As well as a new build of the Media Center edition of My Movies there is also a new build of My Movies Home and Essentials Server (formally knows as My Movies for Windows Home Server). Version 2.13 just has a couple of fixes in it, a fix for AnyDVD and a change to the backup method to reduce out of memory errors.
Details and the download from MyMovies.dk
My Movies Home and Essentials Server Solution – Changelog
My Movies Home and Essentials Server Solution 2.13 – Build 2
Fix: AnyDVD registration was broken.
Fix: Changes to the backup method, to hopefully resolve out of memory errors for some users.