The ability to show confidence intervals (80% and 95% intervals). Something like what can be done with the Percentiles plugin for Flotcharts:
  http://www.flotcharts.org/flot/examples/percentiles/index.html

Example URL: http://jsbin.com/elutuz/4

The second tab (Sales) has data-stretch="true" set for its view. This appears to throw an error that breaks the drawer for that view. 

hi telerik
It would be great to have a calendar view similar to http://www.almanach.free.fr/ and the ability to add task to a day.

React uses a declarative paradigm that makes it easier to reason about a JavaScript application. React computes the minimal set of changes necessary to keep your DOM up-to-date. 

Kendo UI seems not to have such an update feature. But since React works with most libraries and frameworks, please create an example app with React or make a blog post about how to use React together with Kendo UI Web.

As per forum thread: http://www.kendoui.com/forums/mobile/listview/endlessscroll-with-scroller.aspx

The Listview should look for any parent scroller to determine endlessScroll rather then look at the View's scroller.

Please support the HTML5 History API and stop using URL fragments for both general use and SPAs. URL were, and always will be, a hack (although necessary previously) and there is enough support for the History API now to move to it. Even Facebook is using it, so there can be much concern for support. :-)

It would be nice to be able to have log scales on gauges.

Native mobile tabstrips each have have their own set of views and history per tab.  So for example if you are doing work on one tab, then click another tab, returning back to the first will show everything as it was before leaving.  


kendo mobile's tabstrip doesn't work that way.  Clicking on another tab destroys the content in the previous tab. It should not do that!  Rather, it should mimic the behavior of a native tabstrip.

When sorting a foreign key column on grid, the sorting is performed using the value/id - which is wrong. The sorting should consider the text displayed to the user.

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.

We were recently going to upgrade from Kendo 2012Q2 to 2013Q1. Unfortunately we can't because we require support for IE8+. 

Our issue is the grid's dataItem method. In IE, it's just too slow. In order to use the newer version of Kendo, we have to upgrade to jQuery 1.9.1 (supplied in the Kendo package). In some cases, the selectors you are using are 13x slower than they were in jQuery 1.7.1.

http://jsperf.com/jquery-1-9-performance-issues

In the dataItem method, you're using the ">" selector instead of children. This, coupled with :not causes this method to crawl. 

In the jsperf test I linked above, I profile many different scenarios. You might want to take a look and see if perhaps you can make use of the .children() method and .not() instead of :not in future releases.

Element scrolling on Android 2 devices is jerky. As a workaround it would be good to have ability revert to native page scrolling. 
I've successfully implement this with css, but this only works on non-touch devices. Touch devices "highjack" the touch events of body.

There are a couple of basic controls which I'm missing in Kendo UI WEB for example:
- Rating
- Carousel
- Progress Bar
- Image Cropper
- etc.

Please have a look at this non-commercial framework: http://www.alloyui.com

It would be wonderful to have code highlighting and Intellisense for script blocks using the text/x-kendo-tmpl type in Visual Studio.

Currently you can change the type to text/html to get partial html syntax highlighting, but it does not highlight Kendo specific elements inside #: #. 

Add a way to keep the highlight in list view - useful in split view so that it's clearly visible which item is selected (to be consistent to iOS, e.g. Mail app)

When a dataviz chart is bound to a series that contains null points (for example if no data exists for a particular item on given column in data model), hovering over that series in the legend causes an error in the DataViz pointsBySeriesIndex function.

A workaround is to edit the source JS function, adding a check to see if points[j] is undefined. Is it possible to fix this in future releases?

Add the feature of Thresholds in charts... change color if data is out of range...

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.

I'm resurrecting this on the suggestion of Todd Anglin.  An earlier request for this feature was declined because modern browsers include spell check.

However, there are many use cases where this is no use.  In my particular case I need:

   - Spell Check to work in IE8
   - Custom (and programmatically accessible) dictionaries
   - The ability to programmatically turn spell check on/off on a field by field basis

add server side wrapper jsp for mobile, support MVC binding, when server side data change, mobile side widget auto change