Hello together,
It seems that every line of elements in the "fade area" is displayed in the front:
In fact, you can send elements in foreground to the front, to "rectify" the wrong display of the background elements... but this causes that a 'surface fill' cover the half of e.i. window edges:
(Of course it's an exception to work with elevation and sections in drawing state...)
ARCHICAD for Future
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archicad versions 8-27 | mac os 13 | win 10