Upstream has released updates that appears to apply and compile correctly
Paper Changes:
70df8f27 Add PrepareGrindstoneEvent
24b2f54b Fix Player skulls for offline mode servers
ce270e14 Updated Upstream (Bukkit/CraftBukkit/Spigot)
c4ada0e1 Fix many chunk loading issues
37b244b5 Fix not running level updates for light if no pre/post task
e6142995 Add and implement PlayerRecipeBookClickEvent (#3351)
9bb4e930 Fix piston dupe patch creating ghost blocks (#3603)
Upstream has released updates that appears to apply and compile correctly
Paper Changes:
64666dc8 Improve Chunk Priority, Frustum Priority and Load Speed Algorithms
146b9908 Improve ChunkMapDistance.b crash fix to clean up properly
2c4499b7 Show Plugins Event Listeners under Combined Total in Timings
c5c909c9 Improve Plugin Ticket Management
b20529f3 Update to HTTPS in README (#3460)
de6dfedf Make Anti-Xray multithreaded (#3520)
531c4b3f Add PluginTickets to API Chunk Methods
b2d81e21 Improve Chunk Prioritization and Internal Scheduler
24a2e804 Improve Login to use Urgent priority - improves login chunk load times
Upstream has released updates that appears to apply and compile correctly
Paper Changes:
9dfe1321 Delay Chunk Unloads based on Player Movement
f0409edc Drop Close region files patch, doesn't add any value.
700070c5 Fix undesirable behavior around world level changes due to priority
