Pieces of the game including Haven and Lobby are just gone, i.e. transparent/invisible.
Also, some structure surfaces are replaced with a black piece with a red "ERROR with them, most noticeable in the lobby.
I had this after the patch but tried to get
(I did try to reinstall my graphics, 6370M and also using Java version 7U12B08 in C:\Program Files (x86)\Steam\steamapps\common\Spiral Knights\java_vm).
Graphic issues after 16th Jan 2013 patch
Thu, 01/17/2013 - 03:09
Nightmaredreamer
Try reinstalling the game? Problem here is missing graphics, probably a bugged patching or a unfinished patcher.