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:
d0800d0c Update checkstyle
e4e4bf70 Remove package-info from tests, breaks some IDEs
d6651bb0 No longer necessary to synchronize sync events
CraftBukkit Changes:
e82b5477 SPIGOT-5556: Some biome methods use incorrect positions
544ccdc5 Update checkstyle
512ff7a5 Print legacy load reason in debug mode
df371c1b SPIGOT-5554: Clear error message when BossBar is used for not fully joined players
18168500 Update scriptus
6bbb4e73 Clean up CraftBlockData.toString
b1e96bd5 SPIGOT-5551: BlockState.setData fails when used by legacy plugin
Spigot Changes:
b9baf717 Add space before ocean seed output
13394884 Rebuild patches
