I have just found another essential feature that is missing in Plasma
Wayland: Under X11, I can scale outputs (at X11 level) ignoring the aspect
ratio. This is essential to unify outputs with different aspect ratios.
E.g., my notebook has a 1280×800 (8:5/16:10) display. Using xrandr --scale-
from, I can stretch this to 16:9, or even to 1024×768 4:3 which is then
stretched to 16:9 by the TV. So I see the same thing on the notebook's
built-in screen and on the TV, slightly distorted, but workable.
Today, I tried to do this trick with my PinePhone (using the convergence
dock and HDMI output). Plasma Mobile forces Wayland on me. So I look at the
options of kscreen-doctor, which is purportedly the replacement of xrandr,
and well, that dumb thing can only apply one scale factor, not different
ones for horizontal and vertical. So I cannot get truly unified outputs,
meaning the experience completely sucks. (One or the other display ends up
truncated and impossible to work with. Also because Plasma insists on
filling the larger display and truncating the smaller one instead of filling
the smaller one and letterboxing the larger one as it should.) So this means
1. Wayland will never be suitable for my notebook, and 2. one of these days
I am going to have to port Plasma Mobile to X11.
Kevin Kofler
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