Could you elaborate on why realtek was chosen for the ethernet expansion card? It does tend to have a pretty bad rep, with one of the recent documentations being
https://overengineer.dev/blog/2021/04/25/usb-c-hub-madness.h...Seems to be that the realtek driver issues are mostly for Mac users, which will not be really an issue for Framework users.
I have had many issues with Realtek over the years causing windows to wake. Just changing the network card in my laptop to Intel causes that issue to go away. I won’t buy a motherboard for my desktop if it’s Realtek.