Upstream has released updates that appears to apply and compile correctly
Paper Changes:
c096fe19 Port 20w15a Villager AI optimizations
832687de Restore preventing saving bad entities patch to full effect
df8eedee Restore Optimize Pathfinding patch
97b1cc36 Allow shutting down server during a watchdog hang gracefully
06044e24 Async command map building
Upstream has released updates that appears to apply and compile correctly
Paper Changes:
a4f066cc Fix method profiler inbalance introduced in a2a9ffe (#3132)
c65dcad3 Don't delay chunk unloads during entity ticking
bc17ce69 Delay unsafe actions until after entity ticking is done - Fixes#3114
5553e6b3 Disable Sync Events firing Async errors during shutdown
e12c51d9 Use better variable for isStopping() API
586ee2bb Remove patch for MC-111480, fixed in 1.14
09a94215 Remove streams from Mob AI System
bb5c294e Fix Disabling Asynchronous Chunks
089d8356 Implement Chunk Priority / Urgency System for World Gen
fce69af7 Use dedicated thread for main thread blocking chunk loads
588b62e4 Add tick times API and /mspt command (#3102)
11de41c7 Add API MinecraftServer#isStopping (#3129)
942ff3c2 My patches are under MIT (#3130)