What's New and Roadmap

Official Announcements

OpenSilver 1.0 has just been released ! Read the Official Announcement - Press Release (PDF) - Press Room

Success stories - see some applications that have been migrated from Silverlight to OpenSilver

To see the latest commits, please visit the History of the 'develop' branch on GitHub:

Please visit the OpenSilver NuGet package history at:

OpenSilver on Twitter
CSHTML5 UserVoice (note: CSHTML5 is a sister product that shares some of the same code - many features are already in OpenSilver)
CSHTML5 Forums (note: CSHTML5 is a sister product that shares some of the same code)
Issues on GitHub

October 2021:

- v1.0 release

H1 2022:

- New layout system with full support for Measure and Arrange
- New DataGrid based on the original source code from Microsoft
- .NET CLI support

H2 2022:

- VB.NET support (currently only C# is supported)

2022:

- Improved support for migrating WPF applications

2022 - 2023:

- Hundreds of popular JS-based libraries will be made compatible with OpenSilver and distributed as ready-to-use .NET NuGet packages

- Support for Microsoft LightSwitch

You can accelerate the delivery of any of the features above via our professional services.

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Introducing the OpenSilver Beta : Read the Official Announcement - Press Release (PDF) - Press Room

The first version of the OpenSilver documentation is now online. You can read the "internals" page to learn about the inner workings, or search the full API reference. When viewing the reference of a class, you can click "View Source" in the top-right corner to jump to the class C# implementation on GitHub.