Today sees the fourth pre-release of Aranha — “The Kaldorei Spider Kabob”.
Aranha is a FastCGI responder based on the Lua programming language and is under heavy development. The language has been extended and various other joyful changes have occurred since the previous release a month ago.
The HISTORY file details the major changes.
I encourage you to get a copy and have a good play. You can find a tarball to download here so the only excuse is not knowing how to configure your webserver to have a fastcgi responder. Also if you like Bazaar-NG and want to have a play with the history of aranha, you can get a devtree by following the instructions on the aranha software page linked above.