From 836edad6cfdc6b42dc7dac50d68cad521a717d38 Mon Sep 17 00:00:00 2001
From: Shawn <506895667@qq.com>
Date: Mon, 29 May 2023 18:08:39 +0800
Subject: [PATCH] chore: update change logs

---
 changes/v4.4.19-en.md | 4 ++++
 changes/v4.4.19-zh.md | 6 +++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/changes/v4.4.19-en.md b/changes/v4.4.19-en.md
index 13d81268f..8419d7ca4 100644
--- a/changes/v4.4.19-en.md
+++ b/changes/v4.4.19-en.md
@@ -1,5 +1,9 @@
 # v4.4.19
 
+- Added support for TCP keep-alive in MQTT/TCP and MQTT/SSL listeners [#10854](https://github.com/emqx/emqx/pull/10854).
+
+  A new configuration option has been added: `zone.<zone-name>.tcp_keepalive = Idle,Interval,Probes`. Users can enable the TCP layer's Keep Alive feature and specify time parameters using this configuration. This configuration is only effective on Linux and MacOS systems.
+
 ## Enhancements
 
 - Improving error logs related to Proxy Protocol [emqx/esockd#177](https://github.com/emqx/esockd/pull/177).
diff --git a/changes/v4.4.19-zh.md b/changes/v4.4.19-zh.md
index d50596ff9..578fdb26e 100644
--- a/changes/v4.4.19-zh.md
+++ b/changes/v4.4.19-zh.md
@@ -2,6 +2,10 @@
 
 ## 增强
 
+- 为 MQTT/TCP 和 MQTT/SSL 监听器增加 TCP Keep Alive 的支持 [#10854](https://github.com/emqx/emqx/pull/10854)。
+
+  现在增加了一个配置项：`zone.<zone-name>.tcp_keepalive = Idle,Interval,Probes`，用户可以通过此配置来启用 TCP 层的 Keep Alive 功能并指定时间参数。此配置仅在 Linux 和 MacOS 系统上生效。
+
 - 改进 Proxy Protocol 相关的错误日志 [emqx/esockd#177](https://github.com/emqx/esockd/pull/177)。
 
   改进之前的日志样例:
@@ -18,7 +22,7 @@
   ```
 
 - 增加了一个新功能，为 TLS 监听器启用部分证书链验证[#10553](https://github.com/emqx/emqx/pull/10553)。
-  
+
 - 增加了一个新功能，为 TLS 监听器启用客户端证书扩展密钥使用验证 [#10669](https://github.com/emqx/emqx/pull/10669)。
 
 ## 修复