Also in macOS recently, I've set a solid color and it has reverted itself to som...

		wlesieutre 10 months ago \| parent \| context \| favorite \| on: Why did Windows 7 log on slower for months if you ... Also in macOS recently, I've set a solid color and it has reverted itself to some default forest photo several times. I suspect this is related to the System Preferences rebuild, since it's worked fine for 20+ years of OS X before that.