Well, I also miss it !
I simply love this feature. It would be nice if its there in all themes.
Forum Jump is nice, but it's a huge code bloat. The way it works is by adding a copy of every forum name and URL -- to every page. This means that every page you load is much larger and takes longer to download. It makes the whole forum seem just a bit slower.
I can add it to this theme, but I recommend against it.
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