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:
3284612a SPIGOT-5853: Add DragonBattle#generateEndPortal()
e4db04ae SPIGOT-5841: New map colours broken
CraftBukkit Changes:
d4243510 SPIGOT-5853: DragonBattle#getEndPortalLocation() throws NPE on new world
1601ec31 SPIGOT-5845: ChatColor.RESET does not work in ItemMeta to reset italics
4d92db6f CraftChatMessageTest does not need AbstractTestingBase
71045d3d SPIGOT-5828: Unlock worlds on unload
dbc347b9 SPIGOT-5841: New map colours broken
14053c70 SPIGOT-5847: BlockFadeEvent cannot be triggered asynchronously from another thread
Spigot Changes:
6f4ff1b6 SPIGOT-5851: ChatColor (HEX) doesn't appear correctly in the ActionBar
d94a518a SPIGOT-5848: PlayerSpawnLocationEvent throws NPE when setting a location of another world
Aikar
Spottedleaf
MiniDigger