From fcf1178f3b0e80c34fee70e707eba55ca26937f7 Mon Sep 17 00:00:00 2001
From: JianBo He <heeejianbo@gmail.com>
Date: Mon, 14 Mar 2022 17:48:17 +0800
Subject: [PATCH] chore: update CHANGES-4.3.md

---
 CHANGES-4.3.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGES-4.3.md b/CHANGES-4.3.md
index 04447e220..a8f0ac8ba 100644
--- a/CHANGES-4.3.md
+++ b/CHANGES-4.3.md
@@ -27,6 +27,7 @@ File format:
 * Add UTF-8 string validity check in `strict_mode` for MQTT packet.
   When set to true, invalid UTF-8 strings will cause the client to be disconnected. i.e. client ID, topic name. [#7261]
 * Changed systemd service restart delay from 10 seconds to 60 seconds.
+* MQTT-SN gateway supports initiative to synchronize registered topics after session resumed. [#7300]
 
 ### Bug fixes