The Widget Popup Is Offset Incorrectly in Internet Explorer

Environment

Product	Progress® Kendo UI® for jQuery
Kendo Version	2017.2.621

Description 

When Kendo UI is used with jQuery 1.12.0 or 2.2.0, some issues with the popup positioning occur. The popup is offset incorrectly when the page is scrolled in Internet Explorer.

Cause

The cause for this issue is a bug in the aforementioned jQuery versions.

Solution

According to jQuery's bug tracker, the issue has been addressed. For more details, refer to https://github.com/telerik/kendo-ui-core/issues/1375.