Catch and throw an exception when a potentially unsafe operation occurs on a thread other than the main server thread. By: md_5 <git@md-5.net>
This allows the merging of Experience orbs, as well as the configuration of the merge radius of items. Additionally it refactors the merge algorithm to be a better experience for players. By: md_5 <git@md-5.net>
By: Initial Source <noreply+automated@papermc.io>
By: Initial <noreply+automated@papermc.io>
