diff --git a/mappings/net/minecraft/server/world/ServerWorld.mapping b/mappings/net/minecraft/server/world/ServerWorld.mapping
index cfd7d99c62..c657f97772 100644
--- a/mappings/net/minecraft/server/world/ServerWorld.mapping
+++ b/mappings/net/minecraft/server/world/ServerWorld.mapping
@@ -28,6 +28,7 @@ CLASS net/minecraft/class_3218 net/minecraft/server/world/ServerWorld
 	FIELD field_35441 MAX_TICKS I
 	FIELD field_35565 blockEventQueue Ljava/util/List;
 	FIELD field_36208 structureLocator Lnet/minecraft/class_6832;
+	FIELD field_36317 duringListenerUpdate Z
 	METHOD <init> (Lnet/minecraft/server/MinecraftServer;Ljava/util/concurrent/Executor;Lnet/minecraft/class_32$class_5143;Lnet/minecraft/class_5268;Lnet/minecraft/class_5321;Lnet/minecraft/class_2874;Lnet/minecraft/class_3949;Lnet/minecraft/class_2794;ZJLjava/util/List;Z)V
 		ARG 1 server
 		ARG 2 workerExecutor
@@ -168,6 +169,8 @@ CLASS net/minecraft/class_3218 net/minecraft/server/world/ServerWorld
 		ARG 1 pos
 	METHOD method_19535 (Lnet/minecraft/class_2338;Lnet/minecraft/class_4158;)V
 		ARG 2 poiType
+	METHOD method_19536 (Lnet/minecraft/class_2338;Lnet/minecraft/class_4158;)V
+		ARG 2 poiType
 	METHOD method_20588 isNearOccupiedPointOfInterest (Lnet/minecraft/class_4076;)Z
 		ARG 1 sectionPos
 	METHOD method_21624 dumpEntities (Ljava/io/Writer;Ljava/lang/Iterable;)V
@@ -186,6 +189,7 @@ CLASS net/minecraft/class_3218 net/minecraft/server/world/ServerWorld
 		ARG 1 biome
 		ARG 2 pos
 		ARG 3 radius
+		ARG 4 blockCheckInterval
 	METHOD method_27056 getStructureAccessor ()Lnet/minecraft/class_5138;
 	METHOD method_27909 iterateEntities ()Ljava/lang/Iterable;
 	METHOD method_27910 setWeather (IIZZ)V
diff --git a/mappings/net/minecraft/util/collection/IndexedIterable.mapping b/mappings/net/minecraft/util/collection/IndexedIterable.mapping
index f680868bdc..dd367e6384 100644
--- a/mappings/net/minecraft/util/collection/IndexedIterable.mapping
+++ b/mappings/net/minecraft/util/collection/IndexedIterable.mapping
@@ -5,3 +5,8 @@ CLASS net/minecraft/class_2359 net/minecraft/util/collection/IndexedIterable
 	METHOD method_10204 size ()I
 	METHOD method_10206 getRawId (Ljava/lang/Object;)I
 		ARG 1 entry
+	METHOD method_39974 getOrThrow (I)Ljava/lang/Object;
+		COMMENT {@return the value at {@code index}}
+		COMMENT
+		COMMENT @throws IllegalArgumentException if the value is {@code null}
+		ARG 1 index
diff --git a/mappings/net/minecraft/world/biome/source/BiomeSource.mapping b/mappings/net/minecraft/world/biome/source/BiomeSource.mapping
index ceebe785e1..e07434f8fc 100644
--- a/mappings/net/minecraft/world/biome/source/BiomeSource.mapping
+++ b/mappings/net/minecraft/world/biome/source/BiomeSource.mapping
@@ -8,6 +8,7 @@ CLASS net/minecraft/class_1966 net/minecraft/world/biome/source/BiomeSource
 		ARG 2 y
 		ARG 3 z
 		ARG 4 radius
+		ARG 5 blockCheckInterval
 		ARG 6 predicate
 		ARG 7 random
 		ARG 9 noiseSampler
diff --git a/mappings/net/minecraft/world/tick/WorldTickScheduler.mapping b/mappings/net/minecraft/world/tick/WorldTickScheduler.mapping
index d5d9045ab9..51941e8932 100644
--- a/mappings/net/minecraft/world/tick/WorldTickScheduler.mapping
+++ b/mappings/net/minecraft/world/tick/WorldTickScheduler.mapping
@@ -52,6 +52,9 @@ CLASS net/minecraft/class_6757 net/minecraft/world/tick/WorldTickScheduler
 		ARG 6 tick
 	METHOD method_39387 (Lit/unimi/dsi/fastutil/longs/Long2LongOpenHashMap;)V
 		ARG 0 map
+	METHOD method_39388 (Ljava/util/function/Predicate;Ljava/util/List;JLnet/minecraft/class_6755;)V
+		ARG 2 chunkPos
+		ARG 4 chunkTickScheduler
 	METHOD method_39389 addTickableTicks (Ljava/util/Queue;Lnet/minecraft/class_6755;JI)V
 		ARG 1 tickableChunkTickSchedulers
 		ARG 2 chunkTickScheduler
@@ -69,6 +72,8 @@ CLASS net/minecraft/class_6757 net/minecraft/world/tick/WorldTickScheduler
 	METHOD method_39395 addTickableTick (Lnet/minecraft/class_6760;)V
 		ARG 1 tick
 	METHOD method_39396 copyTickableTicksList ()V
+	METHOD method_39973 (Lnet/minecraft/class_3341;Lnet/minecraft/class_6760;)Z
+		ARG 1 tick
 	CLASS class_6758 ChunkVisitor
 		METHOD accept (JLnet/minecraft/class_6755;)V
 			ARG 1 chunkPos