Originally posted by Lugulbanda:

not that is bad, or i dont like it, just because the devs sayes here big update and caves u find in areas were ur not have been, and i went out to search for that stuff for days weeks searching it and now i finaly hear from the devs the havent even put it online,

You have been misinformed. Caves are there, in the mountains, in the released version. I have found them on my map, while exploring new mountain areas.