add MSC4076 \o/

data-template/synapse/homeserver.yaml

@@ -119,6 +119,9 @@ experimental_features:
   # especially Element Call
   msc4222_enabled: true
 
+  # disable_badge_count to get accurate app badge counts in Element X
+  msc4076_enabled: true
+
 # The maximum allowed duration by which sent events can be delayed, as
 # per MSC4140. Must be a positive value if set.  Defaults to no
 # duration (null), which disallows sending delayed events.