ok yes after using openscad consistently for several days now, i get recurrence of this well-known behaviour quite frequently. if i was to put an arbitrary percentage on it, it would be about... 2% (1-in-50) of every attempted move/rotate operation with the mouse.
anyway, main point of this bugreport is to alert you: it's not openscad, it's definitely a dependency *of* openscad. l.
