There is not a "New Tab" option in the file menu of GNOME Terminal anymore on Ubuntu Bionic. It looks like it disappeared after some recent update. However, the CTRL + Shift + T shortcut works as expected.
There is not a "New Tab" option in the file menu of GNOME Terminal anymore on Ubuntu Bionic. It looks like it disappeared after some recent update. However, the CTRL + Shift + T shortcut works as expected.