If you are using 1.13.2, make sure you have got the latest spigot 1.13.2 build installed.
If you are using WorldEdit 7+, make sure you have got the latest WorldEdit 7 build installed.
As always, special thanks to my patreon supporters!
Changes
#118 Added forcefield for the ball. This setting is enabled per default even for existing arenas. The ball cannot longer leave the arena and bounces back similar to a wall. wiki
#161 Using the inventory during BlockBall games is now possible when giving the user a new inventory permission. wiki
#162 Finished BlockBall DevOps and switched to gradle for faster builds.
Bugs/Issues
#164 Fixed enabling the statscoreboard in 1.8-1.12.