Release History

Telerik UI for WinForms 2026.2.702

July 2, 2026

Common

CHANGED

• 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.

Dependencies

• Telerik Document Processing Library (DPL) version updated to 2026.2.624.

RadNavigationView

FIXED

• Design time error message when using Property Builder in .NET Framework project.

RadPdfViewer

FIXED

• Exception: Could not load Microsoft.Web.WebView2.WinForms.

RadPropertyGrid

FIXED

• ReadOnlyAttribute is not respected when added to Attributes collection

RadScheduler

FIXED

• Appointments with a duration of less than 1 minute are not visible in RadPrintPreviewDialog.

RadSpreadsheet

FIXED

• Incompatibility with Microsoft Excel of in-document Hyperlinks referencing worksheets with name containing spaces.
• Worksheet name is editable when the workbook is protected.

RichTextEditor

FIXED

• Underline color reset to black after export using RtfFormatProvider.

Visual Studio Extension

FIXED

• WinForms Extension causes Visual Studio to crash.
• Visual Studio 2026 becomes unresponsive when many files are saved.