At pillager outposts Pillagers are still spawning at insane rates and worse yet they aren't despawning no matter how far players are getting from them. We're forced to set the server to Peaceful each time we get into the game every day in order to prevent a loaded Outpost from soaking up the entire mob cap. 

I've made adjustments to the despawn length to see if maybe shortyening it by a chunk would make them despawn since a lot of what I've searched online has said that chunks are unloading before the mobs could despawn. But this doesn't seem to be the case.