there is this new issue i dont really know how new it is but as of this week it happend to me twice on 2 diffrent worlds both times what happend is that i oppend a cave map went like 7k blocks to find the cave and when am on the map at the cave it i dig down and i am way far i did use spectator mod and no its nowhere in site infact if u use /locate it showed the cave biome was 5k blocks away