Over the last update or two I've developed issues on my system dragging folders/files from one window/pane to another using right click drag. Unable to drag files to copy or move using this method.
I'm selecting files with left mouse button down and release. I'm right-clicking on selected files and attempting to drag. If I right click and drag repeatedly after each fail, occasionally 3-5 times later I'll find it will co-operate as expected.
I am aware of the File Display Modes\Power Mode Buttons options in Directory Opus' Preferences.
My current settings: