Another point release of Ubuntu Studio 12.04 is out. For Ubuntu Studio users this is merely a new ISO build containing all security updates up until now. If you have 12.04 already installed, you will have received all updates from regular system updates.
The ISO is avilable at our download page.
You may read more about changes since 11.10 here https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/UbuntuStudio.