Screen flickering to black in menus

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    Specs: Raspberry Pi 4b, LibreElec 11.0, 4k monitor (HDMI)

    Hello, I'm experiencing strange behavior where the screen will flicker periodically to black while in Kodi's menus. This can render the GUI almost unusable. Video playback is not affected however. Either rebooting or changing the resolution fixes it, at least for the time being. I haven't been able to reproduce this glitch reliably, although it's usually triggered by stopping playback of a video. I will be happy to provide more info if needed, thanks.