Nope, Plex doesn’t typically post timelines/roadmaps.
I’m not sure with Mac but it should similar to Windows instructions: How do I roll back the version of Plex? - #7 by OttoKerner
For guide data issues, please start a new thread in: https://forums.plex.tv/c/general/plex-features and tag it with livetv-dvr or add to this thread: New Plex Guide Very Poor in UK
