I’ve updated the steps a bit and clarified some details. With proper height of the pillar, the bug should be much easier to reproduce.
Can confirm in 1.21.5.
Updated the data pack and crash report to reflect 25w04a.
Can confirm in 1.21.4.
[media]Can confirm in 1.21.4.
It affects all variants of signs, including standing/wall signs and ceiling/wall hanging signs.
The command should be updated to
/give @s glow_ink_sac[can_place_on={blocks:"#all_signs"}]
Due to the removal of the
spawnChunkRadius
game rule, the command for changing the game rule must be commented in order for the data pack to work correctly:As a result, the bug is no longer reproducible, and the player spawns at the correct location:
[media]This ticket can be resolved now.