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)
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
As a legacy version, 5.6.3 has developed several significant maintenance challenges for those still running it: