Tried that one too. It needs a Target, can’t be left as “self”. Tried to wire in the “K2 Get Root Component” and the “Static Mesh Component” too, but neither of them worked for a reason. Any further guess?
Ok, found the root cause. It is actually in the way the BP Motion Controller handles the release. Before invoking the Interface Drop function, it checks that the object attached to the hand is still there. Since you are attaching it to the HandMesh and not to the Motion Controller component, the check fails every time and the Drop event is never called. See below.
Thanks for your efforts! Yes, this was the cause. I wonder if it would have been easier to start with an empty project, and write these myself, but this’s my first VR project, so I didn’t dare to.