Upstream has released updates that appears to apply and compile correctly
Paper Changes:
1daafe455 Updated Upstream (Bukkit/CraftBukkit)
98828b006 Merge pull request #4132 from Proximyst/progress/1.16.2
b23f27f8d Fix incorrect return for WorldServer#addAllEntitiesSafely (#3)
5085fa30c Fix MC-187716 Use configured height
c44add5a0 Initialise a new chunk section if none was found yet updated
74a4d5f8b Remove armour stand double add to world
6d25cc4ec Don't mark null chunk sections for block updates