Dark visual effect view not respected in Interface Builder

Number:rdar://32839569 Date Originated:June 18 2017, 5:35 PM
Status:Open Resolved:
Product:Developer Tools Product Version:
Classification:Serious Bug Reproducible:Always

On Xcode 9 beta, adding a dark visual effect view is not longer respected.
A light visual effect view is used instead.


Steps to Reproduce:

From Interface Builder, drag a visual effect view inside another view, and set its appearance to «Vibrant Dark».


Expected Results:

When running the application, the view should be a dark one.


Observed Results:

The view displays as a «Vibrant Light» visual effect view.



Xcode Version 9.0 beta (9M136h)
macOS Version 10.13 Beta (17A264c)



Attached is a project demonstrating the issue.


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