The Bug

Advancements with criteria enter_block can trigger more than matched blocks per tick.

How to Reproduce

1. Load the datapack provided at attachment:

   .../<save>/<datapacks>/
   /reload
   

2. Do something.
3. See the chat shows how many times the test advancement triggers.

Expected Behavior:

The advancement would execute reward function multiple times as the number of air blocks inside your hitbox.

Observed Behavior:

The advancement did more than expected if satisfying any condition below or not.

Known Factors

1. Rotation (can reproduce by

   /tp @s ~ ~ ~ ~1 ~
   

2. Motion (can reproduce by collision from other entities
3. Specified tick with 1 second period (can reproduce by waiting 20 ticks