This is a reasonably big update with around 1000 added lines and 100 removed.
If you are interested in a more in-depth description read the announcement on discord.

Changelog:

• Add block barriers on region borders while in combat (MC 1.13+)
  • Configurable block type, radius and update rate
  • Recommended to use together with pushback
• Add item cooldowns for any item
  • Golden apples come with a cooldown by default
• Add pushback and barrier support for Griefprevention
  • The warning on load about GP settings will now also go away if you change the mentioned settings
• Add /pmr border subcommand, shows a quick summary and settings
• Bump Java version to Java 11
• When hologram displays are enabled the pushback message no longer shows in chat
• Updated UClans hook to new API
• Drop support for Factions3, seems to be abandoned
• Improved a few small things here and there
• Updated many libraries to latest version

If you are satisfied with recent updates or with Discord support, it would be greatly appreciated if you could leave a nice review!

Github for bug reports/suggestions: Issues