I'm a new Live user and I cannot believe that you can't do this! I work in film and TV music. It's just not feasible to use Live for a session without audio crossfade, despite it being wonderful in many ways. A colleague said that Live was not up to scratch for audio editing and I didn't believe him. Now I understand
I've seen lots of posts about this and (unrealistic) workarounds, but I don't see the lovely people in the Ableton team responding (please correct me if I've missed them). Whats happening with this guys? Is it in the pipeline?