How can you tweak Alt+Tab in Gnome 3 so it will iterate windows only in the current monitor?
If you faced the same issue when bought second monitor, the answer is quite simple. To make the Alt+Tab switcher show on the current monitor where the cursor is located and list only windows located on that monitor, just use the following GNOME extension: Current screen only on window switcher.
It says: “Limits the windows shown on the switcher to those of the current monitor”. So how much simpler can it be than that?
All you have to do is just to install the extension and you’re done. Now Alt+Tab will show windows with open applications only on the currently active monitor.
If you want to switch windows on the active workspace only you can find out how to do it in this guide.