Most of the time Visual Studio seems to work fine. But occasionally, it gets into a funky editing state. I can still type, but I can't move the cursor with the arrow keys. The arrow keys instead seem to take the focus off the editing window. The backspace doesn't work, but the delete key does. The only solution I have found so far is to close all open documents and reopen them.
Is this a bug, or one of those invisible "features" that just seems a lot like a bug? If not a bug, is there a way to toggle out of this state? Otherwise, is there a fix or patch for this?