20w15a

common/src/main/java/us/myles/ViaVersion/api/data/MappingDataLoader.java

@@ -154,7 +154,10 @@ public class MappingDataLoader {
             Integer index = findIndex(newIdentifiers, value.getAsString());
             if (index == null) {
                 if (diffIdentifiers != null) {
-                    index = findIndex(newIdentifiers, diffIdentifiers.get(value.getAsString()).getAsString());
+                    JsonElement diffElement = diffIdentifiers.get(value.getAsString());
+                    if (diffElement != null) {
+                        index = findIndex(newIdentifiers, diffElement.getAsString());
+                    }
                 }
                 if (index == null) {
                     if (warnOnMissing && !Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {

common/src/main/java/us/myles/ViaVersion/api/protocol/ProtocolVersion.java

@@ -80,7 +80,7 @@ public class ProtocolVersion {
         register(v1_15 = new ProtocolVersion(573, "1.15"));
         register(v1_15_1 = new ProtocolVersion(575, "1.15.1"));
         register(v1_15_2 = new ProtocolVersion(578, "1.15.2"));
-        register(v1_16 = new ProtocolVersion(710, "1.16"));
+        register(v1_16 = new ProtocolVersion(711, "1.16"));
 
         register(unknown = new ProtocolVersion(-1, "UNKNOWN"));
     }

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_16to1_15_2/Protocol1_16To1_15_2.java

@@ -135,8 +135,10 @@ public class Protocol1_16To1_15_2 extends Protocol {
         tagRewriter.addTag(TagType.BLOCK, "minecraft:beacon_base_blocks", 133, 134, 148, 265);
         tagRewriter.addTag(TagType.BLOCK, "minecraft:climbable", 160, 241, 658);
         tagRewriter.addTag(TagType.BLOCK, "minecraft:fire", 142);
+        tagRewriter.addTag(TagType.BLOCK, "minecraft:campfires", 679);
         tagRewriter.addTag(TagType.ITEM, "minecraft:beacon_payment_items", 529, 530, 531, 760);
         // The client crashes if we don't send all tags it may use
+        tagRewriter.addEmptyTag(TagType.BLOCK, "minecraft:guarded_by_piglins");
         tagRewriter.addEmptyTag(TagType.BLOCK, "minecraft:soul_speed_blocks");
         tagRewriter.addEmptyTag(TagType.BLOCK, "minecraft:soul_fire_base_blocks");
         tagRewriter.addEmptyTag(TagType.BLOCK, "minecraft:non_flammable_wood");

common/src/main/resources/assets/viaversion/data/mappingdiff-1.15to1.16.json

@@ -6,7 +6,8 @@
     "entity.zombie_pigman.ambient": "entity.zombified_piglin.ambient",
     "entity.zombie_pigman.angry": "entity.zombified_piglin.angry",
     "entity.zombie_pigman.death": "entity.zombified_piglin.death",
-    "entity.zombie_pigman.hurt": "entity.zombified_piglin.hurt"
+    "entity.zombie_pigman.hurt": "entity.zombified_piglin.hurt",
+    "music.nether": "music.nether.nether_wastes"
   },
   "blockstates": {
     "5641": "minecraft:cobblestone_wall[east=tall,north=tall,south=tall,up=true,waterlogged=true,west=tall]",