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The first service pack of the R2 2016 release of UI for ASP.NET AJAX is out. Go ahead and grab it to make your web apps more stable.

The latest stability release of UI for ASP.NET AJAX R2 2016 SP1 (2016.2.607) is out and brings with it a lot of improvements. You can find below a short list that highlights some of the most valuable problems we have updated and enhanced with this release:

  • Close the predefined RadAlert, RadConfirm and RadPrompt popups with the Escape key
  • Cells on the last row in RadGrid cannot be selected using DragToSelect cells, if cursor runs out of the grid during the selection
  • Using RadEditor's ToolsFile property from the markup disregards Lightweight rendering configured from the web.config
  • RadEditor's TrackChanges does not track typing of !, #, $, %, & characters
  • Title of decorated checkboxes by RadFormDecorator is lost in FireFox and IE

You can quickly go through the complete list of fixes in the Release Notes.

Stability Trends

We do understand how stability impacts your development and we always strive to significantly reduce bugs, to avoid regressions and breaking changes. That's why I want to share with you the bug reduction progress from 2015 to now for three of the most popular components in the following chart:

Stability Improvement Trends for Top Controls

Important Resources

You can download the latest trial build here, as well as play with the Live Demos and read the Documentation.

Upgrading Instructions

The blog post, Upgrade Your Telerik ASP.NET Controls in 6 Easy Steps, will guide you through the update process and help you troubleshoot any problems that pop up.

Roadmap Plans

I also want to inform you that the Product Roadmap for R3'16 is ready. We're about to update the Roadmap page and will post a blog on the topic pretty soon. Stay tuned!

Share Your Thoughts?

If you have any questions, feedback or just want to discuss a feature request, do not hesitate to write in the comments section below, in the feedback portal or directly to me at

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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