High DPI not detected?

Submitted by Aleksandr Mezin `@amezin`

Description

I heard that at least latest versions of Gnome should auto-detect high DPI screens and automatically scale correctly.

It never worked for me. Currently running Gnome 3.28.0 on Arch, Wayland session. I had to manually configure scaling. GDM screen isn't scaled too (and I can't find a way to configure scaling on it).

My setup:

LG 27UD69P (3840x2160, 27 inch)
Dell P2415Q (3840x2160, 23.8 inch)
Radeon RX 580
Arch Linux - most probably latest stable releases of everything, without any custom patches

Version: 3.28.x

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High DPI not detected?

Submitted by Aleksandr Mezin @amezin

Description

Submitted by Aleksandr Mezin `@amezin`