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
and integrated directly into the standard macOS System Preferences. Critical Post-Release Issues (2020–2025) macOS Server 5.6.3
(Caching Server, File Sharing, Time Machine Server) It served as a preparation point for the
This version is the ultimate release for macOS High Sierra 10.13.6 . including Late 2009 MacBooks and iMacs
Compatible with Macs capable of running High Sierra, including Late 2009 MacBooks and iMacs, and Mid 2010 Mac minis, Pros, and MacBook Pros.