On December 2, 2025, Microsoft released the optional update KB5070311 to Windows 11 users, applicable to both versions 25H2 and 24H2. This update is primarily geared towards refining the dark mode, expanding its reach to encompass the legacy dialog boxes within File Explorer and thus eliminating the visual discord caused by white pop-up windows. Moreover, it modifies the height of the search interface so that it harmonizes with the Start menu, creating a more visually cohesive experience. Additionally, this update brings in a new 'drag-and-drop tray' toggle switch, streamlining the process of dragging multiple files and enhancing the recommendation algorithm for a smoother user experience. Windows Studio Effects are also introduced, enabling AI-driven effects like background blur and eye contact correction for external USB webcams as well as rear-facing laptop cameras. From a system security standpoint, the update addresses the LSASS vulnerability, mitigating issues that could potentially result in login failures or system instability for enterprise users. Furthermore, it tackles problems such as Explorer crashes and the failure to display video thumbnails, thereby bolstering the overall stability of the system.