Edge can, and with an update, may, default to: https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme https://developer.mozilla.org/en-US

Edge can, and with an update, may, default to: https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme https://developer.mozilla.org/en-US/docs/Web/CSS/@media/pref... It can also modify sites after the fact to implement it's own Dark Mode.