Update to latest SVNI finally got a few GPs, but they don't have the "Research Tech" option now.
Either a bug (unless deliberate), or maybe it needs prereqs to enable?
I'm in Prehistory (duh), and GPs were born from researching the 3 Prehistoric religion techs.
Though I can't post a save, since I've played past this point for a while now (and used the GPs up as well).