Completed
Last Updated: 3 Apr 2025 15:52 by ADMIN
When I change the width of the component, I expect that the state of the buttons (active/locked) will change depending on the scroll position, but this does not happen. For example, if the component did not scroll and both buttons are locked, then when the width is reduced, they will also remain locked. I think this is a mistake. Is there a way around this problem?
Completed
Last Updated: 3 Apr 2025 15:57 by ADMIN

in latest v9.3.1 it appears GridFilterCell isn't passing properties shaped as 'isRequired' on DatePicker popupSettings 

this does seem to be a regression because i just recently noticed it in latest upgrade which we need for other bug fixes.

i pursued patching myself by populating animate in GridFilterCell.mjs which seemed to work but then i got warning for the next required property "appendTo". however, populating appendTo yields warning "Warning: Failed prop type: Invalid prop `appendTo` supplied to `Kendo React Popup`. Validation failed." so it's not easily reconcilable that way... therefore i tried removing isRequired on all 3 DatePicker popupSettings properties which of course avoided warnings and i didn't see any negative side effects.

here is a codesandbox repro minimally tweaked to include a date field from kendo grid's "getting started" demo: https://codesandbox.io/p/sandbox/cool-sanne-d4tp85

admittedly this is just a warning but it does create unnecessary noise in browser debug which detracts from issues truly requiring attention during development.

screenshot with the warning from that demo repro:

Completed
Last Updated: 23 Jan 2025 18:18 by ADMIN
Release 2025 Q1 (Feb)
Created by: Maria
Comments: 2
Category: KendoReact
Type: Bug Report
1
Hi,

there seems to be an issue when changing the value of a DateTimePicker from null to a Date object and the specified format includes seconds.

Reproduction: 

1. Open https://stackblitz.com/edit/react-hnfuerwc?file=app%2Fapp.tsx  

2. Choose a value from the DateTimePicker 

Actual Behaviour
The chosen value does not show up in the input box. Works OK in 8.5.0

Expected Behaviour
The chosen value should appear in the input box

Browser
Chrome, version 131.0.6778.205

OS
Windows 11
Completed
Last Updated: 23 Jan 2025 18:20 by ADMIN
Created by: Brent
Comments: 2
Category: KendoReact
Type: Bug Report
0

here's a simple repro project minimally tweaked from an original kendo demo:

https://codesandbox.io/p/sandbox/suspicious-lovelace-8nmzgj?file=%2Fpackage.json

just start dragging a column resize handle and you should see the "jitter" right away. in our experience, the jitter is so pronounced that resizing columns is no longer practically usable.

please note this bug is definitely related to putting the kendo grid inside of a css-grid, see that definition in the parent <div style>

as you may imagine, we use css-grid for our overall page layout which i believe is still modern best practice and we really hope you can fix this regression within that usage context.

note, the bug manifests regardless of the gridTemplateAreas or gridTemplateColumns, you can eliminate those entirely and it's still present.

hopefully helpful for tracking down:  it appears this started exactly in version "@progress/kendo-react-grid": "9.0.0-develop.11"... notice if you change back to @progress/kendo-react-grid v9.0.0-develop.10 the columns will no longer jitter upon resize.
 
gif video attached just to be sure the issue is clear
Completed
Last Updated: 4 Jun 2024 11:47 by ADMIN
Created by: Marcu
Comments: 5
Category: KendoReact
Type: Bug Report
0

Hello,

We are encountering an issue with duplicate entries in our Kendo Grid with drag & drop functionality. When the grid is scrolled, clicking on any of the header cells multiple times results in the first entry being duplicated. This problem occurs on the example provided on your website as well: Kendo React Grid Row Reordering

Reproduction Steps:

  1. Scroll down within the grid.
  2. Click on any header cell multiple times.
  3. Scroll back to the top of the grid.

You will notice that the first entry is duplicated multiple times. It appears that the reorder logic is being triggered when a header cell is pressed.

We are using version 6.1.0. Please refer to the attached video for a visual representation of the issue.

Thank you for your assistance.

Completed
Last Updated: 1 Feb 2024 15:48 by ADMIN

This is a bug on your documentation website.

Go to https://www.telerik.com/kendo-react-ui/components/grid/ for example to see that the side panel on the left is empty in an Edge browser. It flickers then it disappears.

It works fin in Chrome and Firefox

Completed
Last Updated: 27 Sep 2024 04:59 by ADMIN
Release 2024 Q3 (Aug)
Created by: Grant
Comments: 5
Category: KendoReact
Type: Bug Report
0

Hi team, 

Im my example (see here), I've added a 'name' attribute to the 'Persons' resource data, and changed the textField mapping to use the 'name' field, however the scheduler is still displaying the results of the 'text' attribute. 

Leading me to think that the scheduler is hardcoded to only look for the text attribute, because if its changed/removed, the scheudler does not display anything, regardless of what the 'textField' value is.

Please advise.

Thanks,
Grant

Completed
Last Updated: 31 Mar 2025 13:19 by ADMIN

 

Environment (OS, Application, Versions)

Repro Steps

  1. Open URL: Column Menu - Kendo React (telerik.com)
  2. Navigate to context menu controls available on column headers of Basic usage table.
  3. Verify if context menu is accessible using keyboard.

 

Actual Results

The 'context menu' controls available on the column headers under the basic usage table are not accessible using the keyboard.

 

Expected Results

The 'context menu' controls available on the column headers under the basic usage table should be accessible using the keyboard.

 

Completed
Last Updated: 31 Mar 2025 14:07 by ADMIN
Created by: Michael
Comments: 2
Category: KendoReact
Type: Bug Report
0
Hi thanks. When resizing a column the page skips in Edge. Please see attached video. KendoReact.
Completed
Last Updated: 15 May 2023 15:58 by ADMIN
Created by: Claudio
Comments: 3
Category: KendoReact
Type: Feature Request
0

Hi, when using the Kendo React Typography component like following:

<Typograpy.h1></Typograpy.h1>

compiler gives the following warning:

Imported JSX component h6 must be in PascalCase or SCREAMING_SNAKE_CASE                                                                       react/jsx-pascal-case
It would be nice to change this behavior to the right one, or maybe adding a property 'variant'
Completed
Last Updated: 19 Dec 2024 17:51 by ADMIN
Created by: Marcel
Comments: 3
Category: KendoReact
Type: Bug Report
3

Hello,

when using the StrictMode we get an UncaughtError when using the PopupComponent. Fe. when using the Date/Time-Picker.


ERROR
Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops.
    at checkForNestedUpdates (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:27287:11)
    at scheduleUpdateOnFiber (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:25470:3)
    at Object.enqueueSetState (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:14067:7)
    at Component.setState (webpack-internal:///./node_modules/react/cjs/react.development.js:355:16)
    at PopupWithoutContext.componentDidUpdate (webpack-internal:///./node_modules/@progress/kendo-react-popup/dist/es/PopupWithoutContext.js:285:18)
    at commitLayoutEffectOnFiber (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:23328:30)
    at commitLayoutMountEffects_complete (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:24683:9)
    at commitLayoutEffects_begin (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:24669:7)
    at commitLayoutEffects_begin (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:24651:11)
    at commitLayoutEffects (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:24607:3)


The above error occurred in the <PopupComponent> component:
    at PopupWithoutContext (webpack-internal:///./node_modules/@progress/kendo-react-popup/dist/es/PopupWithoutContext.js:97:28)
    at eval (webpack-internal:///./node_modules/@progress/kendo-react-popup/dist/es/Popup.js:38:67)
    at div
    at AsyncFocusBlur (webpack-internal:///./node_modules/@progress/kendo-react-common/dist/es/hocs/AsyncFocusBlur.js:30:23)
    at TimePickerWithoutContext (webpack-internal:///./node_modules/@progress/kendo-react-dateinputs/dist/es/timepicker/TimePicker.js:87:28)
    at eval (webpack-internal:///./node_modules/@progress/kendo-react-common/dist/es/hocs/withPropsContext.js:28:95)
    at component
    at Field (webpack-internal:///./node_modules/@progress/kendo-react-form/dist/es/Field.js:37:22)
  ...

Completed
Last Updated: 21 Oct 2024 07:25 by ADMIN
Created by: Aaron
Comments: 1
Category: KendoReact
Type: Bug Report
0

Given the simple example:


const RatingContainer = () => {
  const [ratingValue, setRatingValue] = useState(0);

  const clearRating = () => {
    setRatingValue(0);
  }

  const onRatingChange = (event) => {
    setRatingValue(event.value);
  }

  return <div>
    <Rating 
      value={ratingValue}
      onChange={onRatingChange}
    />
    <Button
      onClick={clearRating}
    >
      Clear
    </Button>
  </div>
}

export default RatingContainer;

The Rating component behaves as expected when updating `ratingValue` through the Rating component. However, when I want to clear the rating value with the 'Clear' button to update the `ratingValue`, the number of stars displayed doesn't update reflect the value of `ratingValue`.

Here is a subsection of my package.json file.


   "@progress/kendo-data-query": "^1.6.0",
    "@progress/kendo-drawing": "^1.17.5",
    "@progress/kendo-licensing": "^1.3.0",
    "@progress/kendo-react-animation": "^5.13.0",
    "@progress/kendo-react-buttons": "^5.13.0",
    "@progress/kendo-react-charts": "^5.13.0",
    "@progress/kendo-react-common": "^5.13.0",
    "@progress/kendo-react-data-tools": "^5.13.0",
    "@progress/kendo-react-dateinputs": "^5.13.0",
    "@progress/kendo-react-dialogs": "^5.13.0",
    "@progress/kendo-react-dropdowns": "^5.13.0",
    "@progress/kendo-react-editor": "^5.13.0",
    "@progress/kendo-react-excel-export": "^5.13.0",
    "@progress/kendo-react-form": "^5.13.0",
    "@progress/kendo-react-grid": "^5.13.0",
    "@progress/kendo-react-indicators": "^5.13.0",
    "@progress/kendo-react-inputs": "^5.13.0",
    "@progress/kendo-react-intl": "^5.13.0",
    "@progress/kendo-react-labels": "^5.13.0",
    "@progress/kendo-react-layout": "^5.13.0",
    "@progress/kendo-react-listview": "^5.13.0",
    "@progress/kendo-react-notification": "^5.13.0",
    "@progress/kendo-react-pdf": "^5.13.0",
    "@progress/kendo-react-progressbars": "^5.13.0",
    "@progress/kendo-react-tooltip": "^5.13.0",
    "@progress/kendo-react-treelist": "^5.13.0",
    "@progress/kendo-react-treeview": "^5.13.0",
    "@progress/kendo-react-upload": "^5.13.0",
    "@progress/kendo-svg-icons": "1.4.2",
    "@progress/kendo-theme-bootstrap": "^5.2.0",
I also attached a screenshot capturing an example.
Completed
Last Updated: 19 Dec 2024 17:53 by ADMIN
Created by: Tom
Comments: 2
Category: KendoReact
Type: Bug Report
0

Hi,

Not sure what the preferred way to report a problem is. I have posted it on GitHub as well:
https://github.com/telerik/kendo-react/issues/1519

Could someone help me out with this issue?

Thank you in advance.

Completed
Last Updated: 5 Jun 2023 14:33 by ADMIN

Current Behaviour

When a table is created in the text editor and multiple columns are selected an error is thrown.

Errors:
TypeError: Cannot read properties of undefined (reading 'localsInner')

TypeError: Cannot read properties of undefined (reading 'eq')

 

Expected Behaviour

When a table is created in the text editor and multiple columns are selected an error must not appear and the user must be able to merge or split the cells.

 

MInimal Reproduction

I'm providing a reproduction from Kendo React code examples.
https://stackblitz.com/edit/react-su15wr?file=app%2Fmain.tsx

 

Package
"@progress/kendo-react-editor": "^5.11.0"

Completed
Last Updated: 2 Mar 2023 15:37 by ADMIN

Hi,

If you use kendo-theme-bootstrap for most Kendo React inputs, it results in bootstrap styling being applied to the input e.g. https://www.telerik.com/kendo-react-ui/components/dateinputs/datepicker/ or https://www.telerik.com/kendo-react-ui/components/dropdowns/combobox/. With the Bootstrap theme selected the DatePicker and Combobox have blue shadows on focus.

This is not true for the DropDrownList: https://www.telerik.com/kendo-react-ui/components/dropdowns/dropdownlist/. The border on focus does not match Bootstrap styling.

Kind regards,

David

Completed
Last Updated: 15 Feb 2023 14:45 by ADMIN
Created by: Randee
Comments: 1
Category: KendoReact
Type: Bug Report
0
I saw this bug was suppose to be fixed in kendo-theme-bootstrap 6.0.0 however I'm running 6.1.0 and I'm still getting this warning. with sass and vite

Completed
Last Updated: 31 Mar 2025 14:06 by ADMIN
Created by: lavanya
Comments: 2
Category: KendoReact
Type: Feature Request
0

I have attached files, in which there is an app bar content there is a dropdown in the dropdown there are four elements, in that I need four drawer container on the left side as I attached by clicking the single dropdown, how can I attach 4 drawer container in a single project 

 

Thank you

Completed
Last Updated: 22 Dec 2024 17:43 by ADMIN
Created by: Daniel
Comments: 2
Category: KendoReact
Type: Bug Report
0

Current Behaviour

When I lock columns In data grid with resizable columns - for example 1st and 3th and resize the 1st one - after we scroll horizontally the 3th column goes on top of the 1st column. This happens when we haven't set a width prop.

 

Expected Behaviour

Resized columns not overflowing on each other when scrolling horizontally and don't have width prop.

 

MInimal Reproduction

I'm providing a reproduction from Kendo React code examples.
https://stackblitz.com/edit/react-xvxy59?file=app%2Fmain.jsx

Completed
Last Updated: 18 Jan 2023 12:47 by ADMIN
Created by: lavanya
Comments: 1
Category: KendoReact
Type: Feature Request
0
const bar = [
  { month: 'Jan', sales: 35 },
  { month: 'Feb', sales: 28 },
  { month: 'Mar', sales: 34 },
  { month: 'Apr', sales: 32 },
  { month: 'May', sales: 40 },
  { month: 'Jun', sales: 32 },
  { month: 'Jul', sales: 35 },
  { month: 'Aug', sales: 55 },
  { month: 'Sep', sales: 38 },
  { month: 'Oct', sales: 30 },
  { month: 'Nov', sales: 25 },
  { month: 'Dec', sales: 32 }

];

 

this is my data I want to use a column chart using this data x-axis as month and y-axis sales how can i use this data

Completed
Last Updated: 25 Nov 2022 15:36 by ADMIN
Created by: lavanya
Comments: 1
Category: KendoReact
Type: Feature Request
1

is that possible to change the background line (grid )

how can I change the color of the grid or invisible in the kendo UI chart

 

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