I have been noticing that when i have one ST3 window fullscreen and another not fullscreen, only the fullscreen window has a working sidebar. In the other I see this: cl.ly/image/280Z1n412O0g or the sidebar will just have the folder title. I can still edit the project just fine but switching/opening projects in the non-fullscreen window does not refresh the sidebar properly. The only remedy I have found is to quit ST3 and restart the program.
I did some searching but didn’t find anything similar. If this is a well known bug, I apologize and wouldn’t mind being pointed in the right direction.