Why not sort by date desc when filtering for unanswered tags?
The current interface sorts by vote then date.
Is it possible to choose?
There is a new navigation being tested at the moment http://meta.stackoverflow.com/questions/308875/new-navigation-release-candidatehttps://meta.stackoverflow.com/questions/308875/new-navigation-release-candidate but the test version is not available on SuperUser.
The new navigation will you to sort unanswered questions aka needs answer by:
- active,
- newest, or
- votes
Here is a screenshot showing the new test interface on StackOverflow