Released: May 20, 2026

Updates in 2026 Q2 (2026.2.520)

Features

• What's New:
  • Telerik.WinForms.MCP is updated with project conversion tools.
  • Speech-to-Text integration and multiple other enhancements in RadChat.
• Common:
  • The speech-to-text feature inside RadChat requires the WebView2. Ensure that your application includes the Microsoft.Web.WebView2 NuGet package as a dependency in order to use this functionality.
  • The target framework-specific NuGet packages (UI.for.WinForms.AllControls.Net462/Net48/Net80/Net90) will be discontinued starting in Q3 2026. To reference a package containing all controls, use the multi-target Telerik.UI.for.WinForms.AllControls NuGet package instead.
  • Updated Telerik Document Processing Library (DPL) version to 2026.2.519.
  • Updated minimum required Telerik Licensing version to 1.8.2.
• AI:
  • Telerik UI for WinForms Converter (Preview) - new Roslyn-based conversion tools that transform standard Microsoft WinForms code (C# and VB.NET) to Telerik UI for WinForms equivalents. Integrated inside the Telerik.WinForms.MCP that exposes the tools as a guided, AI-driven migration workflow.
• RadChat:
  • Improved input area with multiline text support.
  • Introduced reply functionality for responding to existing messages.
  • Integrated RadSpeechToTextButton for voice-to-text input.
  • Added support for file attachments.
• RadRichTextEditor:
  • Introduced support for the HyperlinkClicked event to be raised when clicking on a hyperlink that points to a bookmark in the document.

Fixes

• Infrastructure:
  • Removed the DPL AITools dlls from the AllControls NuGet package.
• RadDropDownList:
  • Fixed issue where the AccessibleName property is not respected by the Windows Narrator.