Before updating to this release. Back up you configuration!

Configuration files have moved. These will be automatically moved when upgrading but be sure to backup your config should something go wrong.

Support for multiple staff modes:
https://staffplusplus-minecraft.gitbook.io/staffplusplus/features/staff-mode/multiple-modes

Full changelog:
https://github.com/garagepoort/StaffPlusPlus/blob/master/CHANGELOG-1.16.md