@llamafish said in The favicons of all the sites are white:
I can't help, but I just wanted to say that I'm also having the exact same issue that you're having, although I'm using Opera GX, but roughly for about the same timeframe too. So at least it's not just you, so hopefully someone may be able to help... I've tried clearing my cache, deleting my favicons file, turning hardware acceleration on and off...
I partially solved it by going to
C:\Users\USER_NAME\AppData\Roaming\Opera Software\Opera Stable\Default
and deleting the file: History
but after a few days it gradually comes back