Messages stay unread
Fragment of a discussion from Support/LiquidThreads
Reloading the page will update the unread count in my experience.
I read your reply and pressed Ctrl-F5 (this is Firefox 3.6 on Windows XP).
I still see New messages (1).
...And after i replied and pressed Ctrl-F5 again, i still see New messages (1).
Hmm, "Show preview" doesn't work.