my bad, i couldn't find this anywhere else
Update: effects all versions from 20w22a through 1.16-pre3.
Edit only lets me select latest snapshot and release so it isn't listed.
Able to reproduce.
I don't know, it seems like a weird thing to add if so. It bugs me, no pun intended.
Interesting. I noticed the dark item frame bug reported here, but mine was bright rather than dark.
Can confirm for 1.15-pre6.
Can confirm for 1.15-pre4.
Every tree generates in the northwest corner of every chunk (if possible).