I have them, I unticked PTC the other day so was on 21, today I reticked PTC and the v23 it download came with the not that link is now out of beta etc. I have the different refresh rates option plus the slider to increase render resolution. Now bitrate seems to default to 500Mbps, haven't done much testing but a quick look at a couple of games and the update seems significantly better, definitely smoother as well.
Same problem here...thick PTC to get v23 but in Graphics Preference it show only 72Hz (Recommended), Automatic (Recommended) is thick and Render Resolution (4128x2176) is grey out. If I untick the Automatic selection I then can change the Render Resolution from 1.0x to 1.3x but the refresh rate remains at 72Hz whithout any option for 90Hz...
I try unticking PTC to go back to v21 and rejoin PTC for another try at v23 but same result...There is no 90Hz selection...
I'm using the Oculus cable and it was detected as USB 3.
BTW where can I found the bitrate?