From 6e7cb63e7d54ba97a5ab53e76e1efcc358ac28fb Mon Sep 17 00:00:00 2001
From: Travis Ralston <travpc@gmail.com>
Date: Mon, 24 Jun 2019 13:02:58 -0600
Subject: [PATCH] Check for lazy-loading support in the spec versions instead

Fixes https://github.com/vector-im/riot-web/issues/9966
---
 src/client.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/client.js b/src/client.js
index e2cbf4a88..920055012 100644
--- a/src/client.js
+++ b/src/client.js
@@ -3925,9 +3925,13 @@ MatrixClient.prototype.doesServerSupportLazyLoading = async function() {
                 prefix: '',
             },
         );
+
+        const versions = response["versions"];
         const unstableFeatures = response["unstable_features"];
+
         this._serverSupportsLazyLoading =
-            unstableFeatures && unstableFeatures["m.lazy_load_members"];
+            (versions && versions.includes("r0.5.0"))
+            || (unstableFeatures && unstableFeatures["m.lazy_load_members"]);
     }
     return this._serverSupportsLazyLoading;
 };