ObjectDock 2.1 periodically stops responding

Win 7, 64 bit.  Was a happy 1.9 user for many years.  Recently upgraded to the 2.1 version.  Beta was ok, but the official release periodically stops responding to mouse presses.  I've discovered that if I maximize windows repeatedly over the dock and press Control-ESC multiple times, it eventually recognizes mouse clicks again.

I've also noticed that frequently there are issues with DisplayFusion and ObjectDock using excessive CPU when both are running (this didn&...