Reproduction of the problem

1. Run this sample
2. Select first row
3. Delete the row
4. Select range A1:C3
5. Apply borders
6. Select row 3
7. Delete the row

Current behavior

Top border of cell B1 disappears

Expected/desired behavior

Borders are persisted

TicketID:

1708030

Environment

* **Kendo UI version:** 2025.4.1217

Bug report

After exporting/saving an image using the Kendo Drawing API, the styles added for the export remain.

Reproduction of the problem

1. Go to this Kendo UI Dojo.
2. Inspect the component

Current behavior

Transition remains at none after exporting.

Expected/desired behavior

Explain what the expected behavior of the functionality is

This behavior has occurred since version 2024.4.1112

Create a grid with batch set to true and update a field value using the set method of the kendo.data.Model object in JavaScript. The grid cell will be marked as dirty but the "Save changes" or "Cancel changes" buttons will not display. If you click into another editable cell, then the buttons will display.

See https://dojo.telerik.com/TwTMSsrB and attached example.html.zip.

See attached image.png for example image.

If you create a grid with editable set to true, selectable set to one of the multiple options ("multiple, row" or "multiple, cell"), batch set to true and a column with editing disabled (either through the model or through the columns editable property), then when you update an editable cell and click the non-editable cell in the same row the "Save changes" and "Cancel changes" buttons do not appear.

See https://dojo.telerik.com/zAKmmTEU and attached example.html.zip

Notes:

Editable is disabled using a JavaScript function for UnitsInStock

{ field: "UnitsInStock", title: "Units In Stock", width: 120, editable: function() { return false; } },

Editable is set to false in the schema model for Discontinued

Discontinued: { type: "boolean", editable: false },

In this example, if you change the value of a UnitPrice cell and then click one of the non-editable cells (UnitsInStock or Discontinued) in the same row, the UnitPrice cell will be marked as dirty, but the "Save changes" and "Cancel changes" buttons will not appear.

This appears to happen because of the following:

• The focusout event is triggered on the grid.
• The closeCell method is called from the tap event registered on the cell.
• The _destroyEditable method is called within the closeCell method.
• The _editContainer field is set to null in the _destroyEditable method.
• The closeCell method is called again from within the editCell method but returns early because the _editContainer field is null.
• The timeout anonymous method from the focusout event handler is called, but the _toggleToolbarEditingItemsVisibility method is not called because _editContainer is null.

Stack trace:

See attached image.png for an example image.

Bug report

When using the Selection and Export Grid Demo in Safari, and pasting the cells in Excel, there appears to be some extra empty lines below the paste.

Reproduction of the problem

1. Open the demo URL in Safari browser.
2. Select few cells and choose Copy option from the context menu.
3. Open an Excel file and paste the copied items (extra empty lines are pasted at the end).

Expected/desired behavior

The pasted lines should not include any additional empty lines beneath the specific content.

Environment

• Kendo UI version: 2022.2.802
• jQuery version: All Supported
• Browser: all

Hi Team,

I would like to request adding visual page breaks with header/footer features.  Comparatively, SyncFusion has this included and it would be great to have Telerik add these features.

Thank you!

The different Date/Time Pickers contain of an input field and a button that opens a calendar view in a popup. Usually, the background color of the button changes when it is clicked. In Firefox, nothing happens, because it seems to block the :active pseudo class. This DOJO demonstrates the behavior.

In other, similar input widgets like the NumericTextBox, this problem does not occur, because the .k-selected class is set on the button instead. Still, Firefox blocks the :active pseudo class.

Bug report

When sorting is enabled for a virtualized Grid, in some cases, after scrolling to the bottom, the Grid does not show enough items to fill the tnire table.

Reproduction of the problem

1. Open the Dojo - https://dojo.telerik.com/XZAkgwxd
2. Scroll to the bottom and sort the table, for example, by ID

Current behavior

The Grid shows only the last page of items, while there are enough items to fill up the entire table

Expected/desired behavior

Enough items to fill the Grid height should be displayed. There should be no blank space without records.

Environment

• Kendo UI version: 2025.4.1111
• Browser: [all]

Hi Team,

While I understand there are release notes and breaking changes, I would like to request you consider adding some version information to the documentation.  This would help identify when certain features were introduced.  

Thank you!

Bug Report

If you load a PDF with hyperlinks to navigate throughout the PDF, the page will not be rendered and the navigation fails.

Reproducible

1. Go to our live demo.
2. Add a pdf with links pointing to later page
3. Click on the link to later page

Current Behavior

The following console error will occur:
Uncaught (in promise) TypeError: Cannot read properties of null (reading 'offsetParent')

Expected Behavior

The link should navigate to page links.

Environment

• Kendo UI version: 2025.4.1217
• jQuery version: All Supported Versions
• Browser: all

When a kendoContextMenu is applied to a combobox (html tag select) you are not able to show the select options by tapping it. The behaviour is on mobile browser only (tested iPad and Google Chrome developer tools with device toolbar enabled).

I reproduced the issue in telerik dojo, here is the code.

<!DOCTYPE html>
<html>
<head>
    <base href="https://demos.telerik.com/kendo-ui/menu/context-menu">
    <style>html { font-size: 14px; font-family: Arial, Helvetica, sans-serif; }</style>
    <title></title>
    <link rel="stylesheet" href="https://kendo.cdn.telerik.com/2021.1.330/styles/kendo.common-bootstrap.min.css" />
    <link rel="stylesheet" href="https://kendo.cdn.telerik.com/2021.1.330/styles/kendo.bootstrap.min.css" />
    <link rel="stylesheet" href="https://kendo.cdn.telerik.com/2021.1.330/styles/kendo.bootstrap.mobile.min.css" />

    <script src="https://kendo.cdn.telerik.com/2021.1.330/js/jquery.min.js"></script>
    
    
    <script src="https://kendo.cdn.telerik.com/2021.1.330/js/kendo.all.min.js"></script>
    
    

</head>
<body>
    <div id="example">
      <select>
        <option>Opzione 1</option>
        <option>Opzione 2</option>
        <option>Opzione 3</option>
      </select>
      
    <ul id="menu">
        <li>
            <img src="../content/web/toolbar/reply.png" /> Reply
        </li>
    </ul>
      
</div>
<script>
    $(document).ready(function() {
        setTimeout(function () {
            var initMenu = function () {
                menu = $("#menu").kendoContextMenu({
                    target: "select",
                    select: function(e) {
                        // Do something on select
                    }
                });
            };

            initMenu();
        }, 0);
    });
</script>

</body>
</html>

Bug report

NORM.S.INV, NORM.INV, and NORM.DIST are officially listed as supported formulas, but they are not functioning properly

Regression bug since 2024.4.1112

Reproduction of the problem

Open the Demos - https://demos.telerik.com/kendo-ui/spreadsheet/index

Paste: =NORM.S.INV(0.908789)

Result must be 1.3333347

Environment
Kendo UI version: 2024.4.1112
Browser: [all ]

The TileLayout is a great way to show data in a dashboard, but lacks a dataSource to allow dynamic generation of them. I have had to create a custom extension that introduces a dataSource, which then utilises `widget.setOptions({ containers: items })`. But this puts too much reliance on custom code and is a worry that it will break between version upgrades. Also, editing one container doesn't allow the refreshing of one tile; I need to reset the whole lot using `setOptions`.

Adding, editing, resizing, and re-ordering are also difficult to implement for a tool that has huge potential.

Hi Telerik Team,

I’m using Kendo UI version 2022.3.1109 with jQuery, and I have implemented a Kendo UI ImageEditor in my application. I would like to restrict the allowed file types when users open an image from their device.

Goal
I want the ImageEditor to accept only a specific set of formats:

• .png
• .jpg/jpeg
• .webp

Current Behaviour

When the user clicks the Open tool inside the Image Editor:

• It allows all file types, including unsupported ones
• There is no configuration option like the accept attribute available in Kendo Upload
  
  I checked the documentation but could not find any built-in way to filter file types for the ImageEditor Open dialog.

Regards,
Amit

Hi Team,

I would like to request a chart which visually displays workflow data similar to a Gantt chart but in pivoted form.  

Thank you!

Bug report

When there are multiple Property Grids on the page, all the Property Grids have the column width as configured for the first one.

Reproduction of the problem

1. Open the Dojo - https://dojo.telerik.com/qxeixekp

Current behavior

The second and third PropertyGrids have the same width as the first PropertyGrid, although their configuration is different.

Expected/desired behavior

Each instance should have column widths based on the configuration.

Environment

• Kendo UI version: 2025.4.1111
• Browser: [all]

Bug report

In some cases, a CSP error - Applying inline style violates the following Content Security Policy directive 'style-src 'self' .... is thrown in the Editor

Reproduction of the problem

1. Open the Dojo - https://dojo.telerik.com/jOwrhome
2. Enter text and click on the tools. Note: the error does not appear consistently; You can follow the steps from the video below to replicate it (clicking on 'bold', 'align', 'unordered list')

Current behavior

CSP Error is thrown - Applying inline style violates the following Content Security Policy directive 'style-src 'self'

Expected/desired behavior

There should be no errors when using the Editor tools.

Environment

• Kendo UI version: 2025.4.1111
• Browser: [all ]

Bug report

When the sortable option is disabled, the title in the header is not wrapped in span element with 'k-column-title' class.

Reproduction of the problem

1. Open the Dojo and inspect the titles - https://dojo.telerik.com/hKCCsAOU

Current behavior

Rendering with sortable enabled:

The filtering icon and title have enough space:

Rendering with sortable disabled:

filtering icon overlaps the title in case of long text:

Expected/desired behavior

The rendering should be identical. The header title should be wrapped in a span element with 'k-column-title' class

Workaround for fixing the overlapping issue:

<style>
    .k-grid-header .k-filterable{
      padding-right: calc(1.42857143em + 14px);
    }
  </style>

Environment

• Kendo UI version: 2025.4.1111
• Browser: [all ]