Requires Server Update:

243.9

• Fixed significant performance issue with dual-core CPU’s, affected Servers and Singleplayer mode. Thanks to Steam User / Server Host “ddvs1” for helping us track this down!!
• Fixed Max XP limit on Dedicated Servers.

243.91

Requires Server Update:

• Fixed various Ptero and Quetz and Chair exploits that allowed getting thru Structures.
• Fixed issue where Tribe Alliances would not initially be loaded, causing pandemonium among Dinos and Turrets within cross-Alliance bases.