@TeamYouTube Hi. Sorry to say that something is off with YT. Yesterday, July 12, my personalization disappeared & (I think) YT reset itself to the old version - it looks all wrong! There are no options under my changed icon; none! I've done all the troubleshooting, so...???
PC/Chrome. I'm including 3 screenshots: a Dark Theme, which looks normal, that I took from Chrome; plus 2 Light Themes, which is what it now looks like while signed in to "my Chrome" - all signed in to Google. I don't know if that's connected but I did double check Chrome 1st...