Server Version#: 1.18.6.2368-97add474d
Player Version#:Vizio TV / TCL TV
Upgraded Synology based server to version above. Attempted to use embedded Plex client on two different TVs. Server stopped running as soon as client attempted to connect. Browser based client works fine. Downgraded server to 1.18.3.2156-349e9837e and everything works fine. Nothing in the server log to indicate what the problem was.