Hi, There nothing saying we can't have roadmaps (AFAIK) and several other Apache projects do have them. For example http://subversion.apache.org/roadmap.html
I think knowing what features SDK users see as important is useful and could help shape direction and help get committers and contrubitors to pitch in. We just need to be a little careful and make it clear that it's not a roadmap in the traditional sense ie a list of features that are planned to be done by a certain date. Thanks, Justin