https://mirageonlineclassic.com/browser-mmorpg-patch-v2007-npc-vs-npc-bug-fixes-guild-management-npc-agro-long-short-double-clicks/

• NPCs are now able to attack each other, which opens the possibility for pets.

• Player attacks are now prioritized over NPC attacks.

• Guild raiders are no longer safe on bind respawn tiles.

• Players who are challenged in PvP can no longer enter safe maps.

• Script functions added to support new NPC features.

• Map shots no longer pass through closed doors.

• Guild members can now be demoted when offline.

• Players under level 20 no longer have a PvP gear drop penalty.

• NPCs that shoot ranged weapons will now do so when adjacent to their target.

• Players can no longer accidentally sell equipped items at shops.

• Recycle items has been renamed to sell items to be more clear.

• NPC forgetting agro now works as intended again.

• Clicking tiles/targets now includes click counter and delay to allow more action possibilities.

• Excessive warping that occurred in PvP and with players with higher latency during map transitions has been resolved.

• PvP penalty is now limited to one random equipped item or if none then a random droppable item is selected from the player’s inventory.

• PvP penalty drops are now given directly to the killer with a notification and if not able to be given is dropped on the map.

• Added script functions for getting map links.

• Added leaderboards for alter quest and slaying skill.

• Fix to script error when NPC is killed from a killnpc script.

• Fixed trading bug.