Platform: macOS Server · Big Sur
Server 5.11 release recorded by Apple for Big Sur.
Apple source ↗Apple dates macOS Server 5.11 to December 14, 2020, identifying it for macOS Big Sur. Its security note documents improved URL validation in Profile Manager against open redirects or cross-site scripting. This is a specific fix, not a guarantee of complete security or a date borrowed from the document's modern revision.

Apple · Server 5.11 · Security
In TidBITS on December 21, Agen Schmitz described new Profile Manager options, including installing managed apps, managing a local user's short name and skipping the Accessibility setup pane. He listed US $19.99 for new purchases and a free update. These are historical features and pricing attributed to his report.
Agen Schmitz · TidBITS · 2020-12-21
Apple distinguishes Xsan's state in Server 5.11.1: its configuration interface is hidden in new installations but continues working normally in upgrade installations. That is not the interface removal in 5.12. No exact 5.11.1 release date is invented here.
Apple · Xsan · Server 5.11.1 / 5.12
Apple's documentation explains that Big Sur and later include command-line tools for Xsan management, so Server app is no longer required to create and administer those storage networks. This entry documents the move in administration without claiming that all storage functions disappeared.
Apple · Xsan · Server 5.11.1 / 5.12
Selected releases, not a complete history. Dates follow Apple's release records, not the latest page edit. No builds are included.
ISO date: year-month-day.
Platform: macOS Server · Big Sur
Server 5.11 release recorded by Apple for Big Sur.
Apple source ↗