1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index c8bbcfd8c2..9b17939163 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -1102,6 +1102,7 @@ class EventCreationHandler:
             #
             # TODO(faster_joins): figure out how this works, and make sure that the
             #   old state is complete.
+            #   https://github.com/matrix-org/synapse/issues/13003
             metadata = await self.store.get_metadata_for_events(state_event_ids)
 
             state_map_for_event: MutableStateMap[str] = {}