Again, this build doesn't fix all known issues. If you're already on a build >819, update, if not, test which one works best for you.

• New features:
  • Requirement event API
• Changes:
  • Hologram signs now use "<br>" instead of "/" as a line separator
• Bugfixes:
  • Fixed button sign behavior, which made it appear like multiple trigger types didn't work
  • Fixed redstone trigger behavior

Please read the last changelog for more information.