Both support family sharing, one just has legacy pricing. You do not need to switch to the other. We’re working to address a few reports of purchase sharing in 8.2.
We’re looking into this and will have an update soon.
Looking into a few adjustments here.
Yes, if you have separate Plex logins for each user you can link each to a different Apple profile. If you are using Plex ‘Home’ users, then we plan to support these in a future update.
It will depend on the type of streaming connection you have set up.
Emby, Jellyfin, and Plex connections will use the user account on media server for their source of truth. If you are logged into Trakt, then details on the items you watch and/or rate in Infuse will be sent there, but watched history will not be pulled from Trakt.
For all other connections (SMB, NFS, WebDAV, cloud services, etc…) Infuse will use iCloud and/or Trakt to sync watched history and/or ratings.