@FIDO - Jellyfin (which you can easily install next to, or in place of, Plex) seems to have a similar Watch Together feature. I haven’t tried it out, but it might restore this functionality for you.
@Chirping_Cat Totally agree with you. Here’s a (small) sampling of App Store reviews showing how much the whole world hates Plex’s decisions right now:
https://forums.plex.tv/t/plex-did-you-forget-this
