Note: For the latest updates, please check our X/Twitter account and the commit history on the GitHub develop branch.
Introducing XAML.io v0.6 — Share Running .NET Code with a Link
Browser-based .NET IDE adds NuGet package support and code sharing via URL. Share a link to a running C# project and anyone can view, run, edit, and fork it instantly.
Introducing OpenSilver 3.3 — Blazor Components Now Run Directly Inside XAML Applications
Introducing XAML.io Preview v0.5 — Visual .NET Development, Instantly in Your Browser
Online XAML designer gets C# code-behind support. Discover the Preview version 0.5 of XAML.io, which brings us one step closer to frictionless visual .NET development. Build UI, write C#, and run apps instantly with no installs.
Revamped OpenSilverShowcase.com app!
Explore 200+ interactive samples to learn XAML, .NET and OpenSilver—no setup required.
View, run, and copy source code instantly in C#, VB.NET, or F# across web and mobile.
Our First Webinar Recording is Live!
It includes demos, a rare look at how OpenSilver works internally (like how XAML is rendered in HTML), how to build WPF-style apps for Android, iOS, and more.
OpenSilver 3.2 Brings WPF Apps to iOS, Android, and Beyond via MAUI Hybrid!
OpenSilver 3.1: First XAML Designer for VS Code, Modern UI Theme, WPF Everywhere, and More!
XAML Designer v0.3 Released with Mobile Preview, Multi-Select and Quick Size
Now included in the OpenSilver VSIX v3.0.0.10 and online at XAML.io v0.3
XAML Designer v0.2 Released with VB6-like "Alignment Dots" and Smart Anchoring
OpenSilver 3.0 Launches with AI-Powered UI Designer, VS Code Support, and XAML.io!
OpenSilver 2.2 Launches with the LightSwitch Compatibility Pack!
OpenSilver 2.1 Launches with F# Support!
Plus, check out the newly migrated Silverlight Toolkit Samples app.
OpenSilver 2.0 Launches with VB.NET Support, Live XAML Preview, and Over 100 New Features!
Recent Developments, Changelog, and Nightly builds:
The OpenSilver team is very active, pushing dozens of commits every month.
- Latest VSIX: Version 3.2.0 released on March 18, 2024. Download it here.
- Changelog: To see the latest commits, please visit the History of the ‘develop’ branch on GitHub
- Latest NuGet packages: Nightly builds of the OpenSilver NuGet package can be found on MyGet here. To easily use the latest nightly builds in your project, please refer to “How to get the latest preview version of OpenSilver“.
- Stable release builds of the OpenSilver NuGet package are available on NuGet here.
Community:
- OpenSilver on Twitter
- Issues on GitHub
- Podcasts: DotNetRocks Interview of Giovanni Albani, CEO of Userware:
- Episode 1769 | Dec 9, 2021 | OpenSilver Ships with Giovanni Albani (podcast)
- Episode 1698 | July 30, 2020 | OpenSilver with Giovanni Albani (podcast)
- [Legacy] CSHTML5 Forums (note: CSHTML5 is the ancestor of OpenSilver):
Roadmap:
- 2026-2027:
- Further improvements to XAML.io and the XAML Designer
- New Documentation
- Rider support
- Further support for WPF features (note: Silverlight is already almost entirely supported)
- The awesome PivotViewer control by Microsoft Labs will make a comeback 🙂
- New releases of XR#, the 3D and AR/VR toolkit built atop OpenSilver
- More extensive examples, case studies, and cool demos
- And lots of other great new features…
Excited about our upcoming features? Accelerate their delivery by partnering with us through co-funding options. As an open-source project, OpenSilver offers the opportunity to share the costs of development. For an estimate and to begin collaboration, please get in touch with us.
Older Announcements:
- Check out our All-Inclusive Migration Service FAQ
- Introducing OpenSilver 3.2 Brings WPF Apps to iOS, Android, and Beyond via MAUI Hybrid! (March 18, 2025)
- Introducing OpenSilver 3.1 with the First XAML Designer for VS Code, Modern UI Theme, and WPF Everywhere (December 10, 2024)
- Introducing OpenSilver 3.0 with the First AI-Powered UI Designer for .NET! (July 9, 2024)
- Introducing OpenSilver 2.2 and the LightSwitch Compatibility Pack (April 30, 2024)
- Introducing OpenSilver 2.1: F# Meets XAML for Advanced Web App Development (February 6, 2024)
- OpenSilver 2.0 Launches with VB.NET Support and Over 100 New Features (read what’s new here) (October 16, 2023)
- OpenSilver 1.1 is out! (read what’s new here) (October 4, 2022)
- OpenSilver 1.0 has been released! (October 2021) Read the Official Announcement – Press Release (PDF) – Press Room
- Introducing the Silverlight Migration Support Plan
- Success stories – see some applications that have been migrated from Silverlight to OpenSilver
- Introducing OpenSilver Beta (September 2021): Read the Official Announcement – Press Release (PDF) – Press Room