When searching on SO, I really don't care about the "Relevance" tab. I much prefer the "Newest" or "Active" tabs.
I would like to be able to search either by "Newest", "Votes" or "Active" results, without having to click another tab after searching. You can call me lazy, but I prefer "efficient".
I was thinking something along the lines of:
If no "results:" option is specified, then it would continue to search using the "Relevance" tab as default, since that's how it behaves now.
I hope this hasn't been asked already, but with so many questions just being titled "Advanced search features", I may have missed a duplicate.