You can write Rust extensions to Python as well, though the higher-level interfaces aren't quite as far along in Python yet. There was a talk about it at PyCon last year.
Ah, I actually forgot about the rust-cpython package. The project is alive and it works with python3, too.
That brings me to another point I want to make. There is no community-breaking divide between ruby versions. People usually pretty easily port their 1.9 gems to newer 2.x APIs without breaking much.
That brings me to another point I want to make. There is no community-breaking divide between ruby versions. People usually pretty easily port their 1.9 gems to newer 2.x APIs without breaking much.