1.20.5-rc1 stuff (#3849)

mappings/net/minecraft/client/network/ClientCommonNetworkHandler.mapping

@@ -10,6 +10,7 @@ CLASS net/minecraft/class_8673 net/minecraft/client/network/ClientCommonNetworkH
 	FIELD field_45944 LOGGER Lorg/slf4j/Logger;
 	FIELD field_48399 serverCookies Ljava/util/Map;
 	FIELD field_51516 transferring Z
+	FIELD field_51520 strictErrorHandling Z
 	METHOD <init> (Lnet/minecraft/class_310;Lnet/minecraft/class_2535;Lnet/minecraft/class_8675;)V
 		ARG 1 client
 		ARG 2 connection

mappings/net/minecraft/datafixer/fix/HorseArmorFix.mapping

@@ -1,6 +1,18 @@
 CLASS net/minecraft/class_9183 net/minecraft/datafixer/fix/HorseArmorFix
 	FIELD field_48805 oldNbtKey Ljava/lang/String;
+	FIELD field_51519 removeOldArmor Z
 	METHOD <init> (Lcom/mojang/datafixers/schemas/Schema;Ljava/lang/String;Ljava/lang/String;Z)V
 		ARG 1 outputSchema
 		ARG 2 entityId
 		ARG 3 oldNbtKey
+		ARG 4 removeOldArmor
+	METHOD method_59885 (Lcom/mojang/serialization/Dynamic;J)Lcom/mojang/serialization/Dynamic;
+		ARG 0 dropChanceDynamic
+		ARG 1 slot
+	METHOD method_59886 (Lcom/mojang/serialization/Dynamic;)Lcom/mojang/serialization/Dynamic;
+		ARG 0 armorDropChancesDynamic
+	METHOD method_59887 (Lcom/mojang/serialization/Dynamic;J)Lcom/mojang/serialization/Dynamic;
+		ARG 0 itemDynamic
+		ARG 1 slot
+	METHOD method_59888 (Lcom/mojang/serialization/Dynamic;)Lcom/mojang/serialization/Dynamic;
+		ARG 0 armorItemsDynamic

mappings/net/minecraft/datafixer/fix/RemoveEmptyItemInSuspiciousBlockFix.mapping

@@ -0,0 +1,5 @@
+CLASS net/minecraft/class_9687 net/minecraft/datafixer/fix/RemoveEmptyItemInSuspiciousBlockFix
+	METHOD <init> (Lcom/mojang/datafixers/schemas/Schema;)V
+		ARG 1 outputSchema
+	METHOD method_59889 shouldRemoveItem (Lcom/mojang/serialization/Dynamic;)Z
+		ARG 0 dynamic