When using tick freeze, the second passenger (e.g. a creeper) in a boat unfreezes as soon as a player enters the boat as first passenger.
MC-268358
Player unfreezes second passenger in boat during tick freeze
Open
4
(Unassigned)
1182045
Confirmed
Expansion A
Low
Chunk loading, Commands
tick-command
1.20.4
Retrieved
The creeper in the example is not ridden by the player