246.1

Released - 2 September, 2016


 * Fixed a critical server and client performance issue! Immediate upgrade of all servers is highly recommended!
 * Fixed issue with losing Engrams on downloading Survivor via Cross-ARK Transfer.
 * Fixed insulation calculation bug that caused spontaneous death in some bases. Requires Server Update.
 * Fixed issue that was causing item tooltips not to appear in singleplayer mode (and thus the item management hotkeys not to work).
 * Giganotosaurus no longer harvests wood. Requires Server Update.
 * Poison Wyvern tertiary 'C' ground attack is now Wing-Flap Wind, not Snarl. Requires Server Update.
 * Diseases no longer persist across Survivor cross-server travel. Requires Server Update.
 * One-time Official PvE TheIsland Server rollback to fix deletion of bases around mountain no-build areas. Disabled use of mountain no-build areas on Official PvE.