Update 0.1.6.md

documentation/docs/changelog/0.1.6.md

@@ -45,6 +45,7 @@ Not yet released.
 - Added checks to remove apt cache and temporary files after install process
 - [Custom cron file `/etc/cron.d/openpanel`](#etccrondopenpanel)
 - [OpenAdmin login log](https://dev.openpanel.co/logs.html)
+- [Default PHP version change is now logged](#log-php-change)
 
 
 -----
@@ -275,3 +276,12 @@ OpenPanel now utilizes a custom cron file located at `/etc/cron.d/openpanel` ins
 ### remove apt cache
 
 Added checks to [remove apt cache](https://linuxier.com/how-to-clear-apt-cache-in-ubuntu/) and temporary files after install process
+
+
+-----
+
+### Log PHP change
+
+When user modifies the default PHP version for CLI and new domains, the system logs this action in their activity log.
+
+![php_v_change](https://i.postimg.cc/XNKymZ0C/2024-04-10-12-14.png)