Closely relates to MC-136703.

The bug

If a replaceable block is replaced by a cobweb because a mob with Weaving died, nothing will drop from that block if applicable, nor will it make any breaking sounds or create particles.

How to reproduce

1. Kill a mob with Weaving such that it would produce cobwebs where some replaceable blocks are
2. Observe

Expected results

To hear the sounds of the replaced blocks breaking, for breaking particles to be generated, and, if that block would have produced an item drop if broken, for it to drop accordingly.

Actual results

None of that happens.