Just updated from I think 2.4.2 to 2.4.4 and it seemed to go fine. Got the slightly rearranged QuickBox interface.
A few minutes later I tried to look at it again and I am getting 500 errors. Same with deluge. But strangely enough the rutorrent page still works.
Thought it must need a reboot after updating, but its still the same afterwards. Tried connecting from another server I have just to rule out something wrong with my local connection and still doesnt work.