I can't seem to find ReSharper_ExtendSelection in R# 9. I had some problems with the keyboard mapping in 8 which I worked around, but the command seems to be completely absent in 9. It doesn't show up in the list of commands when you do keyboard mapping, nor does it show up in the key list when you Export Settings. I searched for ReSharper.*Extend with no joy, and tried it from the Command Window.
Anybody know where it went?