The recent point update for Ubuntu precise updated grub2: https://launchpad.net/ubuntu/+source/grub2/1.99-21ubuntu3.10 Since we have patched grub2 in UCC we need to rebuild our grub2 and release it as an errata update before we can sync the mirror.
The new version was imported and built with the existing patches.
2013-08-27-grub2.yaml
Advisory: OK Installation (i386): OK Tests (i386): OK
http://errata.univention.de/ucc/1.0/25.html