The threads are still there - it looks to me like it might be in the forum default settings as to which threads show? (If you scroll down the page on the forex forum, mine is showing option "last day" under show threads).
Seems you can over-ride it with your own options settings - I've got mine set on "last month" and seem to be able to see a months worth. Go to your Settings/General Settings and scroll down till you find "default thread age cutoff". It doesn't affect searching for older threads, so perhaps the easiest way to deal with this problem?
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