@burnout426 Nope, it's the Opera Cashback extension. The person replying to that StackOverflow as solved has it wrong. It's the "getdify" extension, that is, the Opera Cashback feature. You can see in the screenshot above that it comes from that extension, and in the StackOverflow as well, when suggested to silence those messages, the extension that gets added to the ignore list is "getdify" aka Cashback.
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