183.3

Released - 6 July 2015
 * You can no longer build underneath terrain except in caves, and all structures beneath terrain except in caves is automatically destroyed. Thank you for the reports :)
 * Water Dinos no longer die when surfacing in underwater caves, yay!
 * Fixed an issue where dino attacks were not actually hitting various structure pieces to which they had valid line-of-sight.
 * In PvE, lit campfires no longer hurt other tribes' players/dinos.
 * Fixed a crash in in singleplayer mode caves
 * You can now properly close ceiling doors when on a ladder, just look up and press the Use key :)