>- Getting code merged upstream is pert near impossible. It takes forever to get code reviewed, patches are dropped all the time, etc. Many people have noted this but there doesn't seem to be a willingness to change processes to address it.
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>- Cathedral model of development. This is a matter of taste but I think people generally prefer the bazaar model.
Refusal to use anything but SVN...not sure if that's cause or effect in this case.