In strongholds, the water block on the fountain doesn't update.
/tp @s -1690 17 1384 -142 18
Incorrect structure generation (type, height, chests, water update...)
Lava in a village blacksmith does not flow
World-gen water in town wells does not flow
fountains in stronghold don't generate properly
Deleted water doesn't refill.
Furnaces generated in a blacksmith (village) do not smelt any items
Block Entities are not upgraded properly when upgrading from 1.12.2
Lava does not always turn down to obsidian when mining magma block
Water updates are inconsistent