It got posted and then pulled not long after so depending on how you were getting update notifications it likely had some overlap.
I like using the release topic as RSS to keep up to date or you can set it as “tracking” to be notified in the forums of updates. Plex Media Server - #697 by PlexReleaser
Edit: You just add .rss to the end of the URL for the topic you want as RSS and that’ll work in your RSS feed if your feed reader doesn’t automatically find it from the standard URL. So like this: https://forums.plex.tv/t/plex-media-server/30447.rss
