Hi Anthony Ortiz,
Thank you for contacting Telerik Support.
Unfortunately, I could not reproduce the problem you have with DatePicker, placed inside of unpinned panel. It will be great If you could send me a sample project to look at it.
About auto-hide behavior of unpinned panel - an unpinned panel will auto-hide when another element had the focus and when mouse cursor is out of hit area of the panel. Both conditions must be met.
I hope this information helps. I will be glad to assist you further.
All the best,
the Telerik team
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