I've just installed a pulse-eight adapter to my 10th gen NUC. I'm not sure if it's connected as i'm fairly sure i've saw these before but i've definitely noticed it more now.
On certain kodi components, certain videos i see these green artefacts, sometimes they pop in as pixels, other times like lines across the screen.
Posting this here but given there are some videos i may never see it i'm thinking it could be a kodi issue but genuinely don't know at this stage. I've attached a video just for further info. The video is taken just from the kodi settings page.
New video by Chris Dixon
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