The bug
Balloon oak trees sometimes generate with a second set of leaves offset by one or two blocks on all 3 axis. See attached screenshots. To reproduce:
Seed: 6780435899537189126
1 offset diagonally: /tp @p 170 102 39
2 offset diagonally: /tp @p 200 81 -618
Attachments
Comments 3
Is this still an issue in the most recent versions (currently that is 1.13.2, or the latest snapshot 18w46a) of Minecraft? If so, please update the affected versions and help us keeping this ticket updated from time to time. If you are the owner/reporter of this ticket, you can modify the affected version(s) yourself.
For your second issue, see MC-125007. For your third issue:
I couldn't reproduce that. If you can still see it happening, please create a new ticket for it and include seed and coordinates.