Ark Survival Evolved has been updated to version 2.77 today by Studio Wildcard. You can get the complete patch notes for this update here.
This patch brings back the Eggcellent Adventures East Egg hunt in the game. It also implements some minor fixes and improvements. The patch is available to download now for PC, PS4, and Xbox One. The Eggcellent Adventures will be available to play as in-game event until April 25.