It's a similar subset to mruby, and it might well end up influencing mruby, which does have its users. But it's almost a different language in some ways.

> It's a similar subset to mruby...

This is what I've been wondering after only a cursory glance ("It...generates optimized C code" from the OP). Interesting that mruby itself got a major version update around the same time (in just the past few days) https://github.com/mruby/mruby/blob/master/doc/mruby4.0.md