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:
5efeb7bd Also update compiler version
c13b867a Update some Maven plugin versions
deb28d9f PR-837: Add more bell API
e938d62a PR-819: Allow Player#sendBlockDamage() to specify a source entity
0e75532c PR-818: Add more Guardian API, particularly for its laser
a10155aa PR-839: Add BlockData#rotate and BlockData#mirror
77e690b4 PR-836: Add missing API for explosive minecarts
60722059 PR-832: Allow getting chunks without generating them and optimize chunk data request for ungenerated chunks
0a2c4b4b PR-834: Add Player#sendHurtAnimation()
CraftBukkit Changes:
be8682aa8 Also update compiler version
08e305f5b Update some Maven plugin versions
187bdd463 PR-1160: Add more bell API
2f8e5bc7c PR-1145: Allow Player#sendBlockDamage() to specify a source entity
bcbb61b36 PR-1144: Add more Guardian API, particularly for its laser
722ddff6d PR-1162: Add BlockData#rotate and BlockData#mirror
80998277c PR-1159: Add missing API for explosive minecarts
1fddefce1 PR-1155: Allow getting chunks without generating them and optimize chunk data request for ungenerated chunks
20e8a486f PR-1157: Add Player#sendHurtAnimation()
Spigot Changes:
b31949f2 Rebuild patches
Bjarne Koll
Noah van der Aa
Jake Potrebic
Owen1212055
Lulu13022002
Nassim Jahnke
Jason Penilla