if I want make my custom header (image, few rows, others) I can't do it - I need to write "title:false" and to come up the implementation of title in content.

I propose to add a few lines in the code to be able to customize header:

1. To templates:
	templates = {
		...
		existtitlebar: template(
			"<div class='k-window-actions k-header'>" +
				"# for (var i = 0; i < actions.length; i++) { #" +
					"#= action({ name: actions[i] }) #" +
				"# } #" +
			"</div>"
		),
		...
	};
2. To function "createWindow(element, options)":
	instead of "if (options.title !== false) wrapper.append(templates.titlebar(extend(templates, options)));"
	next:
		if (options.title !== false) {
			var header = contentHtml.find(KWINDOWTITLEBAR);
			if (header.length == 0) wrapper.append(templates.titlebar(extend(templates, options)));
			else wrapper.append(header.append(templates.existtitlebar(extend(templates, options))).detach());
		}

And if I write:
<div id="window">
	<header class="k-window-titlebar"><img src="some_image.png"/> Test header</header>
	Content of the Window
</div>
...
$(document).ready(function() {
	$("#window").kendoWindow();
});

I get next (ex.):
<div class="k-widget k-panel" style="padding-top: 26px; ">
	<header class="k-window-titlebar k-header" style="margin-top: -26px; ">
		<img src="some_image.png"/> Test header
		<div class="k-window-actions k-header"></div>
	</header>
	<div id="window" data-role="window" class="k-window-content k-content">
		Content of the Window
	</div>
</div>


P.S. Possible the content of "header" should be placed in "span class='k-window-title'". In this case the new template is not needed. Only override "options.title" in "createWindow".

Provide Microsoft Word-like authoring and editing in KendoUI using a familiar interface for your end users.  
Must support importing and exporting files to and from DOCX format.

Similar to the Telerik Silverligth and  WPF control RadRichTextBox.
http://www.telerik.com/products/silverlight/richtextbox.aspx

I would like to be able to add workfklow specific shapes like swimlanes to kendo diagram and being able to edit their texts.

Is integration with aerelia planned?

http://aurelia.io/

Presently, widget zoom events are only triggered from the mouse scroll wheel.

Please support zoom via touch input.

Ability to use template apposed to field(s) in dataTextField and dataValueField. This feature will make control more flexible and customizable on client side. 

It will be great if Telerik gives same themes for AJAX and MVC. As new projects are developed using MVC and to match theme to old AJAX project it will be helpful.

When ever if any out-of-box theme is available in AJAX please provide same theme in MVC also.

Thanks

The Globalization cultures contain the zero-based UTC date format "u".
However, when parsing or formatting a date using this "u" format, a wrong date comes out.
The local hours are not offset to the zero-based UTC format. End-users will see a wrong local date parsed from a UTC date,  and a wrong UTC date formatted from a local date.

Please add proper UTC support to Kendo UI.

csv file is much lighter than json. For flat data to be represented in grid layout, need to support this format for grid.

If Kendo tooltip configured closeToHide: true, then the kendo tooltip only hide when the close (x) icon clicked. The tooltip will still appear if user scroll mouse or click at another area on browser.


Currently kendo tooltip will be hide when user scroll mouse or click at another area on browser even if it was already configured autoHide: false

ASP NET MVC provides jquery.validate.unobtrusive validation that, using jQuery validation, let us set validation attributes into model class.
http://weblogs.asp.net/mikaelsoderstrom/archive/2010/10/06/unobtrusive-validation-in-asp-net-mvc-3.aspx
Would be nice if it may work also with kendo ui validation.

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.

Support row templates in conjunction with frozen / locked columns

Looks are not enough... Performance please !!!


Besides reasonable funcitonality and good html5 looks we really need to start hinking about how to bring this to a new level of performance. Data's getting bigger and bigger but the charting tool hasnt up'ed their level in handleing that data. Please review and increase the cap of how many point a simple bar chart can handle...Example?
try plotting 4k points ( x axis being 0 or 1 and y axis jsut a count from 1 - 4k) using a bar chart. One of them might be reasonable but what if you have 5 of them or more on the same page ? 
Ambitious ? Stupid ? Not needed  ? probably because one doesn't need to deal with that kind of data, but I promise to any analyst that that day will come !!!

Add support for intellisense, auto-complete and syntax-highlighting to the editor. This enables the editor to be used for writing code or script. The intellisense and auto-complete rules should be customisable and support Ajax callbacks to populate.

Examples:
CodeMirror: http://codemirror.net
Brackets: https://github.com/adobe/brackets
Cloud9 Editor: http://ace.ajax.org

Since now Google started doing it on Gmail, I believe that we'll need even more these features.

Where several pie charts are displayed above each other, it would be nice to specify a consistent diameter or max width for the legend (when the legend is displayed to the side) to ensure all the pies line up together. Longer legend items then need to wrap.