I don't use KDE however I've used Flameshot for a couple of years now
and it's always worked flawlessly in GNOME under Wayland and Xorg.

https://www.archlinux.org/packages/community/x86_64/flameshot/


On Sun, 2020-11-01 at 19:20 -0700, Michael Butash via PLUG-discuss
wrote:
> Since my last (arch) system update, I can't seem to find any
> screenshot tools that work anymore in kde.  Wondering if anyone has
> any recommendations what works for them lately
> 
> I've used spectacle from kde for like a decade now as one of my
> favorite tools, and just as of a few months ago, it's gone to hell
> for me, and just crashes if I try to take a screenshot of a selected
> area.  Trying shutter recently from gnome, it sort of works at times,
> other times tends to crash when trying to take a screenshot of a
> selected area as well.  I've tried some others I've already forgotten
> the names of a while back, nothing seems to work anymore.  
> 
> I somewhat blame stupid wayland shenanigans in change, I'm not even
> using wayland, but all the major kde news is about wayland, that
> seems to just be bringing the whole thing down around their ankles. 
> Whatever kde is doing lately is just bringing it back 10 years in
> stability.
> 
> It's so hard to find good software these days.
> 
> -mb
> 
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