Telerik Reporting

Release History

Progress® Telerik® Reporting R2 2020 SP1 (

June 18, 2020

Standalone Report Designer

  • Report Parameter dropdown tick is hidden if the value is too long
  • Search dialog hides when navigating between pages of the previewed document
  • The report designer localization is not applied when a .trdp or .trdx file is opened from Windows shell

Web Designer

  • Expression Editor does not list the data fields when the data source is set through a binding to ReportItem.DataObject
  • Еxception is thrown when the service is hosted in .NET Core 3+ application


  • DataMatrix barcode encoder throws an exception when its value is null or an empty string
  • Graph Axes preserve space for labels even though LabelPlacement is set to None

Excel Rendering

  • Column widths are not calculated properly on machines with DPI settings higher than 100%

PDF Rendering

  • PDF/A conformity fails when validated by veraPDF
  • Tooltips are rendered only when the report contains actions

PowerPoint Rendering

  • The document is corrupted when contains an empty HtmlTextBox

HTML5 Report Viewer

  • Print is not available in Firefox
  • Printing throws an error: "Cannot read property 'execCommand' of null"
  • Single- and multi-select combo parameter editors miss accessibility attributes
  • Splitter controls do not have accessibility attributes set
  • The report parameter's drop-down editor is mispositioned when its text does not fit
  • Zooming-in makes the report content smaller when PageMode is set to SinglePage

WPF Report Viewer

  • Hosting the viewer in a TabControl may result in a memory leak

Product Dependencies

Telerik Reporting
- Microsoft .NET Framework 4
- .NET Standard 2.0
- .NET Core 3.0

- Microsoft.AnalysisServices.AdomdClient ( or later)

HTML5 Report Viewer
- Telerik Kendo UI (2015.3.1111 or later)
- jQuery (1.9.1 or higher if required by Kendo)

ASP.NET WebAPI REST Report Service
- Microsoft ASP.NET Web API (4.0.20710.0 or later) - Newtonsoft.Json (9.0.1 or later)

ServiceStack REST Report Service
- ServiceStack (

ASP.NET MVC Extension of the HTML5 Report Viewer
- Microsoft ASP.NET MVC Framework (4.0.20710.0 or later)

WPF Report Viewer for .NET Core
- Telerik UI Controls for WPF (2020.2.617.310) targeting .NET Core 3.1

WPF Report Viewer
- Telerik UI Controls for WPF (2020.2.617.40)

Silverlight Report Viewer
- Telerik UI Controls for Silverlight (2020.2.617.1050)

Database cache ICache implementation
- Telerik Data Access ORM (2015.1.220.1)

.NET Core Reporting Engine
- SQLitePCLRaw.bundle_green (2.0.1 or later)

Telerik Reporting

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