diff --git a/events.proto b/events.proto
index 212104a..c92c841 100644
--- a/events.proto
+++ b/events.proto
@@ -62,7 +62,7 @@ message Event {
             Block.Dataview.ViewSet blockDataviewViewSet = 19;
             Block.Dataview.ViewDelete blockDataviewViewDelete = 20;
             Block.Dataview.ViewOrder blockDataviewViewOrder = 29;
-            Block.Dataview.SourceSet blockDataviewSourceSet = 35;
+            Block.Dataview.SourceSet blockDataviewSourceSet = 35; // deprecated, source is no longer used
             Block.Dataview.GroupOrderUpdate blockDataViewGroupOrderUpdate = 38;
             Block.Dataview.ObjectOrderUpdate blockDataViewObjectOrderUpdate = 39;
             Block.Dataview.RelationDelete blockDataviewRelationDelete = 124;
diff --git a/models.proto b/models.proto
index 71af49f..3c6828a 100644
--- a/models.proto
+++ b/models.proto
@@ -42,6 +42,7 @@ enum SmartBlockType {
   STRelationOption = 0x211;
   SpaceView = 0x212;
 
+  Identity = 0x214;
   MissingObject = 0x207;
 }
 
@@ -584,6 +585,7 @@ message Account {
     string accountSpaceId = 9;
     string widgetsId = 10;
     string spaceViewId = 13;
+    string techSpaceId = 14;
 
     string gatewayUrl = 101; // gateway url for fetching static files
     string localStoragePath = 103; // path to local storage