Nautilus as one thing. It have difficult handle 1000+ images without crashing.
Does Cosmic Files use Tracker3, if it is did you try to disable it and try if it crash again ?
I said that because if Cosmic Files can't handle 1000+ images without crash, Tracker3 could be the culprit, but apparently it use another caching engine who could be your culprit 
It is the same when you are in list view ?
I think I phrased myself wrong. It's nautilus I use in Cosmic DE, because Cosmic file file browser doesn't support copy/paste on the rename option yet.
I tried Cosmic, for me this DE is not ready yet. Gnome, Cinnamon, Kde plasma are ahead by a lot.
Oh ok I misunderstood
They have years of development, so it's quite amazed how far Cosmic DE has come on short time.
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Sure it is. I don’t know what kind of users they’re aiming for with Cosmic.
We/I aren't finished the artwork of aerynOS (we're also making a new page), but my wallpaper made it on the frontpage 
My KDE setup
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Thank you.
Nice and clean ! Could you share the themes ?
Thanks
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OOh, nicely fractal....
Love the backlit wave against the lowering sky. Plus teal is a favorite color.
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The folks at AerynOS have good taste
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Zorin 18 Wayland with dash to dock extension
GTK: Material Oceanic Material GTK Themes - Gnome-look.org
Icons: Bes-own-circle-teal
Background: Vector of unknown origin.