See Windows ➤ Single window mode.
To reset and manage your window positions (and general settings) see https://www.gimp-forum.net/Thread-Managi...-positions
See the Lock brush to view option in the various paint tools (paintbrush, pencil, eraser, airbrush, clone...)
To reset and manage your window positions (and general settings) see https://www.gimp-forum.net/Thread-Managi...-positions
See the Lock brush to view option in the various paint tools (paintbrush, pencil, eraser, airbrush, clone...)