While deleting(move to trash) a file or folder of bigger size (for example a 5.5 gb folder in an 8 gb pen drive), the following error message appears "The trash has reached its maximum size! Cleanup the trash manually.". No option for 'permanent delete' and 'format the disk' is shown/available. Also 'Format' option not available. So forced to use other file managers
Works for me in KDE Frameworks 5.45.