Uno Platform 6.3: .NET 10 Preview & VS 2026 Support
- the team behind Uno Platform has released version 6.3 of the cross-platform .NET UI framework.
- * .NET 10 (RC1) Support: Early support added for.NET 10 (Release Candidate 1).
- Uno Platform is a UI platform for building multi-device applications using C# and XAML.
Uno Platform 6.3 Release – Summary
Table of Contents
the team behind Uno Platform has released version 6.3 of the cross-platform .NET UI framework. This update focuses on forward compatibility, performance improvements, and enhanced UI controls.
Key Highlights:
* .NET 10 (RC1) Support: Early support added for.NET 10 (Release Candidate 1). However, .NET 9 remains the recommended stable target for production deployments.
* .slnx Solution Format: Compatibility with Visual Studio 2026‘s new .slnx solution format is included, alongside continued support for Visual Studio 2022. The Uno Platform Visual Studio extension has been updated to support both IDEs.
* WebAssembly Performance: Image decoding is now offloaded to WebWorkers in WebAssembly targets, improving responsiveness when handling large or numerous images.
* TabView Control Enhancements: New sizing modes (equal-sizing, compact, size-to-content) and features (non-closable tabs, runtime tab reordering) have been added to the TabView control.
* Hot design Visual Editor: Refinements have been made to the Hot design visual editor.
Uno Platform Overview
Uno Platform is a UI platform for building multi-device applications using C# and XAML.
| Feature | Details |
|---|---|
| Launch Year | 2018 |
| Developed By | nventive (initially internal use) |
| License | Apache 2.0 |
| GitHub Repository | https://github.com/unoplatform/uno |
| Target Platforms | Windows, iOS, Android, WebAssembly, macOS, Linux |
.NET Version Support
| .NET Version | Status |
|---|---|
| .NET 9 | Stable, recommended for production |
| .NET 10 (RC1) | Early Support (Testing) |
Resources:
* Uno Platform website: https://platform.uno/
* Uno Platform Blog (6.3 release): http://platform.uno/blog/uno-platform-6-3
* .NET 10 Migration Guide: https://aka.platform.uno/migrate-from-net9-to-net10
* Experimental Android CoreCLR: https://learn.microsoft.com/en-us/dotnet/maui/whats-new/dotnet-10?view=net-maui-9.0&utm_source=chatgpt.com#experimental-coreclr
* Visual Studio New Solution Format: https://devblogs.microsoft.com/visualstudio/new-simpler-solution-file-format/
* Uno Platform Visual Studio Extension: https://marketplace.visualstudio.com/items?itemName=unoplatform.uno-platform-addin-2022
* TabView Control Documentation: https://platform.uno/docs/articles/implemented/microsoft-ui-xaml-controls-tabview.html#breadcrumb
* Hot Design: http://platform.uno/hot-design