Can we have Dark Mode that stays set no matter what device we log into?  I find from time to time that I have to reset my CE to dark mode because of clearing cache/cookies or other troubleshooting issues for other sites and end up having to reset it.  Would love the Dark mode to be perma-set or even for those who want device specific for it to have device options.

well, if you clear your cache you're going to have to redo a lot. You can also run dark reader if on firefox. Both mobile and desktop.