This build resolves some of the most critical bugs. Before updating, make sure armor stand / item frames not being protected by default even if breakBlocks is false cannot be abused on your server. Adding the following to the default section of the main config should prevent issues in any case:
Newly generated main config files will contain these rules by default, but existing default sections are not altered.

Note that this build has only been tested with Paper 1.16.5.

• Changes:
  • Null values in collection / map game rules are now removed automatically
  • Armor stands, paintings and item frames are now by default no longer protected but by default added to the protection rules in the main config default section
• Bugfixes:
  • Fixed /dxl reload
  • Fixed game rule inheritance system
  • Fixed command signs