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#1 2022-06-18 11:25:37

firewalker
Member
From: Hellas (Greece).
Registered: 2006-06-05
Posts: 520

KDE 5.25 and Firefox weird artifacts

Can someone guess what is in fault for this behavior of Firefox (no other program seems to react like this) with KDE 5.25?

https://www.youtube.com/watch?v=waFLgacmHFQ


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#2 2022-06-18 13:36:31

Maniaxx
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From: .de
Registered: 2014-05-14
Posts: 623

Re: KDE 5.25 and Firefox weird artifacts

Maybe try disabling hardware acceleration in firefox.

What gfx card and driver do you have?


sys2064

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#3 2022-06-19 20:54:41

bitterhalt
Member
Registered: 2022-06-19
Posts: 1

Re: KDE 5.25 and Firefox weird artifacts

Your are not alone. After Plasma 5.25 I get flicker and artifacts when I tile my windows left or right. This is much worse with Thunderbird.
Here is my clip:   https://webmshare.com/5KWEL

I'm on X11 session with AMD graphics.

Disabling HWA does not help.
For me this happens only with Firefox and Thunderbird.

Last edited by bitterhalt (2022-06-19 20:58:37)

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#4 2022-06-20 20:21:53

zt
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From: Rochester, NY, US
Registered: 2021-09-27
Posts: 4
Website

Re: KDE 5.25 and Firefox weird artifacts

I've also got this issue on my X11/NVIDIA (proprietary) machine. I filed a bug report: https://bugs.kde.org/show_bug.cgi?id=455675

Right now, the only workaround is to disable compositing entirely (default Alt+Shift+F12).

Last edited by zt (2022-06-20 20:22:31)

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#5 2022-06-20 20:25:52

firewalker
Member
From: Hellas (Greece).
Registered: 2006-06-05
Posts: 520

Re: KDE 5.25 and Firefox weird artifacts

I solved my issue by enabling the  resize effect.


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#6 2022-06-20 20:27:24

zt
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From: Rochester, NY, US
Registered: 2021-09-27
Posts: 4
Website

Re: KDE 5.25 and Firefox weird artifacts

How do you enable the resize effect? I can't find the option.

Last edited by zt (2022-06-20 20:27:41)

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#7 2022-06-20 20:37:18

firewalker
Member
From: Hellas (Greece).
Registered: 2006-06-05
Posts: 520

Re: KDE 5.25 and Firefox weird artifacts

Sorry, it is the Maximize Effect. System Settings > Workspace Behavior > Desktop Effect > Maximize


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#8 2022-06-20 20:45:07

zt
Member
From: Rochester, NY, US
Registered: 2021-09-27
Posts: 4
Website

Re: KDE 5.25 and Firefox weird artifacts

Unfortunately that solution doesn't work on my computer, even after reboot I still get the flickering sad
Happy you've found a solution though!!

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#9 2022-06-21 11:31:01

zt
Member
From: Rochester, NY, US
Registered: 2021-09-27
Posts: 4
Website

Re: KDE 5.25 and Firefox weird artifacts

Good news! It looks like this bug is fixed in 5.25.1: https://bugs.kde.org/show_bug.cgi?id=455675#c4

Edit: Just updated to 5.25.1, the bug is gone <3

Last edited by zt (2022-06-22 02:32:00)

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