[Implemented] Add support for av1 coding standard

[Kidsnd274]

It’s finally out for the desktop Plex clients!

Plex for Mac, Windows, and Linux

Version 1.59.1 has been released for Plex for Mac, Windows, and Linux. NEW: Added support for AV1 encoded videos Discover Credits: Items from libraries with the “Include Adult Content” setting enabled will now show up in hubs Discover together - Added trending items to activity feed. Discover: Updated zero state copy for “Watch from these locations” hub Where to Watch: Respect PMS library “Visibility” setting when showing items in “Watch from these locations” hub FIXED: Discover Credits: C…