Merge remote-tracking branch 'origin/develop' into matrix-org-hotfixes

1 files changed, 3 insertions, 0 deletions

diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py

index b1dcc1cf3d..feed4558c7 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -427,6 +427,9 @@ class EventCreationHandler(object):
 
         if event.is_state():
             prev_state = yield self.deduplicate_state_event(event, context)
+            logger.info(
+                "Not bothering to persist duplicate state event %s", event.event_id,
+            )
             if prev_state is not None:
                 defer.returnValue(prev_state)