Thank you for writing.
I managed to reproduce the issue and I have logged it in our feedback portal
. You can track its progress, subscribe for status changes and add your vote/comment to it on the following link - feedback item
. I have also updated your Telerik points
The issue appears to be related with how the animations are running when opening the popup. Until a permanent fix is released please disable them:
I hope this helps. Should you have further questions please do not hesitate to write back.
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