Since the latest update (Manjaro/GNOME/Wayland) in December 2022 and also with fresh installations of Manjaro 22, the accent color and cursor theme diverts from the desktop settings (GNOME). I can change cursor theme and accent color for the desktop by means of GNOME-Optimization and the extension Custom-Accent-Colors, but not for the login screen (GDM).
Since the Manjaro-Team was able to change it, there must be a way to do it. The gdm-settings app does not provide any options for GDM accent colors nor cursor theme. So, what is the trick to change it?
GDM uses the default hard-coded gnome-shell theme which is by default blue. With gnome-shell-maia, you probably noticed it uses Manjaro Maia coloring. There’s no way to change the accent color without recompiling gnome-shell with the color changes.
For the cursor theme used with GDM, edit /usr/share/icons/default/index.theme:
Unfortunately, this does absolutely nothing for me.
But the same is true for the method outlined in the Arch wiki - and the tool gdm-settings also doesn’t achieve a different cursor theme.
It doesn’t matter to me - and I’ll not continue exploring this because, as I said, I left Gnome for precisely these kinds of little things that seem so simple but are often only frustrating.
I only have it in a VM to see and test …