@Rich Wales, copied flag icons(from internet) to ~/.icons/flags and set the option /desktop/gnome/peripherals/keyboard/indicator/showFlags to true, but I don't think it matters, cause people reported this bug with text indicator as well.
@Rich Wales, copied flag icons(from internet) to ~/.icons/flags and set the option /desktop/ gnome/periphera ls/keyboard/ indicator/ showFlags to true, but I don't think it matters, cause people reported this bug with text indicator as well.