SpoutDev/Vanilla — comment on commit d10f698bc35f9e9648f8016ae7aab2b2b4900844
File:  line 0
By WalkerCrouse:

@miketamis Well actually, it's like that on purpose, there are only a certain kinds of tree's in Minecraft, and they are built in a specific way. Right, now the tree has a 50/50 chance to be short and I haven't added birch because chunks are not sending block data yet.