KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE’s software runs on GNU/Linux, BSD and other operating systems, including Windows.
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If it hasn't, report it yourself.
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After an update I noticed discover was this weird yellow color, I opened settings and noticed it too was yellow, thinking it was some bug, I restarted PC, now everything is yellow. I tried inverting colors but that is something completely different. I'm not even sure what was updated to cause this.
I'm running mint 21.3 with plasma 5.27.11
Oh I see, that is odd. I thought your background was yellow beforehand. Is it perhaps plasma's Night Light? That will tint everything yellow when it's enabled.