript language server for tscircuit so that the playground has autocomplete. Imo a very useful technology

We originally thought the same but a few years back started seeing increasing demand outside of stackblitz itself.

Surprisingly a very large and growing number of use cases across interactive edu tools, AI code execution (https://webcontainers.io/ai), SaaS dev envs for end users to write code, amongst others