One of my developers pointed out to me yesterday that the “Starred” option had disappeared from our private forum.
Looks like the name of this menu was changed and the upgrade I performed recently to v1.2.0 didn’t migrate that setting correctly. I am not actually sure if it was enabled here on ClarionHub previously but it is there now:
If you are logged in you can “bookmark” any topic or post you want and it will appear in your own personal bookmark list! 
Oh, and I have made all the post menu items visible by default now. No idea why some are hidden by default. Depending on your access level these are the post menu items:
