Release History

Progress® Telerik® Reporting 2026 Q2 (20.1.26.520)

May 20, 2026

Entity Framework Core Data Source component

NEW

• Developers can now bind reports directly to Entity Framework Core DbContext models using a dedicated data source component. The new EF Core Data Source is available in the Standalone Report Designer for .NET and the Web Report Designer, with support for design-time data preview, Shared Data Sources, and parameterized queries

Telerik Reporting and Standalone Report Designer for .NET are compatible with .NET 11 Preview 4

NEW

• The Reporting REST Service, Standalone Report Designer for .NET, WinForms and WPF report viewers can be used in projects that target Preview 4 of .NET 11 framework

What's Improved

NEW

• The Native Blazor Report Viewer example projects now include code samples for the new viewer events.
• The Reporting engine now loads available rendering extensions on demand for faster application startup.
• The Reporting engine now supports Firebird .NET Client Data Provider out-of-the-box without manual configuration.
• The licensing banners in the Native Blazor and Angular Report Viewers no longer display the call-to-action text.
• The HTML5 Report Viewer now uses CSP-compliant templates instead of inline templates.

What's Changed

CHANGED

• Native Blazor Report Viewer now provides an extended set of viewer events. The export-related event names are changed for consistency.

Web Designer

FIXED

• An HtmlTextBox containing two paragraph (P) elements is not rendered correctly.

Processing

FIXED

• Incorrect headers are applied when encoding a UPS MaxiCode barcode.
• The RAG optimization of AI-Powered Insights is not applied when the AI model returns a formatted boolean response.
• A race condition in the cache locking mechanism may break the exclusive locking on Linux/macOS.
• NavigateToReport actions do not work in some report directory configurations.

HTML Rendering

FIXED

• Font substitution does not take effect and the original font is used instead.

WPF Report Viewer

FIXED

• The viewer crashes on second launch when using a trial license.

Visual Studio Item Templates

FIXED

• The SampleReport added with the item template contains outdated links.

Product Dependencies