We've been in a controlled beta of Ubuntu One now for a little more than a month. Recently, I've been hacking on the client a fair bit, porting our Nautilus extension to C, to avoid the dependency on python-nautilus, and for the extension to perform better, and not slow down desktop start up times by loading up Python. As part of this, the build system for ubuntuone-client was switched over to autotools for most stuff. We still generate a setup.py, and use it to perform a few tasks, but that should be going away soon as well. Keeping it around requires some funky magic in the build system, to pull all the necessary pieces into a release tarball correctly, and get Python pieces installed to the system. But now we have a way to build reproducible tarballs, and should be doing regular releases on Launchpad. You can find them here:

Ubuntu One Storage Protocol

Ubuntu One Client

We encourage people to build packages for their favorite distros as well, and are glad to answer any questions about how things should be packaged. If you have any questions, feel free to come bug us in #ubuntuone on FreeNode (irc.freenode.net). Enjoy!