Todolisted, but with a low priority.
(I don't consider uncluttering things with a lot of clutter my responsibility... in fact each time I lower the pain threshold, I just enable more clutter to be added... it's a never-ending vicious cycle)
Btw. what should happen when a hidden article is opened directly, i.e. by a middle click?
And what should happen when you then press the Next button once and the Previous button once?