UltraEdit, UltraCompare, UEStudio forums

Hi, I have the following problem since UltraEdit 20.00.0.1056. I cut some text with Ctrl+X, save the document. When I undo the change with Ctrl+Z in the first step no undo is done, instead one ore more squares are displayed, hitting Ctrl+Z again does the undo. Then I delete the square. When I try to...