When there are new posts, it doesnt show me which posts are new in the forum view... only in the forums overview - if ya get what I mean :P
it tells me how many new posts there are in "Bug Reports" but when I go into bug reports, I cant see which posts are new and/or which have new msgs... like ya could on the old forum :P
This has been reported before, for example in this thread Try clearing your cookies has been suggested. If all else fails, change the "show active" at the bottom of that index to a shorter time..that at least narrows it down if you check often.