Using commands to make armor to add attribute modifiers gets reset with every new armor piece that has been equipped
MC-279623
Custom attribute modifier armor does not work
Resolved
Incomplete
0
Attribute modifiers need unique IDs, the attributes' modifier list (on the entity) stores ID as "source", if an item with attribute modifiers is unequipped, the modifier of the same ID is removed.
This is user error, and not a bug.