Programmer Nicholas Moline looked at the lineup for a May 27 Google conference and, lo and behold, a session on “Developing extensions for Google Chrome” was scheduled. That likely means extension support will arrive before then, or at least at the same time. Now we’ll see if extension support could really get users to switch. Oh, and whether Mac or Linux versions launch before, simultaneously with, or in the never-ending “soon” after the extension features come out.