*What is your operating system?
OSX 10.15.5, macbook pro
What is your Shotcut version (see Help > About Shotcut)? Is it 32-bit?
Can you repeat the problem? If so, what are the steps?
dragging clips across the timeline feels like mouse events are registering at a different place. clips jump tracks, play head moves instead of clips, clips move at a different rate than the mouse, position flickers. tends to destroy recent edits, which don’t undo.