A killer when I upgraded my blog was the builder changes in 3.1 ... they added a param that killed fast_xs http://stackoverflow.com/a/7257363/17174 http://stack

A killer when I upgraded my blog was the builder changes in 3.1 ... they added a param that killed fast_xs http://stackoverflow.com/a/7257363/17174 http://stackoverflow.com/a/7257363/17174 without fast xs you have no hpricot and woeful perf http://samsaffron.com/archive/2008/03/29/Speed+up+your+feed+generation+in+rails http://samsaffron.com/archive/2008/03/29/Speed+up+your+feed+...