Re: about:config
Reply #1 –
Some kind of link in that dialog could make sense, but I'm afraid that it would look ugly...
Keep in mind that sooner or later there will be options that could "break" stuff, other browsers do not expose that page for a reason.
Completion popup is not as trivial as it might look, it needs good algorithm to order entries correctly (maybe utilizing some options to fine tune it). I'll have to redo bookmarks and history storage first, to expose more data that could be useful for sorting algorithm.