diff --git a/godot-headers/extension_api.json b/godot-headers/extension_api.json
index 089b5287..14aa2d35 100644
--- a/godot-headers/extension_api.json
+++ b/godot-headers/extension_api.json
@@ -3,9 +3,9 @@
 		"version_major": 4,
 		"version_minor": 0,
 		"version_patch": 0,
-		"version_status": "alpha17",
+		"version_status": "beta1",
 		"version_build": "official",
-		"version_full_name": "Godot Engine v4.0.alpha17.official"
+		"version_full_name": "Godot Engine v4.0.beta1.official"
 	},
 	"builtin_class_sizes": [
 		{
@@ -91026,13 +91026,6 @@
 				}
 			]
 		},
-		{
-			"name": "FramebufferCacheRD",
-			"is_refcounted": false,
-			"is_instantiable": false,
-			"inherits": "Object",
-			"api_type": "core"
-		},
 		{
 			"name": "GDScript",
 			"is_refcounted": true,
@@ -107041,7 +107034,7 @@
 					"is_vararg": false,
 					"is_static": false,
 					"is_virtual": false,
-					"hash": 1017552074,
+					"hash": 2491878677,
 					"arguments": [
 						{
 							"name": "normal_merge_angle",
@@ -107052,6 +107045,10 @@
 							"name": "normal_split_angle",
 							"type": "float",
 							"meta": "float"
+						},
+						{
+							"name": "bone_transform_array",
+							"type": "Array"
 						}
 					]
 				},
@@ -243253,13 +243250,6 @@
 				}
 			]
 		},
-		{
-			"name": "UniformSetCacheRD",
-			"is_refcounted": false,
-			"is_instantiable": false,
-			"inherits": "Object",
-			"api_type": "core"
-		},
 		{
 			"name": "VBoxContainer",
 			"is_refcounted": false,
@@ -254726,6 +254716,54 @@
 							"value": 5
 						}
 					]
+				},
+				{
+					"name": "GatheringState",
+					"is_bitfield": false,
+					"values": [
+						{
+							"name": "GATHERING_STATE_NEW",
+							"value": 0
+						},
+						{
+							"name": "GATHERING_STATE_GATHERING",
+							"value": 1
+						},
+						{
+							"name": "GATHERING_STATE_COMPLETE",
+							"value": 2
+						}
+					]
+				},
+				{
+					"name": "SignalingState",
+					"is_bitfield": false,
+					"values": [
+						{
+							"name": "SIGNALING_STATE_STABLE",
+							"value": 0
+						},
+						{
+							"name": "SIGNALING_STATE_HAVE_LOCAL_OFFER",
+							"value": 1
+						},
+						{
+							"name": "SIGNALING_STATE_HAVE_REMOTE_OFFER",
+							"value": 2
+						},
+						{
+							"name": "SIGNALING_STATE_HAVE_LOCAL_PRANSWER",
+							"value": 3
+						},
+						{
+							"name": "SIGNALING_STATE_HAVE_REMOTE_PRANSWER",
+							"value": 4
+						},
+						{
+							"name": "SIGNALING_STATE_CLOSED",
+							"value": 5
+						}
+					]
 				}
 			],
 			"methods": [
@@ -254891,6 +254929,28 @@
 					"return_value": {
 						"type": "enum::WebRTCPeerConnection.ConnectionState"
 					}
+				},
+				{
+					"name": "get_gathering_state",
+					"is_const": true,
+					"is_vararg": false,
+					"is_static": false,
+					"is_virtual": false,
+					"hash": 4262591401,
+					"return_value": {
+						"type": "enum::WebRTCPeerConnection.GatheringState"
+					}
+				},
+				{
+					"name": "get_signaling_state",
+					"is_const": true,
+					"is_vararg": false,
+					"is_static": false,
+					"is_virtual": false,
+					"hash": 3342956226,
+					"return_value": {
+						"type": "enum::WebRTCPeerConnection.SignalingState"
+					}
 				}
 			],
 			"signals": [
@@ -254952,6 +255012,26 @@
 						"type": "enum::WebRTCPeerConnection.ConnectionState"
 					}
 				},
+				{
+					"name": "_get_gathering_state",
+					"is_const": true,
+					"is_static": false,
+					"is_vararg": false,
+					"is_virtual": true,
+					"return_value": {
+						"type": "enum::WebRTCPeerConnection.GatheringState"
+					}
+				},
+				{
+					"name": "_get_signaling_state",
+					"is_const": true,
+					"is_static": false,
+					"is_vararg": false,
+					"is_virtual": true,
+					"return_value": {
+						"type": "enum::WebRTCPeerConnection.SignalingState"
+					}
+				},
 				{
 					"name": "_initialize",
 					"is_const": false,