From 31a2116331fea015fe162f298eca19d9a5a58ecb Mon Sep 17 00:00:00 2001
From: Brendan Abolivier <babolivier@matrix.org>
Date: Wed, 4 Mar 2020 17:28:13 +0000
Subject: [PATCH] Hide extremities dummy events from clients

---
 synapse/visibility.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/synapse/visibility.py b/synapse/visibility.py
index e60d9756b7..a48a4f3dfe 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -119,6 +119,9 @@ def filter_events_for_client(
 
                the original event if they can see it as normal.
         """
+        if event.type == "org.matrix.dummy_event":
+            return None
+
         if not event.is_state() and event.sender in ignore_list:
             return None
 
-- 
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