Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing
Bukkit Changes:
75a0ee4f SPIGOT-6691: Material.LAVA_CAULDRON is not Levelled
CraftBukkit Changes:
e1c96e50 SPIGOT-6682: Blocking with shield not reset after die
97f629b6 SPIGOT-6220: Structures in the world with custom generator not work
85379258 Increase outdated build delay
f7f8dce4 SPIGOT-6552: Some inventory types reset cursor on switch
