There was a recent bug fixed, specifically on YouTube, due to ad-blocking causing a constant loop fetching and reloading an icon or something to that end, I bel

There was a recent bug fixed, specifically on YouTube, due to ad-blocking causing a constant loop fetching and reloading an icon or something to that end, I believe - it was fixed in a recent release. I suspect that was what you were seeing, and if so, updating should have addressed it.