OK, I copied the PDP stuff from the RC5 app to the RC8 app and everything works fine (at least for 5 min worth of testing!):
$ cd /Applications/ $ cp -rf Pd-0.38.4-extended-RC5.app/Contents/Resources/extra/pdp* Pd-0.38.4-extended-RC8.app/Contents/Resources/extra/
good luck, d.
PS...why do my mails takes half an hour or more to get to the list?