Microsoft has confirmed two known issues that are shipping as part of the latest Windows 11 non-security preview update released on December 1, 2025. The update introduces a number of new features, including a more consistent Dark Mode in File Explorer, Xbox full screen experience support for more devices, Widget Board improvements, and much more.
Unfortunately, the update will also introduce an annoying issue that results in File Explorer now flashing a white screen at you when using dark mode. When…