Macos Server 5.6.3 Here

The defining characteristic of version 5.6.3 is how it handles traditional server services. This version began the process of services from new installations to signal their upcoming removal. Feature Type Status in 5.6.3

(Mail, DNS, DHCP, VPN, Websites, Wiki, Calendar, Contacts)

macOS Server 5.6.3, released on , stands as a pivotal "bridge" version in the history of Apple's server software. It was specifically designed to be the final version for users on macOS High Sierra (10.13.6) who needed to maintain traditional "open-source" server features before Apple's radical shift toward management-only tools. Core Purpose and Compatibility macOS Server 5.6.3

Compatible with Macs capable of running High Sierra, including Late 2009 MacBooks and iMacs, and Mid 2010 Mac minis, Pros, and MacBook Pros.

As a legacy version, 5.6.3 has developed several significant maintenance challenges for those still running it: The defining characteristic of version 5

Does 5.6.3 delete deprecated services? - Apple Support Community

This version is the ultimate release for macOS High Sierra 10.13.6 . It was specifically designed to be the final

It served as a preparation point for the subsequent macOS Mojave-compatible version (5.7.1), which removed the vast majority of server features. The "Deprecated Services" Turning Point