If you want an update on Robin Peperman's Google Summer of Code work on Incubator improvements and language support, put this page on your watchlist:
https://www.mediawiki.org/wiki/User:SPQRobin/GSoC/notes
His blog post about starting: http://blog.robinpepermans.be/2012/05/google-summer-of-code.html
wikitech-l@lists.wikimedia.org