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WinUI 3 Wins on Windows 10

Cynthia Jul 13, 2026

Looking to elevate your Windows 10 app development experience? Welcome to WinUI 3, Microsoft's latest evolution of its Windows UI library. Launched in early 2021, WinUI 3 is designed to provide a modern, consistent user experience across devices and platforms, and it's BST optimized for Windows 10. Let's delve into the world of WinUI 3 and explore how it can accelerate your development journey.

GitHub - rayenghanmi/RyTuneX: RyTuneX is a cutting-edge optimizer built with the WinUI 3 framework, designed to amplify the performance of Windows devices. Crafted for both Windows 10 and 11.
GitHub - rayenghanmi/RyTuneX: RyTuneX is a cutting-edge optimizer built with the WinUI 3 framework, designed to amplify the performance of Windows devices. Crafted for both Windows 10 and 11.

But before we dive in, what exactly is WinUI 3, and why should you care? In essence, WinUI 3 is a collection of reusable controls, styles, and templates that streamline the process of creating high-quality, feature-rich apps. It replaces the aging UWP (Universal Windows Platform) XAML controls, offering a raft of improvements that range from enhanced performance to a more intuitive programming model. Committed to staying ahead of the curve, Microsoft has also ensured that WinUI 3 is future-proof, aligning with the Fluent Design System's latest design language.

Microsoft reveals roadmap for WinUI 3.0 which will transform the look of Windows 10 apps
Microsoft reveals roadmap for WinUI 3.0 which will transform the look of Windows 10 apps

Why Upgrade to WinUI 3?

WinUI 3 isn't just a facelift; it's a comprehensive overhaul designed to address the pain points of UWP. Here's why you might want to consider making the switch.

Microsoft launches new WinUI website, listing the advantages of the platform
Microsoft launches new WinUI website, listing the advantages of the platform

Firstly, WinUI 3 introduces a new, more efficient control model. This reduces app complexity and makes your code more maintainable, leading to increased reliability and a better user experience. Moreover, it's designed to work seamlessly with the familiar XAML and C++/WinRT, making the transition process smooth and painless.

Improved Performance

Windows 10 version 20H2 promises performance, quality improvements
Windows 10 version 20H2 promises performance, quality improvements

WinUI 3 boasts significant performance improvements, with a focus on faster app startup times, smoother animations, and reduced memory usage. More efficient controls lead to less navigation overhead, translating into snappier responses and improved app flow.

For instance, the new ItemsWrapGrid panel in WinUI 3 allows for efficient virtualization of large item collections, regardless of the complexity of your layouts. This can result in noticeable performance gains, especially in grid-based apps like photo albums or game libraries.

Better Developer Experience

Quick start: Create your first WinUI 3 app - Windows apps
Quick start: Create your first WinUI 3 app - Windows apps

WinUI 3 is built with developers in mind. It offers a more intuitive programming model, with easier-to-use controls and a more consistent API surface. Additionally, it sports robust design guidelines and templates, enabling you to create stunning, cohesive apps with minimal effort.

Plus, it's fully integrated with Visual Studio, allowing you to use the powerful tools and features you're already familiar with. The new XAML Islands framework also enables you to gradually migrate to WinUI 3, giving you the flexibility to dip your toes in before diving in headfirst.

What's New in WinUI 3?

WINUI 3 AND WINDOWS APP SDK: MODERN DESKTOP APP DEVELOPMENT: Build Fluent Design Applications with XAML, C#, and Native Windows Performance for
WINUI 3 AND WINDOWS APP SDK: MODERN DESKTOP APP DEVELOPMENT: Build Fluent Design Applications with XAML, C#, and Native Windows Performance for

Beyond its core improvements, WinUI 3 also brings a raft of new features to the table. Let's take a look at a few standouts.

First up, there's the new DataGrid control. This powerful tool allows you to display and manage large datasets in an efficient, user-friendly format. It's perfect for creating complex, data-driven apps like spreadsheets or analytics dashboards.

Learn WinUI 3.0: Leverage the power of WinUI, the future of native Windows application development
Learn WinUI 3.0: Leverage the power of WinUI, the future of native Windows application development
the windows 10 start screen is shown in this screenshot from an actual operating window
the windows 10 start screen is shown in this screenshot from an actual operating window
Win11 icon theme
Win11 icon theme
the windows 10 start screen is shown in this image
the windows 10 start screen is shown in this image
Edycja Tapety: System, Windows 10, Tapety, Tapeta, Zdjęcia, Tapety na pulpit
Edycja Tapety: System, Windows 10, Tapety, Tapeta, Zdjęcia, Tapety na pulpit
the logo for an appliance that is designed to look like a blue square
the logo for an appliance that is designed to look like a blue square
Windows 10 21H1 64 Bits - 32 Bits
Windows 10 21H1 64 Bits - 32 Bits
the windows logo is shown in front of a blue sky with white clouds and green hills
the windows logo is shown in front of a blue sky with white clouds and green hills
Microsoft Windows Desktop Theme for Windows 10 / 11
Microsoft Windows Desktop Theme for Windows 10 / 11

New Dialogs and Windows

WinUI 3 introduces a range of new, customizable dialogs and windows, giving you greater control over your app's flow and appearance. From confirmation dialogs to custom content dialogs, these tools enable you to create immersive, user-centric experiences.

Meanwhile, the new ImamDialogItem class allows you to add custom layout items to dialogs, providing even more customization options. Plus, the new AppWindow class enables you to create resizable, Schnatch control app windows with ease.

Sci-Fi Themed Controls

Perhaps the most striking addition in WinUI 3 is its set of sleek, sci-fi-themed controls. These controls offer a fresh, modern take on the Windows 10 aesthetic, ideal for futuristic games or edgy productivity apps. With customizable colors, animations, and styles, they're as functional as they are eye-catching.

From the holographic-looking RollerBrush to the bold, dynamic StylusIamControl, these controls embody the spirit of Fluent Design, blending form and function in a way that's sure to captivate users.

At the end of the day, WinUI 3 is about empowering developers to create more, better apps. With its improved performance, better developer experience, and raft of new features, it's a compelling update that's well worth exploring. So why wait? Start your WinUI 3 journey today and watch your apps soar to new heights.