Hi,
The Webuzo Team has updated the PHP's provided with Webuzo with internal configuration changes as well as version update.
PHP 5.6 and 7.0 :
5.6 and 7.0 don't have any version updates but we have included a new service file for PHP-FPM which fixes an issue where the service won't start after hard reboot.
PHP 7.1 and 7.2
7.1 and 7.2 receive minor version update as well as the new service file to fix start-up issues.
Change log for PHP 7.1 can be checked at the following link:
http://sg2.php.net/ChangeLog-7.php#7.1.18
Change log for PHP 7.2 can be checked at the following link:
http://sg2.php.net/ChangeLog-7.php#7.2.6
We hope this update fixes most of the 50x errors encountered for your websites.
Let me know in the comments if you are facing any issues with upgrade or want to know more about the new service file, I will try to answer as many as I can.