Leaves do not decay, farmland does not hydrate, crops don't grow...

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

Source

For a similar issue in multiplayer with 2 or more players, see MC-137795.

Affected

• leaves not decaying
• farmland not hydrating
• crops not growing
  ...