The difference between the controls version is almost 2 years which means that there could be introduced some changes to affect this appearance. However, we are actually not aware of such an issue.
You can check the following article for design-time related questions:
And refer to the Release History for a list of the improvements:
Hope this helps. If you have different requirements or further instructions, please elaborate on your specific scenario and send us sample screenshots or video demonstrating the problematic behavior.
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