Should (auto) generate breadcrumb links on all the subpages based on the hierarchy of the file.
I guess this is implemented now, isn't it?
In progress since two years .. is the project still alive ?
@Franck Lowel: Just because this specific task is not yet completed, doesn't mean the project is not alive. Other priorities are simply being worked on first.
Seconded, the accordion when browsing all pages is really well thought off and useful because it preserves/highlights the semantics that authors of the wiki have tried to put in place.
When a page is reached/clicked upon, all that semantic is lost.
Breadcrumb links could elegantly solve that problem.
something like this :