Disable the option for "Automatically Check for Updates" to prevent the server from overriding version 0.9.17.0 with a modern release. Security and Technical Risks of Running Legacy Plex
Modern versions of Plex Media Server require modern operating systems. If you are running a vintage home server, an old Network Attached Storage (NAS) device, or an obsolete operating system (like Windows 7, older macOS versions, or vintage Linux distributions), the current Plex installers will refuse to install. Version 0.9.17.0 remains highly compatible with older x86 and ARM hardware architectures. 2. Resource Constraints plex media server version 09170 full
Better heuristics were implemented to pick the correct audio stream, particularly useful for files with multiple language tracks. Disable the option for "Automatically Check for Updates"