cmd + w should close the window (but not quit the app) but at the moment it seems not to be doing anything
Solved
Cmd + w not working on macOS app 95.7 - Big Sur 11.2.1
Best answer by Gleb
Cmd + W doesn’t close the window, it closes the tab, and you can’t close the main tab. To close the window, press Shift + Cmd + W.
Reply
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.