The top bar of the AncestryDNA Member Matches section now looks like this:
Clicking in the “Search matches” box causes the box to expand and reveal the new search boxes:
Both seem to work well, and I suggest you use the search feature to mine your matches. For example, I found a number of matches for several unique surnames and locations in my tree that I had missed in the flood of matches over the past six months.
New Ethnicity Estimates Coming Soon
At “The First DNA Day at the Southern California Genealogy Society Jamboree,” I discussed the changes to the ethnicity algorithms and reference populations that AncestryDNA was planning to implement by the end of 2013: