Clicking an item in the parent list reveals the child list that replaces the parent list.

At the top of the child list, there is a < back item that allows returning to the parent list.

For examples, see the drawers at:

• https://www.amazon.com/
• https://www.diy.com/ (make the window small enough to display the drawer button)
  

See also https://www.telerik.com/forums/kendo-ui-drawer-subitems

We need the ability to modify the title of the new predefined dialog control.  This control is a great replacement for JavaScript alerts and confirms.  However, we should be able to modify the title by passing in an additional parameter when using the control.

Below is a workaround using CSS:

    <style>
        .k-confirm .k-window-titlebar::before,
        .k-alert .k-window-titlebar::before {
            content: 'My New Title';
            font-weight: bold;
        }
        .k-confirm .k-window-titlebar .k-dialog-title {
            visibility: collapse;
        }
        .k-dialog .k-window-titlebar .k-dialog-title {
            visibility: hidden;
        }
    </style>

Make it easy to add Kendo UI to ASP.NET projects and provide a NuGet package.

CSP is a great security feature. It should be fully supported by Kendo! The best would be some way to precompile Kendo Templates. Second option could be that you can use Kendo + CSP when not using own Kendo Templates at all. 

Make better kendo framework documentation. Demos are fine but it does not have many of the necessary information.

It would be great to have such controls as webparts/widgets to place in a dashboard where we could move them around the screen to reorder how data is presented with option to save/retrieve the layout from a persistent source.

In the dashboard the functionality would be to define a layout where we could add/remove, change position the widgets (like in dropthings or pageflakes). The widgets would contain controls like Kendo Grid or DataViz controls to display information.

That would be a killer feature.

I would love to see this happen in the next release! The hacks out there work, but we're still forced to use the Select2 library to do this well. We want to use Kendo for the whole project.

http://css-tricks.com/responsive-data-tables/

It would very nice to have official ReactJS binding for Kendo UI.

I imagine this would be difficult, but it's a feature that we would most certainly need if we ever were to make this our primary framework...  A server-side excel file could be generated as-is, but the problem is that users expect the document to be identical to the grid they are viewing.  If they do any filtering/grouping/sorting, they expect the resulting excel document to match.  The current Telerik winforms RadGridView does a wonderful job at this and produces an xml excel document - this would be the ideal behavior to duplicate..

Very hard to coloring the icon (only black and white if using sprites). I need to color the icon especially during validation when invalid. And second, I also want standardize icon in my project with glyphicons.

I use a common form to bind data objects to. I also perform validation on this form. If I validate the form through a submit and it fails (validate() returns false), I close the window and then rebind with the same or a different object (from a grid or some datasource). When the window comes back up, the validator messages are still there from the last failed submit. I need a way to clear them. I could call validate on the rebind, but I want to clear them, not reevaluate them (as there could be some that come up...especially when adding a new item with no data in it).

T4 Templates to slect in the asp.net Wizard to provide views controllers and and data connections to services

The drawer widget can be opened either via a button click or the user swiping anywhere. Our users consider this unexpected behavior, and often wonder what they are looking at after an accidental swipe.

Please support API access for private NuGet feed. It is more friendly to build servers and avoids user information leaking.
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ADMIN EDIT
Update from 1 Mar 2021 - At the moment we are looking at providing certificate-based access - a relatively new feature that seems to be the current best practice (issue, PR). While it does require a little bit of setup, it does not expose secrets in the URL, and does not require user credentials.
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For a column chart, both the column and its (optional) label can be clicked and wired up with seriesClick. However, the cursor only turns into a pointer (hand) when hovering over the column; it does not do this for the label above, even though it's active. I'd like this to be consistent, and thus have hovering over the label turn the cursor into a pointer as well.

Add a function that will return the Kendo UI version we are working with.

Getting versions of the underlying librairies (Like JQuery) could also be interesting

The beta text editor is looking good and has an option to insert images via url.
However for most end users they will need a simple image upload.

The kendoupload means you already have much of the required functionality, it just needs to upload the image and return the url.

Also options such as adding title, alt, resizing and alignment will be good.

We currently use ckeditor and until the advanced image options are matched will not be able to move this over to kendo.

I would like a control to accept durations in the format HH:MM, and persist as a number minutes (or maybe optionally fractional hours).  Something similar was suggested here (not by me):

http://www.telerik.com/forums/mobile-time-duration-picker

I have a time keeping application where user need to be able to enter summarize duration amounts on their timesheets, such as 8 hours of Holiday time (entered as "8:00").  It doesn't make sense to enter this as a time range.

We're accomplishing it now with a textbox, a masking library, and a bunch of fragile JS code, but I'd like a control that is natively build for this.

We want the Grid fix the remote virtual scrolling with groups. 
In this case the Grid stay launching requests indefinitely.