Why Microsoft Is Pushing WinUI for Native Windows 11 Apps and Away From Web‑Based Solutions

WinUI renamed and focus on native Windows 11 apps

At Build 2026 Microsoft announced that the WinUI 3 framework is now called WinUI. The change removes the version number to signal long‑term stability and to avoid the perception that developers must continually adapt to new, potentially breaking releases.

Microsoft highlighted that many Windows applications are built with Electron, React Native, or WebView2. Those apps typically use more memory, start more slowly, and show inconsistent UI styles; the Outlook client built on WebView2 was cited as an example of poor performance.

Microsoft committed that it will not create a new UI framework and will not make destructive changes to WinUI, allowing developers to focus on stable, long‑term development of native applications.

Additional system‑level Shell components are planned to be migrated to WinUI, aiming for consistent interface style and performance across the platform. While other frameworks are not prohibited, Microsoft recommends using WinUI rather than Electron or similar technologies for a better user experience.

Source: Microsoft.

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