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Unfortunately, it's a bug: https://developer.blender.org/T60079. You would have to switch back to 2.79 if you want this feature to work properly.


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You need to cache the physic animation: Go to Scene Properties. Go to Rigid Body World. Under Cache, delete all bakes and then click on Bake All Dynamics. You can now render your video.


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It seems like some cache conflict. Notes: The glass jar should be Physics Properties > Rigid Body > Collision > type Mesh (not Convex because it should behave like filled object, but it didn't, hmm ...) it is always better to Apply Scale (Ctrl+A) to avoid weird behaviour of boundaries only make a difference if Substeps is changed from 4 to 1 (but ...


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