oh thank youu!
Hi! I have Librem 15v3, and i use X11 on Debian and Wayland on Fedora. I
I saw that topic but had hoped it’d be fixed in v4, somehow, or in a newer kernel 
it’s a pity that GNOME wayland doesn’t have something similar, having to edit EDID firmware (and kernel parameters) to change modelines seems kind of circuitous, but I might try anyway, first going to try with QubesOS (which is X11 based—phew!) thanks a lot