Joe Fabisevich 
I hit ⌘ + ⇪ + K in Xcode when I meant to hit ⌘ + ⇪ + U and now I feel very stupid with plenty of time to post about it on Mastodon.
Tom Insam@mergesort today I discovered that the “close project” keyboard shortcut is one key different from the “log out the current user immediately” shortcut.