Version 3.1

• Added option for invincible allies.
  
• Several internal code improvements.

Version 3.1

• Menu no longer blocks movement.
  
• Menu is now draggable.
  
• Bugfix: ConVars no longer save with decimals.
  
• Internal code changes.

Version 3.0

• Anti-FriendlyFire now uses it's own menu, which is compatible with gamemodes without spawnmenu.
  
• Cvars now sync with the clients correctly on dedicated servers.
  
• Several code improvments.
  
• Fear relationship no longer applies for NPCs, due to citizen being unable to kill zombies because they fear them.

Version 2.1

• Settings menu is now compatible with Multiplayer. Superadmins can change the settings via spawnmenu, even on dedicated servers.

Version 2.0

• Added settings menu under Options / NPCs / Anti-FriendlyFire.
  
• Added additional setting to prevent damage to NPCs that fear you.
  
• Prop damage and physical force settings are now splitted into 2 booleans, npc_antiff_prop and npc_antiff_prop_force.
  
• Several cvars are renamed for better grouping.
  
• Several internal code improvments.

Version 1.1

• Fixed NPCs unintentionally no longer damaging themselves (ex. Zombine no longer died when using grenade).
  Thanks to ZeAdrien13 for the bug report.
  
  
• Added cvar npc_antiff_self to restore old behavior.

Version 1.0

Initial Release