>>When trying to create a new thread in the Chatter forum, the category dropdown list is not updating properly after the forum is selected/changed. As a result it's not possible to select a correct category for the chosen forum; when you try to save your message you get:
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>I cannot simulate that. Is that something you have all the time? Also, what browser are you using? In regards to that, it is the same javascript as before. So, at this point, I cannot see why it woulnd't work.

It doesn't work correctly for me either in FF 3.0.1. The list of categories seems to be picked randomly when forum changes.