The connections is exactly the same on both S and R, and the fixes I shared yesterday will be implemented on the production models (not on the pre-production models we have already sent out).
Pre-production: 2 point GPU mount (thumb screw + Riser)
Production units: 3 point GPU mount (thumb screw + Bracket bar + Riser)
Regarding Graphite, yes, pretty soon I think as well.
Not sure we are talking about the same thing here. I meant the missing vertical rod in the S model compared to the R model: