The bug
Blocks (affected by randomTickSpeed ?) do not update anymore.
Additionally to this saplings, apples and sticks are dropping around 20 -30 blocks away from leaves that aren't decaying
For a similar issue in multiplayer with 2 or more players, see MC-137795.
Affected
leaves not decaying
farmland not hydrating
crops not growing
...
Related issues
Comments
migrated
marcono1234
I made this the parent report for all duplicates about the same problem. Therefore it now includes the other cases of blocks not updating as well.
[Mod] Neko
All of these things are functioning; instead it updates elsewhere in the world (MC-139693).
Apparently I made two of this exact bug report