UP 2013.05.06 is now synchronized with production, and you can update your systems.
The Update Manager will be updated first, and after the Update Manager restarts, the Update Pack is available.
Take a look at the Update Pack info before you start the upgrade.
The upgrade has been tested successfully on SolydX and SolydK.
You can get help and post any UP related issues here: http://forums.solydxk.com/viewtopic.php?f=32&t=542