Pythonistas all know about Unladen Swallow, the blazingly fast heavily optimized implementation of Python. It’s sponsored by Google1 and used extensively internally as well as in the App Engine. Like App Engine itself, it’s limited to Python 2.5, which is annoying at best for those of us who really love Py3k.
A couple days ago, I stumbled onto a post by Jesse Noller that had some really great news. Unladen Swallow is going to be merged into the Py3k branch!
…a PEP is coming, proposing Unladen Swallow be merged back to Python-core …