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Updates for Zend Server 8.5.20 (November 2022)
PHP update to PHP 18.104.22.168
Updates for Version 8.5.19 (August 2022)
PHP update to PHP version 22.214.171.124.
Updates for version 8.5.17
Updates for version 8.5.16
Updates for version 8.5.15
Updates for version 8.5.14
Updates for version 8.5.13
Updates for version 8.5.12
Updates for version 8.5.11
Updates for version 8.5.10
PHP 5.6.36 http://www.php.net/ChangeLog-5.php#5.6.36
Zend Server 8.5 supports both new installations and upgrades from Zend Server 6.x, 7.x and 8.0 versions. Upgrading from a version prior to Zend Server 6.0 is not supported. If you would like to upgrade a Zend Server that's older than 6.0, you should first upgrade to a newer version and only then upgrade to 8.5.
Limitations and Known Issues
The following issues are known at the time of the 8.0 release:
Upgrade & Installation Related