diff --git a/MSCs.md b/MSCs.md
index cbadbc5..464dc6f 100644
--- a/MSCs.md
+++ b/MSCs.md
@@ -37,3 +37,4 @@ Room version MSCs:
 * [MSC2998: Room V7](https://github.com/matrix-org/matrix-spec-proposals/blob/main/proposals/2998-rooms-v7.md)
 * [MSC3289: Room V8](https://github.com/matrix-org/matrix-spec-proposals/blob/main/proposals/3289-rooms-v8.md)
 * [MSC3375: Room V9](https://github.com/matrix-org/matrix-spec-proposals/blob/main/proposals/3375-room-v9.md)
+* [MSC3604: Room V10](https://github.com/matrix-org/matrix-spec-proposals/blob/main/proposals/3604-rooms-v10.md)
diff --git a/vona/federation/rooms.py b/vona/federation/rooms.py
index b171ebf..efbf3d2 100644
--- a/vona/federation/rooms.py
+++ b/vona/federation/rooms.py
@@ -199,7 +199,7 @@ def v1_v2(request, room) -> dict:
 
 	remote_join = request.get_json()
 
-	response = {
+	return {
 		"auth_chain": event_chain,
 		"event": remote_join,
 		"members_omitted": False,
@@ -207,10 +207,8 @@ def v1_v2(request, room) -> dict:
 		"state": event_chain
 	}
 
-	return response
 
-
-# Room V3 to V9
+# Room V3 to V10
 def v3(request, room) -> dict:
 	initial_response = v1_v2(request, room)
 	state = list(initial_response["state"])
@@ -238,6 +236,8 @@ def v3(request, room) -> dict:
 		hash_map["m.room.member"],
 	]
 	events["m.room.power_levels"]["prev_events"] = [hash_map["m.room.member"]]
+	if ver == 10:
+		events["m.room.power_levels"]["content"]["users"][f"@vona:{config.server_name}"] = 100
 	events["m.room.power_levels"] = globals.hash_and_sign_event(events["m.room.power_levels"])
 	hash_map["m.room.power_levels"] = globals.make_ref_hash(events["m.room.power_levels"], ver)
 
@@ -273,12 +273,10 @@ def v3(request, room) -> dict:
 		new_state.append(events[event])
 
 
-	resp = {
+	return {
 		"auth_chain": new_state,
 		"event": initial_response["event"],
 		"members_omitted": False,
 		"servers_in_room": [config.server_name],
 		"state": new_state
 	}
-
-	return resp
diff --git a/vona/globals/__init__.py b/vona/globals/__init__.py
index 04e0a24..d4d8473 100644
--- a/vona/globals/__init__.py
+++ b/vona/globals/__init__.py
@@ -268,7 +268,7 @@ def room_version_from_id(room):
 	)
 	hexadecimal_room_id = bytes(room_id_no_sigil, "utf-8").hex()
 
-	versions = [str(i) for i in range(1, 10)]
+	versions = [str(i) for i in range(0, 10)]
 
 	if not any(ver in hexadecimal_room_id for ver in versions):
 		hexadecimal_room_id = "2" + hexadecimal_room_id[1:]
@@ -282,7 +282,11 @@ def room_version_from_id(room):
 		s = s.replace(" ", "").lower()
 		counts = Counter(s)
 		most_common = counts.most_common(1)
-		return most_common[0] if most_common else ("2",)
+
+		actual_most_common = most_common[0] if most_common else ("4",)
+		if actual_most_common[0] == "0":
+			return ("10",)
+		return actual_most_common
 
 	return str(most_common_character(nums)[0])
 
diff --git a/vona/utils/roomwithver.py b/vona/utils/roomwithver.py
index ff8b04b..826ee7a 100644
--- a/vona/utils/roomwithver.py
+++ b/vona/utils/roomwithver.py
@@ -1,9 +1,14 @@
 import vona.globals as globals
+import vona.config as config
 import multiprocessing
 
 versions = [str(i) for i in range(1, 10)]
 desired_ver = input("Desired room version:\n\t")
 
+if desired_ver == "10":
+	print(f"!p0:{config.server_name}")
+	exit(0)
+
 if desired_ver not in versions:
 	print("Unsupported room version")
 	exit(1)