I do a lot of crafting, and that involves switching between multiple crafts to create various other components. A bug I've noticed on PC is that if you attempt to open up the crafting log at the same time as changing class (By pressing the keyboard shortcut 'N' and clicking on a macro to swap class) the game halts with a 'pure virtual function call' error. and promptly boots you immediately to the desktop.

Not a deal breaker, but worth a look by the tech team.