I am having trouble with trees. 1) I can't find dark oak trees anywhere in any of my survival worlds even by Woodland Mansions 2) If I give myself dark oak tree saplings they will not grow. Yes there are in a 2x2 pattern with no obstructions at all. I spent hours doing both in several worlds. This is not ok. This has been happening for a while but still isn't fixed even though people at Mojang said they would fix it by now. This happens in every world I have but here are some seeds I have tried: 165605352   7769006442585463973    159605877035760313