HI,

sometimes in like 2/8 cases objects fall through ConcaveMeshShape.
In my case the bounding volumes are just BoxShapes.

I have an example video where you can see the issue:

• https://www.youtube.com/watch?v=hCFecUVEDQs&feature=youtu.be

I can provide another video if interested.

Many thanx and

Best regards
Andreas