Not a drop-in replacement: the OCI image entry point is not automatically executed.

Issue opened in 2021: https://github.com/weaveworks/ignite/issues/874

Doesn't seem to be actively developed. Last commit is over 4 months

It's pretty much unmaintained, but it does still work!

Yeah, I think it's strange that no one wants to improve on something like this. I can see a lot of use cases where you would want to just use one kubernetes cluster but have support for multi-tenancy with pods being isolated.