Having the same issue here. I use a dual monitor setup both at home and at work. Funny thing is that it seems only to happen at home. The temperature in both places is around the same. I have in both cases a ultra wide 4K 38" Monitor. At home I connect it through USB-C, the problem seems to disappear shortly after I disconnect the dual screen or reboot the mac. However at work, I don't seem to have the issue, and it is conneced with a display port with an adapter to USB-C
MrKepzie
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