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:
6a039faf PR-745: Expose more information about advancements
52148c47 PR-749: Various javadoc improvements
23c2d841 PR-748: Remove permissible recalculation from Permission constructor
CraftBukkit Changes:
a59dc59e SPIGOT-7025: Use existing item in hand for ranged Drowned attack
e4cca0ca PR-1050: Expose more information about advancements