I also have this problem

I can resize the faceplate and faceplate container from within the faceplate but the border remains unchanged,

I tried toglling visibility on/off to refresh but no luck either

Did u find solution?

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Split from Faceplate dynamic size into popup.

Closed cause question posted twice.

The second thread with the subject Faceplate Popup Window Resizing V18 is published within the conference WinCC Unified Systems.