diff --git a/src/Internal/Api/All.elm b/src/Internal/Api/All.elm
index a8bb707..020f92c 100644
--- a/src/Internal/Api/All.elm
+++ b/src/Internal/Api/All.elm
@@ -38,7 +38,7 @@ sendStateEvent =
 
 {-| Get the latest sync from the Matrix API.
 -}
-syncCredentials : List String -> Sync.SyncInput -> Sync.SyncOutput
+syncCredentials : List String -> Maybe (Sync.SyncInput -> Sync.SyncOutput)
 syncCredentials =
     Sync.sync
 
diff --git a/src/Internal/Api/GetEvent/Main.elm b/src/Internal/Api/GetEvent/Main.elm
index b4e6ea4..cde1f36 100644
--- a/src/Internal/Api/GetEvent/Main.elm
+++ b/src/Internal/Api/GetEvent/Main.elm
@@ -8,8 +8,12 @@ getEvent : List String -> Maybe (EventInput -> EventOutput)
 getEvent versions =
     VC.withBottomLayer
         { current = Api.getEventInputV1
-        , version = "v1.2"
+        , version = "r0.5.0"
         }
+        |> VC.sameForVersion "r0.6.0"
+        |> VC.sameForVersion "r0.6.1"
+        |> VC.sameForVersion "v1.1"
+        |> VC.sameForVersion "v1.2"
         |> VC.sameForVersion "v1.3"
         |> VC.sameForVersion "v1.4"
         |> VC.sameForVersion "v1.5"
diff --git a/src/Internal/Api/JoinedMembers/Api.elm b/src/Internal/Api/JoinedMembers/Api.elm
index ef22cd6..cb899b7 100644
--- a/src/Internal/Api/JoinedMembers/Api.elm
+++ b/src/Internal/Api/JoinedMembers/Api.elm
@@ -17,8 +17,25 @@ type alias JoinedMembersOutputV1 =
     Task X.Error SO1.RoomMemberList
 
 
-joinedMembersInputV1 : JoinedMembersInputV1 -> JoinedMembersOutputV1
-joinedMembersInputV1 data =
+joinedMembersV1 : JoinedMembersInputV1 -> JoinedMembersOutputV1
+joinedMembersV1 data =
+    R.rawApiCall
+        { headers = R.WithAccessToken data.accessToken
+        , method = "GET"
+        , baseUrl = data.baseUrl
+        , path = "/_matrix/client/r0/rooms/{roomId}/joined_members"
+        , pathParams =
+            [ ( "roomId", data.roomId )
+            ]
+        , queryParams = []
+        , bodyParams = []
+        , timeout = Nothing
+        , decoder = \_ -> SO1.roomMemberListDecoder
+        }
+
+
+joinedMembersV2 : JoinedMembersInputV1 -> JoinedMembersOutputV1
+joinedMembersV2 data =
     R.rawApiCall
         { headers = R.WithAccessToken data.accessToken
         , method = "GET"
diff --git a/src/Internal/Api/JoinedMembers/Main.elm b/src/Internal/Api/JoinedMembers/Main.elm
index e341c2a..e21bc0c 100644
--- a/src/Internal/Api/JoinedMembers/Main.elm
+++ b/src/Internal/Api/JoinedMembers/Main.elm
@@ -7,9 +7,23 @@ import Internal.Tools.VersionControl as VC
 joinedMembers : List String -> Maybe (JoinedMembersInput -> JoinedMembersOutput)
 joinedMembers versions =
     VC.withBottomLayer
-        { current = Api.joinedMembersInputV1
-        , version = "v1.1"
+        { current = Api.joinedMembersV1
+        , version = "r0.0.0"
         }
+        |> VC.sameForVersion "r0.0.1"
+        |> VC.sameForVersion "r0.1.0"
+        |> VC.sameForVersion "r0.2.0"
+        |> VC.sameForVersion "r0.3.0"
+        |> VC.sameForVersion "r0.4.0"
+        |> VC.sameForVersion "r0.5.0"
+        |> VC.sameForVersion "r0.6.0"
+        |> VC.sameForVersion "r0.6.1"
+        |> VC.addMiddleLayer
+            { downcast = identity
+            , current = Api.joinedMembersV2
+            , upcast = identity
+            , version = "v1.1"
+            }
         |> VC.sameForVersion "v1.2"
         |> VC.sameForVersion "v1.3"
         |> VC.sameForVersion "v1.4"
diff --git a/src/Internal/Api/SendStateKey/V1/SpecObjects.elm b/src/Internal/Api/SendStateKey/V1/SpecObjects.elm
index 3a4cf36..25208c1 100644
--- a/src/Internal/Api/SendStateKey/V1/SpecObjects.elm
+++ b/src/Internal/Api/SendStateKey/V1/SpecObjects.elm
@@ -1,37 +1,38 @@
-module Internal.Api.SendStateKey.V1.SpecObjects exposing (
-    EventResponse
+module Internal.Api.SendStateKey.V1.SpecObjects exposing
+    ( EventResponse
     , encodeEventResponse
     , eventResponseDecoder
     )
+
 {-| Automatically generated 'SpecObjects'
 
-Last generated at Unix time 1675965633
+Last generated at Unix time 1676625734
+
 -}
 
-
 import Internal.Tools.EncodeExtra exposing (maybeObject)
-
 import Json.Decode as D
 import Json.Encode as E
 
+
 {-| A response confirming that an event has been sent.
 -}
-type alias EventResponse =  {
-    eventId : String
+type alias EventResponse =
+    { eventId : String
     }
 
+
 encodeEventResponse : EventResponse -> E.Value
 encodeEventResponse data =
-    maybeObject [
-        ("event_id", Just <| E.string data.eventId)
-            ]
+    maybeObject
+        [ ( "event_id", Just <| E.string data.eventId )
+        ]
 
 
 eventResponseDecoder : D.Decoder EventResponse
 eventResponseDecoder =
     D.map
         (\a ->
-             { eventId=a})
-            (D.field "event_id" D.string)
-
-
+            { eventId = a }
+        )
+        (D.field "event_id" D.string)