Now that Pd can be built on all platforms without patches, I think we can have a "pd-vanilla+libs" distro that is based on an unpatched pd- vanilla build. It could also have a more limited subset of included libraries, much like others have been proposing. They would be having the same library format and install methods as Pd-extended, so that patches would be compatible.
It's just a matter of someone doing the work. I'll contribute where I can.
.hc
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'You people have such restrictive dress for women,’ she said, hobbling away in three inch heels and panty hose to finish out another pink-collar temp pool day. - “Hijab Scene #2", by Mohja Kahf