…is it possible to display the trajectories a certain mesh/bone will follow during the animation playback? I mean, it would be nice to have the whole trajectory displayed on a single frame (or even better, the ability to display x frames layered in one 3d view)…hope that makes sense, it might be a nice addition to the animation system 
In 2.37 K shows only the keyframes of Mesh objects, but in 2.40 objects, armatures and bones will show path and keyframe info.
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That’s great news
Gotta love blender!
Thanks for your help!