Microsoft has updated one of its key Windows app development tools to give developers earlier access to experimental UI controls. The change could help shape future Windows 11 apps.

Reliable testing of UWP and WinUI 3 apps needs the app’s real UI dispatcher, not just a single-threaded apartment (STA) thread, so that test setup, async test code, and cleanup all run with UI-thread ...

Hey WinUI developers! If you’re new around here, WinUI Gallery is the go-to app for exploring WinUI 3 controls, samples, design guidance, and handy tools, all in one place. Today, we’re excited to ...

The new Windows Search experience is rolling out to Windows 11 Insiders with a WinUI 3 redesign, inline actions, better typo handling, and faster performance. Microsoft introduced the changes in ...

Download and open a vsix file from Visual Studio Marketplace. WinUI 3 designer will be automatically available for WinUI 3 projects. A Visual Studio shared source project. It contains the common ...

Microsoft has rolled out WinUI Gallery 3.0, offering developers a new way to explore upcoming Windows app controls before they reach stable releases. The update introduces experimental charts, ...

Microsoft has announced the initial release of its new faster and streamlined search box for Windows 11 to Windows Insiders for testing. VIEW GALLERY - 4 The compact Windows 11 search panel shows ...

Microsoft’s new Photos app combines your PC, OneDrive, and iCloud galleries. The Photos app has been rebuilt from the ground up with WinUI 3, making it faster to edit photos ...

On October 7, 2026 (US time), Microsoft began rolling out a test version of a rebuilt Windows 11 search built with WinUI 3. It lets users change settings, arrange windows, and perform other tasks ...

This guide shows how to use winapp CLI across the full inner loop of a WinUI 3 app: create a project from an official template, build and launch it with package identity, debug crashes, find controls ...