San Francisco: Meta has discontinued Chromecast functionality from Quest VR headsets via a software update with the build number (firmware version) 60.0,
According to Meta, if you wish to display the content from your Quest headsets on an external display like a Chromecast device, you will need to cast the feed to either your smartphone or computer first, and then mirror the screen of that device to the Chromecast. Meta Discontinues Support for ‘Chromecast’ From Its Quest VR Headsets via Software Update: Reports.
Plex can take your movies, TV shows, music, and photos and give them the Netflix treatment for the ultimate at-home or away-from-home streaming experience.