mob spawner

Currently, the mob despawn timer is set way faster than what is needed. I'm sure many players can attest that increasing the despawn timer would not result in a significant amount of lag to the survival server and would greatly increase the quality of life for those who spend a lot of time and...

Does anyone know if creepers destroy blocks in survival when they explode? It seems to vary depending on the server Thanks

Mob Stacking system: It's fun to have 200 skeleton spawners, but if they die 1 by 1 (due to the stacking system), it's the same as having 5 spawners. I've read that there's an option (within the plugin) to kill an entire stack of mobs on death. Ofcourse this would lead to bigger lag issues...