Bukkit

My understanding of the 'thinMobs' feature is to do exactly that and be applicable only to mobs(?), given the name of the feature. However, I've discovered that when the 'thinAt' value is reached, additional particular entities that appear in the chunk are then affected by the 'thinAt' value regardless of if it is a 'mob' or not. This has caused some grief with players losing shulker boxes as, once mined, the dropped entity instantly disappears due to the chunk they're in already being at 'thinAt' capacity.

I've struggled to replicate the issue by just dropping items on to the floor alone, to hit the thinAt value. But the thinAt value can be hit with entity cramming mine carts and peaceful/hostile mobs, and then doesn't allow any type of entity to be used/dropped in the chunk i.e. rockets, spawn eggs, eggs, broken blocks.

To re-create, I recommend creating a fenced off area in a chunk and spawning mobs into it, I used chickens with a spawn egg, until you see it no longer allows you to spawn any more. Then, place a few blocks in that same chunk, mine them, and watch them disappear once mined. Or chuck items from your inventory into the chunk while standing in the chunk. Or try and use a rocket. Or throw an egg or snowball.

Weirdly, you can throw items into the 'at capacity' chunk, while outside of it, and the items will not instantly disappear. And while inside the chunk, you can still place certain entities, like mine carts or item frames, despite it being at capacity; but my guess here is that they're 'placed entities' as opposed to being 'a non-railed mine cart or dropped entity'.

Your confirmation of this issue, and feedback on how I might resolve without an update on the plugin, is greatly appreciated.