Sorry, I should have tested before posting. I tried disabling it, then it was clear that it still worked.
I didn’t upgrade to Tahoe yet.
But what really probably happened was that I just restarted my Mac this morning for the first time in a while, and I didn’t have a ton of windows open yet, so the desktop was more visible than normal, which meant the colors of the window frame looked different than what I’m used to. It probably didn’t help that I changed to a colorful wallpaper a few weeks ago too.
Maybe I need more coffee.
