What's the state of using this with non-Python languages?
In practice, different kernels have various oddities or holes in their implementation of the spec. I'm accommodating them when I can and posting issues when I can't. Let me know if you find a kernel that doesn't work!
How is the Ruby support? A Rails console in the file I'm writing sounds epic. No longer would I need to clumsily suck the interesting lines back out of irb history using copy/paste.
Looks active: https://github.com/SciRuby/iruby I'll have to try it.
It looks like they got it working with python2, then the switch to python3 broke everything.
Hopefully in a few months the python3 version will work better than the python2 version.