They are MT-Safe already. These changes reduce deadlock chances
given these calls are used in Entity#isValid(), and plugins
check this in packet handling...
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:
c987938a SPIGOT-5180: Add Villager#sleep() and #wakeup() methods
CraftBukkit Changes:
7f33c6a2 SPIGOT-5196: Restore previous version behaviour regarding cancelled BlockBreakEvent
6a5fc902 Improve diff in EntityHanging
c98d61bf SPIGOT-4712: Allow spawning of upwards or downwards facing item frames
db971477 SPIGOT-5199: Fix NPE if setting the book of the ItemMeta of a lectern
b0ef3996 SPIGOT-4679 Fix black lines after book paragraphs
1215188f SPIGOT-5180: Add Villager#sleep() and #wakeup() methods
c03b2bef SPIGOT-4975: NPE on WorldGenStronghold When Using Multiple Worlds
65ea162c Ensure Bukkit data pack is always up to date
0b107b8d MC-157395, SPIGOT-5193: Small armor stands do not drop loot
6da0abca SPIGOT-5195: Player loot table does not drop when keepInventory is on
8b09d983 SPIGOT-5190: Superfluous EntityCombustEvent called when using fire aspect sword
Spigot Changes:
1981d553 SPIGOT-5198: Catch more bad async operations
6a14ca46 Rebuild patches
