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Microsoft Aims to Speed Windows with 'Leap Forward' in WinUI 3 Perf

Beth Pan said the framework will cut allocations and function calls, with File Explorer showing a 25% reduction in WinUI code time.

Summary by The Register
Microsoft claims to have achieved a "leap forward" in performance for WinUI 3, the current native framework for Windows apps, with a 25 percent improvement for the parts of File Explorer coded using this framework. Software engineer lead Beth Pan posted figures for the WinUI portion of File Explorer, showing 41 percent fewer memory allocations and 45 percent fewer function calls. She added that some optimizations "involve small or large breaking…

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Microsoft is working to make Windows 11 noticeably faster. We've reported on this a number of times, but now the company is revealing that they're not just rebuilding parts of the operating system - they're also improving the very framework Windows is built on. Microsoft is finally taking Windows 11 performance seriously - optimizing several parts of the OS As part of the Windows K2 initiative, Microsoft is migrating core components of Windows 1…

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itavisen.no broke the news on Wednesday, May 13, 2026.
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