diff --git a/data/pc/1.21.3/protocol.json b/data/pc/1.21.3/protocol.json
index b3aa320c7..7ef9d8b3f 100644
--- a/data/pc/1.21.3/protocol.json
+++ b/data/pc/1.21.3/protocol.json
@@ -6166,10 +6166,7 @@
                           {
                             "compareTo": "../action/update_display_name",
                             "fields": {
-                              "true": [
-                                "option",
-                                "anonymousNbt"
-                              ]
+                              "true": "anonOptionalNbt"
                             },
                             "default": "void"
                           }
diff --git a/data/pc/common/features.json b/data/pc/common/features.json
index 4a64e4dfa..caf0482c2 100644
--- a/data/pc/common/features.json
+++ b/data/pc/common/features.json
@@ -845,5 +845,15 @@
     "name": "registryDataIsMandatory",
     "description": "The server needs to send the registry data to the client before sending the finish_configuration packet",
     "versions": ["1.21", "latest"]
+  },
+  {
+    "name": "newPlayerInputPacket",
+    "description": "New player_input packet for movements, which replaces steer_vehicle",
+    "versions": ["1.21.3", "latest"]
+  },
+  {
+    "name": "noAckOnCreateSetSlotPacket",
+    "description": "Server does not send ack on creative_set_slot packets",
+    "versions": ["1.21.3", "latest"]
   }
 ]
diff --git a/data/pc/latest/proto.yml b/data/pc/latest/proto.yml
index 90b318c1e..db8572b02 100644
--- a/data/pc/latest/proto.yml
+++ b/data/pc/latest/proto.yml
@@ -2129,7 +2129,7 @@
             if true: varint
             default: void
          displayName: ../action/update_display_name ?
-            if true: ["option", "anonymousNbt"]
+            if true: anonOptionalNbt
             default: void
          listPriority: ../action/update_priority ?
             if true: varint