Zend Server 2021.4

This page points to some key features and getting started info.
Use these links to access the complete documentation:

Zend Server User Guide Cloud Integration Guide Try Zend Free

What’s New in Zend Server 2021.4.2?

The following is a summary of what's new in Zend Server:

Zend Server 2021.4.2 picks up LTS patches introduced in ZendPHP, providing fixes for each of CVE-2025-1219, CVE-2025-1736, CVE-2025-1861, CVE-2025-1734, and CVE-2025-1217, which primarily address TLS issues in the PHP stream API.

See What's New in 2021.4