Unplanned
Last Updated: 02 Oct 2024 15:01 by ADMIN
Scheduled for 2024 Q4

When the Blazor Web Report Designer is closed and then reopened, some of its resources are not loaded the second time around, causing the resize handles to break.

Making sure the following resources are always loaded on the web designer page, resolves the issue.

  • <script src="/api/reportdesigner/designerresources/ext_js/jquery.ui-1.12.1.min.js/"></script>
  • <link type="text/css" rel="stylesheet" href="/api/reportdesigner/designerresources/ext_styles/jquery.ui-1.12.1.min.css/">
Unplanned
Last Updated: 16 Oct 2025 13:20 by ADMIN
Scheduled for 2026 Q1

In the latest Reporting version, the interface of the report viewer allows users to set the value of a multiselect report parameter to an empty collection but not make it null.

In some scenarios, reports rely on parameters being null to filter their data and this makes them unusable in the latest version.

Completed
Last Updated: 14 Nov 2024 11:02 by ADMIN
Release 2024 Q4

According to the HTML5 Report Viewer documentation, the persistSession property of the viewer should be set to false by default.

This is not the case for the HTML5 WebForms Report Viewer, the value of its PersistSession property is true by default.

Since the HTML5 WebForms Report Viewer is a wrapper of the HTML5 Report Viewer, it should have the same default values.

Unplanned
Last Updated: 24 Mar 2025 12:19 by ADMIN
Rendering ReportBook item may result in incorrect page number, the total page count being less than the actual pages.
Completed
Last Updated: 02 Oct 2024 14:25 by ADMIN
Release 2024 Q4
The path attribute of the appData configuration element does not allow the forward slash (/) symbol to be used which breaks paths in non-Windows environments.
Completed
Last Updated: 25 Sep 2024 08:16 by ADMIN
Release 2024 Q4

When I enable accessibility in the Angular Report Viewer, based on the HTML5 Report Viewer, I get the following console error:

Uncaught TypeError: Cannot read properties of undefined (reading '_controller')
at telerikReportViewer:1:15863
at Ce. (telerikReportViewer:1:16167)
at Ce.n (telerikReportViewer:1:26372)
at Ce.trigger (telerikReportViewer:1:26686)
at ce (telerikReportViewer:1:32782)
at Object.updateUI (telerikReportViewer:1:43789)
at telerikReportViewer:1:93236

The report viewer continues being functional despite the error but accessibility text is missing for page number, export, and buttons(incl. parameters area).

 
In Development
Last Updated: 12 Aug 2024 07:27 by ADMIN
Scheduled for 2024 Q4

Telerik.Reporting.nupkg has a dependency on ResXResourceReader.NetStandard.

Our 3rd party security audit has found the missing Digital Signature of this DLL. A digital signature would aid in verifying its authenticity and integrity.

 

Unplanned
Last Updated: 09 Aug 2024 07:03 by Anshul

The labels of the Send Mail form in the HTML5 Report Viewer and its wrappers do not conform to accessibility standards. They refer to form fields using the field's name attribute instead of the id attribute.

Unplanned
Last Updated: 14 Aug 2024 09:57 by ADMIN
Created by: Shawn
Comments: 1
Category: Reporting
Type: Feature Request
2

Telerik,

This is a feature request to add the ability to override a connection itself and not just the connection string.

The motivation behind this is for IAM based authentication, where usernames and passwords are no longer used but usernames and short lived tokens are.

Many database providers provide a Factory or Builder to allow a Connect to be built that allows the password to be requested when needed. In the case of Postgres, this is the NpgsqlDataSourceBuilder class.

I'm not sure what the contract would look like to achieve this, but setting the connection itself, one way, shape, or form, is greatly needed.

Thanks,

Shawn

Completed
Last Updated: 19 Dec 2024 16:04 by ADMIN
Release 2025 Q1

When rendering a report that displays an image through the PictureBox item with binary data in multiple threads within a Docker container, the following error is thrown:

Message=Concurrent operations from multiple threads on this type are not supported.
  Source=DockerBlazorApp
  StackTrace:
   at Test.Reporting.Services.ReportService.<>c.<RenderReport>b__4_0(Object innerSender, ErrorEventArgs eventArgs) in C:\Users\dnikolov\Downloads\dockerblazortestappfortelerik\DockerBlazorTestAppForTelerik\DockerBlazorApp\Services\ReportService.cs:line 49
   at Telerik.Reporting.Report.OnError(Object sender, ErrorEventArgs e)
   at Telerik.Reporting.Report.RaiseError(Object sender, ErrorEventArgs e)
   at Telerik.Reporting.Processing.Report.RaiseReportError(ProcessingElement sender, ErrorEventArgs args)
   at Telerik.Reporting.Processing.Report.RaiseError(ProcessingElement sender, Exception exception)
   at Telerik.Reporting.Processing.ProcessingElement.Process(IDataMember dataContext)
   at Telerik.Reporting.Processing.ReportSectionBase.ProcessItem()
   at Telerik.Reporting.Processing.DetailSection.ProcessItem()
   at Telerik.Reporting.Processing.ReportItemBase.ProcessElement()
   at Telerik.Reporting.Processing.ProcessingElement.Process(IDataMember dataContext)

Completed
Last Updated: 25 Sep 2024 08:16 by ADMIN
Release 2024 Q4

When the latest Kendo UI version is used, the ellipsis in the Web Report Designer's Report Explorer tree are invisible, and the context menus of some report items cannot be opened.

For example, adding shared data sources to a report is not possible because this functionality is accessible through the context menu of the [Shared Data Sources] collection in the explorer tree.

Expected behavior:

Actual behavior:

To work around the issue, use the 2022.3.913 Kendo UI version on the Web Report Designer page.

Unplanned
Last Updated: 04 Apr 2025 10:45 by ADMIN
Scheduled for 2025 Q3

In Telerik Reporting versions before 18.1.24.514, I could change the order of items in a section by dragging an item up or down in the Report Explorer list.

If I try that now, nothing seems to happen on the screen. Dragging does not appear to change the position of an item in Report Explorer; the item appears to be fixed in place.  However, if I close the report and reopen it, the position of the item may have changed.

The same happens if I use Send To Back/Brink to Front on an item.  The new item position is not updated in the Report Explorer. 

Unplanned
Last Updated: 23 Jul 2024 11:09 by Jason

I use cascading parameters and need to specify their Text property with an Expression, as the label should be translated through a User Function. My parameters shouldn't have values initially.

The problem is that the dependent parameter's Text Expression is not evaluated when the report is first displayed by the designer or viewer. The label shows the Expression instead.

If I make the independent parameter Nullable, the issue doesn't occur, but I prefer not to allow Null values.

The problem is shown in the linked muted video.

Under Review
Last Updated: 29 Jul 2024 07:49 by ADMIN
Created by: shyam
Comments: 1
Category: Reporting
Type: Bug Report
0
I am currently using Telerik Server within a Kubernetes environment and have encountered some challenges regarding data persistence and deployment management. I would appreciate your guidance on the following points:

When our Kubernetes pod restarts, all existing data is erased. Could you please advise on best practices or recommended approaches to ensure persistent data storage for Telerik Server? Specifically, how can we configure Telerik Server to retain data across pod restarts?
 

We are exploring using Helm or Terraform to manage our Telerik Server deployments on Kubernetes. Could you provide insights or best practices on integrating Telerik Server deployments with Helm charts or Terraform modules? What considerations should we keep in mind for configuring Persistent Volumes and Persistent Volume Claims (PVCs) to ensure data persistence?
Your expertise and guidance on these matters would be highly valuable to us as we aim to optimize our deployment strategy for Telerik Server in Kubernetes.

Thank you for your attention to this request. I look forward to your response.

Thanks,

Shyam M
Completed
Last Updated: 12 Nov 2025 14:33 by ADMIN
Release 2025 Q4

When the parametersAreaVisible property of the report viewer is set to true, the parameters area of the viewer should be open by default if a report that has visible parameters is being previewed.

However, when a mobile device is used, the parameters area is closed by default.

Additionally, the arrow used to open the parameters area is hidden by default. The device orientation needs to be toggled to horizontal and back for the arrow to appear.

Unplanned
Last Updated: 18 Jul 2024 07:25 by ADMIN
Created by: Clinton
Comments: 2
Category: Reporting
Type: Bug Report
5
SVG images with viewbox constraints may shrink vertically when there are no desired height/width settings even if the viewbox settings allow full rendering.
Under Review
Last Updated: 16 Jul 2024 11:04 by ADMIN
Created by: Daniel
Comments: 1
Category: Reporting
Type: Feature Request
1

Hello

I see a design issue using JsonDataSource and possible nested objects/arrays and providing data in runtime.

 

Setting up a "root" JsonDataSource is no problem. Also the way setting the json trough parameters.

 

The issue begins when I want to use a nested array AND the root object. 

Example Json
{
"InvoiceDate" :  "2024-01-01",
"InvoiceNo":"IN2024-001",
"Positions" : [
{
"Product":"Product 1",
"Price" : 5.25
},
{
"Product":"Product 2",
"Price" : 10.5
}
]
}

The approach using JsonPath for accessing the "Positions" is ok but I have to set up another JsonDataSource with the same json and so that I can access the nested array. 

And now I don't now how to set the Source of the second JsonDataSource in runtime. Setting it using parameters is only possible with one DataSource.

A nice approach would be binding the Source of the second JsonDataSource to the first JsonDataSource with a JsonPath. So we could avoid duplication of data.

Or let us bind to a nested object in a table.

 

Under Review
Last Updated: 16 Jul 2024 08:36 by ADMIN

My scenario is that I am exporting a report to Excel, and I need to format one of my columns that display numerical data with a specific culture.

I can achieve this with the FormatWithCulture text function but then Excel does not treat the values in that column as numbers which is why I have to use the Format property of the item, and return a number in the Value of the textbox.

Unfortunately, the Format property does not allow specifying a culture that will be used for the formatting so the culture on the server is always used. I need to change that dynamically with a report parameter.

 

Unplanned
Last Updated: 12 Jul 2024 12:49 by ADMIN
Created by: Todd
Comments: 3
Category: Reporting
Type: Feature Request
1

I would like to request an option on bar charts or column chart where the bars can be separated or pushed apart.  The default in Telerik is to place all bar series next to each other, which is visually terrible.  Attached is a sample image below.

I simple spacing option would be great!

Under Review
Last Updated: 04 Jul 2024 12:50 by ADMIN
Created by: Sam
Comments: 1
Category: Reporting
Type: Feature Request
0

Hi Team,

I would like to put in a request for PPT export option for Telerik reports. Our end users want the ppt file to be editable. One of your team members suggested that there is an existing ppt export format, but it is not editable at the moment.  Having an editable option is preferable.

Thanks

Samyutha Ravindran