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The Telerik UI for ASP.NET AJAX R1 2016 SP1 release is live, and introduces important changes in the appearance of the ASP.NET AJAX controls. They are now more responsive and flexible for customization.

Font Removal From Almost All Skins

(font, font-size, font-family, font-weight, font-icon, font-style)

We've removed the built-in font settings of the controls and changed their metrics so they inherit their container/page font settings and look better on the screens of today's devices (bigger fonts, padding and so on). And that's not all—we've improved their elasticity and made them more consistent.

These improvements are part of an ongoing initiative to improve the appearance of all Telerik ASP.NET AJAX controls. If you ever experience any trouble with these changes, we'll gladly help you quickly solve them.

Here is a simple example showing how you can set the font size of the page, which will automatically be applied to the controls on it:

body {
    font-size: 14px;
    font-family: "Segoe UI", Arial, Sans-serif;

You can see our help article on fonts for more information. Soon we'll also publish a blog post focusing specifically on this new improvement with more details, screenshots and examples.

Other Improvements That Directly Benefit You

  • Stability—a lot of bugs have been fixed, and you can find them in the Release Notes
  • Device Detection Framework—the list of supported devices and browsers has been expanded and updated
  • RadSpreadsheet has been updated:RadSpreadsheet skins
    • The full set of skins is now available and supported
    • Client import from XLSX has been provided
  • The exportation of DOCX and RTF in RadEditor now supports HTML images with relative URLs
  • The "Primary buttons" functionality is now offered by RadFormDecorator

Upgrade Instructions and Helper Tools

You can also meet the new Telerik API Analyzer Tool. It could help you identify all problematic areas in the C# code which you might face during the upgrade process. You can check out this useful blog post for more information on how to upgrade to the latest version in a few easy steps.


If you're curious to learn what major stuff is planned for R2'16, take a look at our planned roadmap. You can also go back and check out our blog post on the topic, where we describe the changes in more detail.


Your opinion is always valuable to us. Don't hesitate to share it in the comments below.

About the Author

Rumen Jekov

Rumen Jekov (@Rumen_Jekov) started his career at Telerik’s ASP.NET team in 2004 as a tech support engineer and passed through the position of a team lead to a product manager. He has answered more than 51,500 tickets helping customers to achieve their goals. Presently, he is a product owner of Telerik UI for ASP.NET AJAX and a manager of the AJAX crew at Progress. Off work, he enjoys traveling across the globe, watching movies and tech shows, reading books and listening to podcasts.

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