Upstream has released updates that appears 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:
e970fd72 Remove incorrect javadoc from TargetReason
84df6df1 SPIGOT-5282: Improve bucket event API
CraftBukkit Changes:
b2bcde89 SPIGOT-5258: TNT Not Moving Players in Creative Mode
44d675ad SPIGOT-5263: Chests stay open after InventoryOpenEvent cancelled.
2439178e SPIGOT-5278: EntityDrowned memory leak
7055c931 SPIGOT-5264: Call event for experience orbs losing their target
49141172 SPIGOT-5282: Improve bucket event API
6bbb3b04 SPIGOT-5281: Clearer error messages for ChunkSnapshot misuse
