This has been resolved in the Debian version of the packaging. Here is the relevant piece from the bzr import of the svn branch.
timestamp: Sun 2010-11-28 05:49:49 +0000 message: Added html5 codecs support in mime.types, #605212 modified: changelog conf/mime.types -- nginx mimetypes missing for webm and ogg https://bugs.launchpad.net/bugs/674224 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs