(This article is part of advanced usage of the Forums.)
Do you regularly skip over or ignore certain categories? You can toggle the forum categories to expand / minimize the categories so they take less room, so you can focus on the categories that matter to you.
1. Navigate to Forums
2. Click on the "∨" (down arrow) in the category bar.
3. To un-hide, click on the "❮" (left arrow) in the category bar.
Edited by JoelR