I have many loops used the re-pitch algo for sounddesign. the difference is really big, partial the whole rhythm is completely different. other algos also sound different, but that`s not such a big problem.
here you can download a small example liveset for L4 and a L5 liveset including the rendered L4 loops. (~1 MB)
www.kabelton.de/warp_test.zip
please ableton, can i expect a fix for that soon, or have i render hundreds of re-pitch loops the next weeks...