From 4b29af6b5f9ffd6735dc4dff713d5945fe7b1019 Mon Sep 17 00:00:00 2001
From: Hristo Terezov <hristo@jitsi.org>
Date: Thu, 23 Feb 2023 14:55:02 -0600
Subject: [PATCH] fix(lastN): Update only if neccessary.

---
 react/features/base/lastn/middleware.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/react/features/base/lastn/middleware.ts b/react/features/base/lastn/middleware.ts
index bb2b9ff32..bd80c67b2 100644
--- a/react/features/base/lastn/middleware.ts
+++ b/react/features/base/lastn/middleware.ts
@@ -88,7 +88,11 @@ const _updateLastN = debounce(({ dispatch, getState }: IStore) => {
         lastNSelected = 1;
     }
 
-    dispatch(setLastN(lastNSelected));
+    const { lastN } = state['features/base/lastn'];
+
+    if (lastN !== lastNSelected) {
+        dispatch(setLastN(lastNSelected));
+    }
 }, 1000); /* Don't send this more often than once a second. */