After reducing the attribute generic.max_health of a player, the player's HP will not be capped automatically until taking damage. If the value of generic.max_health is lower than half of the original HP, "client-side fake death" will happen.
Steps to reproduce:
1. Reset the player's state
/attribute @s minecraft:generic.max_health base set 20
/effect give @s minecraft:instant_health 1 32. Modify the attribute
/attribute @s minecraft:generic.max_health base set 63. Check current HP
/data get entity @s HealthThe result is 20, not 6
4. Take any damage
For example, step onto a magma block. After taking damage, the player's HP will be 5 and the "You Died" UI will pop up.
Linked issues
duplicates 1
Comments 2
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We're tracking this issue in MC-16345, so this ticket is being resolved and linked as a duplicate.
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Thank you for your report!
However, we are already tracking this issue, and this report is a Duplicate of MC-180001, which is a report that has not been resolved yet.
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