1 files changed, 13 insertions, 7 deletions
diff --git a/synapse/api/room_versions.py b/synapse/api/room_versions.py
index 4085bd10b9..d644803d38 100644
--- a/synapse/api/room_versions.py
+++ b/synapse/api/room_versions.py
@@ -50,6 +50,7 @@ class RoomVersion(object):
     disposition = attr.ib()     # str; one of the RoomDispositions
     event_format = attr.ib()    # int; one of the EventFormatVersions
     state_res = attr.ib()       # int; one of the StateResolutionVersions
+    enforce_key_validity = attr.ib()  # bool
 
 
 class RoomVersions(object):
@@ -58,30 +59,35 @@ class RoomVersions(object):
         RoomDisposition.STABLE,
         EventFormatVersions.V1,
         StateResolutionVersions.V1,
-    )
-    STATE_V2_TEST = RoomVersion(
-        "state-v2-test",
-        RoomDisposition.UNSTABLE,
-        EventFormatVersions.V1,
-        StateResolutionVersions.V2,
+        enforce_key_validity=False,
     )
     V2 = RoomVersion(
         "2",
         RoomDisposition.STABLE,
         EventFormatVersions.V1,
         StateResolutionVersions.V2,
+        enforce_key_validity=False,
     )
     V3 = RoomVersion(
         "3",
         RoomDisposition.STABLE,
         EventFormatVersions.V2,
         StateResolutionVersions.V2,
+        enforce_key_validity=False,
     )
     V4 = RoomVersion(
         "4",
         RoomDisposition.STABLE,
         EventFormatVersions.V3,
         StateResolutionVersions.V2,
+        enforce_key_validity=False,
+    )
+    V5 = RoomVersion(
+        "5",
+        RoomDisposition.STABLE,
+        EventFormatVersions.V3,
+        StateResolutionVersions.V2,
+        enforce_key_validity=True,
     )
 
 
@@ -90,7 +96,7 @@ KNOWN_ROOM_VERSIONS = {
         RoomVersions.V1,
         RoomVersions.V2,
         RoomVersions.V3,
-        RoomVersions.STATE_V2_TEST,
         RoomVersions.V4,
+        RoomVersions.V5,
     )
 }   # type: dict[str, RoomVersion]