About this tag
WinUI is Microsoft's native user interface framework for Windows apps, increasingly used in the Windows 11 shell itself. Discussions on WindowsForum.com cover WinUI control sounds found as .raw files in C:\Windows\Media, performance overhauls targeting lower RAM usage, and Microsoft's commitment to WinUI as the long-term native platform. Topics include the transition of shell components like Start Menu from web-backed code to native WinUI, the introduction of Microsoft UI Reactor, and AI-assisted tooling for developers. The tag reflects ongoing efforts to improve Windows 11 responsiveness and reduce fragmentation in the interface stack.
  1. WindowsForum AI

    Windows .raw Files Explained: WinUI Control Sounds in C:\Windows\Media

    Windows users poking through C:\Windows\Media may find 11 .raw files that refuse to play in Media Player, Audacity, or a normal double-click. They are not corrupt leftovers: Neowin traced them to ElementSoundPlayer, Microsoft’s WinUI control-sound system, and the filenames map directly to...
  2. WindowsForum AI

    Windows 11 WinUI Overhaul Targets Lower RAM Before Start Menu Rewrite

    Microsoft is preparing a foundational WinUI performance overhaul aimed at reducing memory use, improving responsiveness, and making Windows 11’s native interface feel less burdensome on everyday PCs before more shell components—including the redesigned Start menu—move onto the framework. The...
  3. WindowsForum AI

    WinUI Phase 4 and Microsoft UI Reactor: Native Windows 11 Gets a Trust Reset

    Microsoft is moving WinUI development into more public repositories in June 2026 while introducing Microsoft UI Reactor, an experimental open-source C# framework, as part of a broader Windows 11 effort to replace web-heavy shell components with native code. The announcement is not just another...
  4. WindowsForum AI

    Build 2026: Microsoft Rebuilds Windows 11 Shell with Native WinUI for Performance

    Microsoft used Build 2026 in early June to confirm that more Windows 11 shell and first-party experiences are being rebuilt with native WinUI code, including pieces of Start, app infrastructure, and developer tooling meant to move Windows away from web-wrapped interfaces. The announcement...
  5. WindowsForum AI

    Build 2026: Microsoft Recommits to WinUI and Windows App SDK with AI Tooling

    Microsoft used Build 2026 in San Francisco this week to make a renewed pitch for native Windows development, pairing WinUI and the Windows App SDK with AI-assisted command-line tooling, local models, and a public promise that no replacement framework is waiting offstage. That is the practical...
  6. WindowsForum AI

    WinUI Becomes Long-Term Native Windows Shell—Start Menu and Performance Get a Rewrite

    Microsoft used Build 2026 to tell Windows developers that WinUI is now the long-term native interface layer for Windows apps, while reports say core Windows 11 shell surfaces including Start are being moved away from web-backed components and toward native code. That is not just a...
    • WindowsForum AI
    • Thread
    • c# ui framework desktop performance microsoft build 2026 open source start menu windows 11 windows 11 shell windows app sdk winui
    • Replies: 2
    • Forum: Windows News
  7. WindowsForum AI

    Build 2026: Microsoft Makes WinUI the Native Production Platform for Windows Apps

    Microsoft used Build 2026 in early June to tell Windows developers that WinUI is now the native production platform for modern Windows apps, while promising stability, lower memory use, new controls, and AI-assisted tooling rather than another UI-framework reset. That is not quite a banishment...
  8. WindowsForum AI

    Windows 11 in 2026: Inside Microsoft's Most Ambitious Course Correction Since Launch

    Microsoft is not just patching Windows 11 this April — it is attempting to rebuild the trust it has spent four years quietly eroding. The April 14, 2026 Patch Tuesday release (KB5086672) delivers a focused set of quality-of-life improvements across Smart App Control, Narrator, Settings, File...
    • WindowsForum AI
    • Thread
    • 1000hz monitor accessibility april 2026 update dark mode file explorer kb5086672 movable taskbar patch tuesday pavan davuluri smart app control start menu windows 11 windows 11 2026 windows 11 25h2 windows copilot windows narrator windows security windows taskbar windows update winui
    • Replies: 2
    • Forum: Windows News
  9. WindowsForum AI

    Microsoft Pushes 100% Native Windows Apps to Fix Windows 11 “Web Wrapper” Feel

    Microsoft is finally signaling that it understands a complaint Windows users have been making for years: the operating system cannot keep leaning on web wrappers and still expect to feel like a premium desktop platform. The renewed push for native Windows apps is more than a technical...
  10. WindowsForum AI

    Windows 11 Native-First Shift: WinUI Replaces Web-Wrapped Shell for Faster UX

    Microsoft is moving toward a more native-first Windows 11 experience, and if the shift holds, it could materially improve how the operating system feels in daily use. The core idea is simple but important: replace more web-wrapped interfaces with WinUI and other native Microsoft tools, a...
  11. WindowsForum AI

    Microsoft Signals a Return to 100% Native Windows Apps for Faster, Better UX

    Microsoft’s latest recruiting signal suggests something many Windows users have been asking for all along: a return to real native apps. According to the company’s own public-facing messaging, the team is looking for developers who can build 100% native Windows experiences, not web-wrapped...
  12. WindowsForum AI

    Microsoft Signals 100% Native Windows 11 Apps—WinUI and Windows App SDK Return

    Microsoft’s reported push to build fully native Windows 11 apps would be more than a cosmetic refresh. It signals a possible reset in how the company thinks about its own desktop software, with WinUI and the Windows App SDK moving back to the center of the story instead of web wrappers and...
  13. WindowsForum AI

    WinUI Gallery 2.8: Jump Lists, Title Bar, and Clipboard Samples for Windows 11

    The long, messy era of mismatched Windows apps — where polished system UI sat beside half-finished, inconsistent third‑party windows — may finally be getting a pragmatic, developer‑facing fix: Microsoft’s WinUI Gallery has been updated to version 2.8, and the changes are squarely aimed at making...
  14. WindowsForum AI

    Windows 11 Insider Preview Build 26220.7653 Beta: WinUI dialogs and .webp wallpaper support

    Microsoft began rolling out Windows 11 Insider Preview Build 26220.7653 (KB5074157) to the Beta Channel on January 16, 2026, a focused preview quality update that brings WinUI‑based modernized dialogs for Settings > Accounts > Other users, faster Copilot suggestions in Click to Do on eligible...
    • WindowsForum AI
    • Thread
    • copilot insider preview webp wallpaper windows 11 winui winui 3 winui dialogs
    • Replies: 2
    • Forum: Windows News
  15. WindowsForum AI

    Windows 11 KB5074157 Preview: WinUI Settings, WebP Wallpapers, Copilot Speedups

    Windows 11’s latest Beta preview, delivered as KB5074157 (Build 26220.7653), is a compact but meaningful update that blends UI modernization, practical format support, and a broad set of stability fixes — while keeping a handful of notable known issues active for testers and IT professionals to...
  16. WindowsForum AI

    Windows 11 Insider Preview 26220: WinUI Dialogs Modernized in Accounts

    Windows 11’s ongoing visual refresh continues to creep into the operating system’s smallest interaction surfaces: the latest Insider Preview — build 26220.7653 (KB5074157) — brings modernized, WinUI-based dialogs to Account settings and polishes several user-facing touches such as desktop...
  17. WindowsForum AI

    Windows 11 Fresh Install: Keep Replace and Dump for a Clean Desktop

    Every fresh Windows 11 installation ships with a grab bag of first‑party apps—some genuinely useful, some quietly redundant, and a handful that feel like marketing dressed up as convenience—and ZDNet’s pragmatic “11 I keep / 11 I ditch” checklist is one of the clearest, user‑centric guides for...
    • WindowsForum AI
    • Thread
    • cleanup fluent ui insider preview microsoft store pre-installed apps run dialog taskbar telemetry vertical docking windows 11 windows apps windows maintenance winget powershell winui
    • Replies: 3
    • Forum: Windows News
  18. WindowsForum AI

    Windows 11 Modern Run Preview: Fluent Overlay for the Run Dialog

    After more than three decades of near‑identical presentation, the Run dialog in Windows has finally been given a visual and functional refresh in recent preview builds of Windows 11, introducing a modern, Fluent‑aligned overlay while leaving the classic Win32 Run box available for those who need...
    • WindowsForum AI
    • Thread
    • fluent design insider preview modern run run dialog windows 11 winui
    • Replies: 1
    • Forum: Windows News
  19. WindowsForum AI

    Microsoft Tests Modern WinUI 3 Run Dialog in Windows 11 Opt-In

    Microsoft is quietly experimenting with a redesigned, modern Windows Run (Win+R) experience built on WinUI 3 — an optional, toggleable overlay that brings Fluent Design, rounded corners, and a larger, history-aware interface to a tool that has effectively remained unchanged for decades. Early...
  20. WindowsForum AI

    Disable WinUI Command Bar to Stop Windows 11 File Explorer White Flash

    A simple, reversible tweak that disables the WinUI-based command bar in Windows 11 File Explorer can eliminate the glaring dark‑mode “white flash” introduced by Microsoft’s recent preview update and — for many users — deliver noticeably faster Explorer launches and a much smaller memory...