Created attachment 179631 [details] include Help ‣ Show system information and Help ‣ Show krita log.Both saved to single file *** If you're not sure this is actually a bug, instead post about it at https://discuss.kde.org If you're reporting a crash, attach a backtrace with debug symbols; see https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports Please remove this comment after reading and before submitting - thanks! *** SUMMARY unexpected exit of screen mode when enter canvas-only mode in full screen when title bar is set to be hidden in related preference STEPS TO REPRODUCE 1. open krita 2. open any picture(or create a new one) 3. open Preference, make sure "canvas-only settings"-"Titlebar" is ticked 4. enter full screen mode via buttons in upper left corner of the window ( the green round button provided by macOS ) 5. enter canvas-only mode via shortcut or menu, then do it again to exit canvas-only mode OBSERVED RESULT krita exit canvas-only mode and exit full screen ( that is to say, it back to a window ) EXPECTED RESULT krita will exit canvas-only mode but stay at full screen when entered canvas-only mode in full screen SOFTWARE/OS VERSIONS macOS: 15.3.2 (24D81) ADDITIONAL INFORMATION when disable Titlebar in Preference, the program will stay at full screen when exit a canvas-only mode which is entered from full screen mode. This is the behavior I hope it can have