Windows 3 through windows 7 had pervasive support for dark mode as long as application developers didn't custom paint their user interfaces. Application developers started out almost all supporting system colors and gradually over the next 25 years or so started implementing their own custom-drawn interfaces, accelerated by embedded IE/mshtml views and then later even more by Electron. This concluded with practically zero interfaces supporting the system color scheme.
alt Hacker News
Windows 3 through windows 7 had pervasive support for dark mode as long as application developers didn't custom paint their user interfaces. Application developers started out almost all supporting system colors and gradually over the next 25 years or so started implementing their own custom-drawn interfaces, accelerated by embedded IE/mshtml views and then later even more by Electron. This concluded with practically zero interfaces supporting the system color scheme.