Interesting login graphical login glitch after logging back in

Uptime for about 2 days, tried to login and the screen was all black with the login and some artefacts only visible when trying to type the password, when i finally logged in the screen went all and flickering, but it did go back to normal after 30 seconds or so.

Graphical driver glitch ? Or maybe the dynamic wallpaper..

Machine is iMac 21.5, running Sonoma.

Otherwise it has been running amazing.

submitted by /u/atvvta
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