Microsoft WinUI Primary Transformation Win11: Start with the start menu and reduce reliance on web technology

IT House June 5th News, Technology Media Windows Latest yesterday (4 June) published an article in which it reported that in 2026, at the Build Development Conference, Microsoft adjusted the bottom line of Windows 11, confirming that Windows 11 shell core parts would be rewritten using WinUI primary code and reducing the system ' s reliance on web technology.

At the Build Congress, Microsoft stated that Windows 11 had adjusted its interfaces over the past few years, many of which were based on Electron (cross-platform desktop framework),React Native (cross-platform interface framework) and WebView programmes, resulting in high memory occupancy, slow start-up,CPU Increased activities and animated Carton.

Microsoft's next improved focus clearly indicates that WinUI becomes the Windows 11 long-term UI development framework. In order to dispel the development concerns about whether “WinUI 4 is going to replace the existing framework”, Microsoft announced that it would no longer emphasize “WinUI 3” and that it would be called WinUI in the future.

Microsoft revealed at the Build Congress that the company team was accelerating WinUI, currently rewriting the core of Windows 11 shell, and that more first-party functions would be built directly on the original framework.

IT House Note: Windows 11 is a graphical user interface (GUI) between the user and the operating system, which is managed by the resource manager and presents core elements such as desktop, taskbar, start menu and file management.

Microsoft's current first rewrite item focus start menu for " Recommended " information stream and " All applications " list section, from the original React Nature rendering to original WinUI.

Microsoft also emphasized the higher priority given by teams to performance, basic competencies and quality beyond the re-shell. Microsoft claims that in recent months, significant optimization has been made for base memory occupancy, while the framework has been switched to a new system synthesizer to improve the flow of complex interfaces.

Microsoft acknowledges that WinUI also has a number of bugs and weaknesses, such as the black edges and torn-ups of primary applications such as photographs in large hours of adjusting windows.

Microsoft also completes the development of common components by enterprises, including DataGrid and Charting, to reduce the reliance of developers on third-party banks.

Microsoft also synchronized the launch of experimental projects. Microsoft UI Reactor, plan to build a declarative WinUI interface with pure C# to reduce dependence on XAML and be more appropriate GitHub Copilot et al. AI coding assistant understands and generates code.

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