same bug, more strange behaviour:
immediately after logging in, before moving to a workspace other than
#1, I click and drag the clip and only those dockapps which are not
omnipresent move following the dragged clip. I can right click on any
non omnipresent -thus dragging- dockapp to see its menu or double click
to start any of them and the dragging behaviour does not change. I
right click on an omnipresent unstarted dockapp and I correctly get its
menu. I toggle the onmipresent flag of an omnipresent dockapp making
it non-omnipresent. the dock does not by this start to move around
following the clip. yet I can right click and double click on it to
make it start. right clicking on a still omnipresent unstarted dockapp
makes all started or unstarted "unmovable" dockappse (the ones which
were omnipresent at startup) disappear. moving to workspace 2 make all
omnipresent dockapps reappear (the one I had made not omnipresent does
not reappear in either (1 or 2) workspaces). I restart the window
manager and the behaviour is back to normal. I find the "lost" dockapp
in workspace 4.
hope this helps.
Mario