docs: split change logs

We will start collecting change logs and release notes using scripts.

CHANGES-4.3.md

@@ -10,18 +10,7 @@ File format:
 - One list item per change topic
   Change log ends with a list of GitHub PRs
 
-## v4.3.22
-
-### Enhancements
-
-- Add a warning log if the ACL check failed for subscription. [#9124](https://github.com/emqx/emqx/pull/9124)
-  This is to make the ACL deny logging for subscription behave the same as for publish.
-
-### Bug fixes
-
-- Fix that after receiving publish in `idle mode` the emqx-sn gateway may panic. [#9024](https://github.com/emqx/emqx/pull/9024)
-- "Pause due to rate limit" log level demoted from warning to notice [#9134](https://github.com/emqx/emqx/pull/9134)
-- Restore legacy `emqx_auth_jwt` interface to keep hooks working after relup. [##9144](https://github.com/emqx/emqx/pull/9144)
+## For 4.3.22 and later versions, please find details in `changes` dir
 
 ## v4.3.21
 
@@ -63,7 +52,7 @@ File format:
 - Fix HTTP client library to handle SSL socket passive signal. [#9145](https://github.com/emqx/emqx/pull/9145)
 
 - Hide redis password in error logs [#9071](https://github.com/emqx/emqx/pull/9071)
-  In this change, it also included more changes in redis client:
+  More changes in redis client included in this release:
   - Improve redis connection error logging [eredis #19](https://github.com/emqx/eredis/pull/19).
     Also added support for eredis to accept an anonymous function as password instead of
     passing around plaintext args which may get dumpped to crash logs (hard to predict where).

changes/v4.3.22-en.md

@@ -0,0 +1,12 @@
+### Enhancements
+
+- Add a warning log if the ACL check failed for subscription [#9124](https://github.com/emqx/emqx/pull/9124).
+  This is to make the ACL deny logging for subscription behave the same as for publish.
+
+### Bug fixes
+
+- Fix that after receiving publish in `idle mode` the emqx-sn gateway may panic [#9024](https://github.com/emqx/emqx/pull/9024).
+
+- "Pause due to rate limit" log level demoted from warning to notice [#9134](https://github.com/emqx/emqx/pull/9134).
+
+- Restore old `emqx_auth_jwt` module API, so the hook callback functions registered in older version will not be invalidated after hot-upgrade [#9144](https://github.com/emqx/emqx/pull/9144).

changes/v4.3.22-zh.md

@@ -0,0 +1,12 @@
+### 增强
+
+- 订阅时，如果 ACL 检查不通过，打印一个警告日志 [#9124](https://github.com/emqx/emqx/pull/9124)。
+  该行为的改变主要是为了跟发布失败时的行为保持一致。
+
+### 修复
+
+- 修复 emqx-sn 插件在“空闲”状态下收到消息发布请求时可能崩溃的情况 [#9024](https://github.com/emqx/emqx/pull/9024)。
+
+- 限速 “Pause due to rate limit” 的日志级别从原先的 `warning` 降级到 `notice` [#9134](https://github.com/emqx/emqx/pull/9134)。
+
+- 保留老的 `emqx_auth_jwt` 模块的接口函数，保障热升级之前添加的回调函数在热升级之后也不会失效 [#9144](https://github.com/emqx/emqx/pull/9144)。