It’s been a while since anything related to religion and transhumanism passed across my radar (or I’ve been working on other things and just haven’t been paying attention). However, here’s a recent interview on Changesurfer Radio where James Hughes interviews Brent Waters about his slant on Christianity and Transhumanism. See: Do Christians Need Bodies?.
And here’s a list of related books by the conversation partners.
Waters also has an essay “Whose Salvation? Which Eschatology ? Transhumanism and Christianity as Competing Salvific Religions” in