We were able to reproduce the described by you issue and have logged it in our Feedback portal. On the following link you could follow its status and vote for it:
Unfortunately, currently we could not suggest you any workaround. As the issue is caused by our latest changes we will do our best to fix it with our next release.
We aplogize for the inconvenienve the issue might be causing you. Your Telerik points have been updated for the involvement.
If you have any additional questions or concersn regarding Telerik controls, please do not hesitate to contact us.
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