Macos Server 5.6.3 (2026)

(Caching Server, File Sharing, Time Machine Server)

(Mail, DNS, DHCP, VPN, Websites, Wiki, Calendar, Contacts) macOS Server 5.6.3

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 (Caching Server, File Sharing, Time Machine Server) (Mail,

Does 5.6.3 delete deprecated services? - Apple Support Community Time Machine Server) (Mail

This version is the ultimate release for macOS High Sierra 10.13.6 .