As mentioned below there is a problem using PAF with the version 6 betas. There are reasons to think that things have improved. Installation works much better, and I haven't been able to get PAF to crash. Unfortunately, those things don't seem like much if you can't really use a text-based program because the text is gone.
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There is actually a problem with text not showing up under the "Pedigree" tab in CXO 5, but PAF was still very usable since that was the only place that didn't seem to have text.