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2026 Q1 (20.0.26.304) Changes and Dependencies

This article explains the manual changes required when upgrading to Telerik Reporting 2026 Q1 (20.0.26.304).

The viewer is built with Telerik UI Controls for WPF 2026.01.211.462. If you are using a newer version, consider adding binding redirects. For more information, see: How to Add report viewer to a WPF .NET Framework project.

WPF Report Viewer for .NET 8

The viewer is built with Telerik UI Controls for WPF 2026.01.211.80 and targets .NET 8.

WinUI Report Viewer

The viewer is built with Telerik UI for WinUI 4.2.0.0. WinUI Report Viewer targets .NET 8.

Standalone Report Designer targeting .NET Framework 4.6.2

TRDX, TRDP, and TRBP report definitions created by the Standalone Report Designer now use schema version http://schemas.telerik.com/reporting/2026/1.0.

Standalone Report Designer for .NET targeting .NET 10

TRDX, TRDP, and TRBP report definitions created by the Standalone Report Designer for .NET now use schema version http://schemas.telerik.com/reporting/2026/1.0.

Web Report Designer Dependencies

The Web Report Designer depends on the following libraries:

Telerik Kendo UI (2025.4.1111)
Telerik Kendo Themes (12.3.0)
jQuery (3.7.1 or later)
jQuery UI (1.14.1 or later)
Browser's native support for Promise objects. When the browser does not support Promise, the viewer will not try to automatically load it. It's the responsibility of the developer to load Promise functionality from a trusted source in the application.

HTML5 Report Viewer Dependencies

The HTML5 Report Viewer depends on the following libraries:

Telerik Kendo UI (2025.4.1111)
jQuery (3.7.1 or later)
Browser's native support for Promise objects. When the browser does not support Promise, the viewer will not try to automatically load it. It's the responsibility of the developer to load Promise functionality from a trusted source in the application.

Angular Report Viewer Dependencies

The Angular Report Viewer depends on the following:

NodeJS (Active LTS or Maintenance LTS versions)
Angular (19.0.0 to 21.0.0)
jQuery (^1.10.0 || ^2.2.0 || ^3.7.1)

Native Angular Report Viewer

NodeJS (Active LTS or Maintenance LTS versions)
Angular (19.0.0 to 21.0.0)
Kendo UI for Angular (21.1.*)

React Report Viewer Dependencies

The React Report Viewer depends on the following:

React (16.8.6 or later)
React-DOM (16.8.6 or later)
jQuery (3.7.0 or later)

Native Blazor Report Viewer

The viewer is built with Telerik UI for Blazor 9.1.0.

HttpClient Dependencies

Connecting a desktop report viewer (WinForms or WPF) to a REST service or Report Server instance requires the following NuGet packages:

Newtonsoft.Json (13.0.1 or later for .NET Framework projects)
Microsoft.AspNet.WebApi.Client (6.0.0 or later for .NET Framework projects, 5.2.7 or later for .NET 8+ projects)

WebServiceDataSource Component Dependencies

The WebServiceDataSource requires the following NuGet packages:

Microsoft.Net.Http (2.2.29 or later) - only for .NET Framework projects
Newtonsoft.Json (13.0.1.0 or later) - only for .NET Framework projects

ASP.NET WebAPI REST Report Service Dependencies

The ASP.NET WebAPI REST Report Service requires the following NuGet packages:

Microsoft ASP.NET Web API (5.3.0 or later)
Newtonsoft.Json (13.0.1.0 or later)

CubeDataSource Dependencies

If you are using CubeDataSource, the version of your Microsoft.AnalysisServices.AdomdClient should be 10.0.0.0 or later.

Database Cache Provider Dependencies

If you are using Database Cache Provider, the version of your Telerik Data Access ORM should be 2015.1.225.1 or later.

Internal Cache

The internal cache uses SQLite version 3.50.4 for .NET Framework projects and 3.50.4 for .NET 8+ projects.

REST Service Redis Storage Dependencies

The REST Service with Redis Storage implementation depends on one of the following:

StackExchange.Redis version 2.8.16 or greater.

REST Service MSSQL Storage Dependencies

The REST Service with MSSQL Storage implementation depends on:

System.Data.SqlClient version 4.0 (depending on the installed .NET Framework runtime) for .NET Framework projects and Microsoft.Data.SqlClient v6.1.4 or greater for .NET 8+ projects.