[arch-general] New LXQt (1.0.0) with big text size, affecting other Qt apps

[Uwe Sauter]

Am 11.11.21 um 12:09 schrieb Joan Figueras via arch-general:
> On 11/11/21 12:04, Archange via arch-general wrote:
>> Le 11/11/2021 à 12:21, Javier via arch-general a écrit :
>>> On 11/11/21 01:32, Uwe Sauter via arch-general wrote:
>>>>
>>>> I'm experiencing the same with Mate. FullHD on 24" display shows fonts about twice the normal size.
>>>>
>>>> The workaround I found (not reboot safe) is to open the display settings and force a scaling factor
>>>> of 100%. Scaling factor "auto" won't do any good.
>>>>
>>>
>>> Ohh, weird, since I only experience that on Qt stuff, meaning I see no issues on GTK stuff, but I don't use a GTK DE 
>>> neither compositor/WM, :(...  Well, I got as well as the LXQt upgrade, Xorg and KWin upgrades:
>>>
>>> xorg-server-common (1.20.13-3 -> 21.1.1-2)
>>> xorg-server (1.20.13-3 -> 21.1.1-2)
>>>
>>> So perhaps a Xorg issue instead of a LXQt/KWin one?
>>
>> I don’t have time to investigate, but my sddm is affected too. So definitively not LXQt nor KWin, also my Plasma 
>> session using Kwin is not affected (I use a scaling factor of ×2 there).
>>
>> So I would say something plain Qt and Xorg related, maybe because Xorg changed the way it reports the DPI and Qt 
>> behaviour changed because of that.
>>
> I think it's related with this bug: https://bugs.archlinux.org/task/72661
> 
> For me, in XFCE, upgrading to Xorg 21.1.1-3 fixed the issue.
> 

I can confirm that updating to 21.1.1-3 make the issue disappear in combination with Mate.


> 
> Cheers
>