#531 Improved the region select by selecting the actual block corners of the selection instead of the center. You may want to reselect your arena and goals to have a much more precise selection.
#554 Added support for latest PlaceHolderApi version.
Bugs/Issues
#552 Fixed a bug where the ball was already spawned while being in the lobby.
#554 Fixed an itemstack parsing bug for the latest spigot build.