What's New and Roadmap

Recent Developments and Changelog

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


Latest NuGet Packages

Please visit the OpenSilver NuGet package history at:



Press and Podcasts

Official Announcements


Q4 2020:

  • Improved runtime performance
    status: coming soon - we noticed a 50% runtime performance improvement when updating to Blazor 3.2, we are working to package this, some breaking changes are expected in the ".Browser" project
  • Support for Telerik UI for Silverlight (note: a license from Telerik is required)
    status: simple controls are working, more complex ones are in progress, a demo app will be published soon
  • Support for many JS-based libraries (Kendo UI, Syncfusion Essential JS, DevExtreme...)
    status: now supported: Kendo UI Grid and Editor, Syncfusion Spreadsheet and RichTextEditor, DevExtreme DataGrid, SelectBox, Switch, and TextBox - we are working to package these controls
    (note: a license from the component vendor will be required)
  • Support for Open RIA Services
    status: we got it working locally, we are now packaging it
  • Support for MEF
    status: now supported in the latest OpenSilver - just add a reference to the .NET Standard version of the "System.ComponentModel.Composition" NuGet package
  • Support for MVVMLight
    status: now supported with the fork available here - we are going to publish it as a NuGet package
  • Improved documentation
    status: the work-in-progress documentation is now available here
  • More case studies and success stories

Q1 2021:

  • AOT compilation for massively improved performance
    status: expected to be available in .NET 6 Preview in Q1 2021, which OpenSilver will be based on

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