A quick patch was released yesterday to address some issues that have recently effected players. It fixed problems with players getting stuck in load screens, invisible players in PvP and Asurian head sizes.
General
- Fixed a recently introduced issue that could cause some players to getting stuck in loading screens primarily during PVP matches
- Fixed a recently introduced issue that could cause some players to not see other characters models
- Restored Asuran head sizes to the size selected during character creation
- Fixed a bug with the Asuran character creation head size slider


I wonder if they are talking about the WvW render times or some other problem.