QPushButton and QComboBox not properly aligned on macOS

[patrickkidd]

It appears as though QHBoxLayout does not vertically align QPushButtons and QComboBoxes properly on macOS. See the following screenshots where the problem is apparent both in Qt Creator and at run-time in the app.

Thoughts?

[jsulm]

@patrickkidd Which Qt version is it?
Did you try to check for bug reports for such an issue on Qt bug-tracker?

[patrickkidd]

Latest macOS and qt-5.11.0. No dice on bug reports.

[mpergand]

Not new:

Wrong base line alignment for QLabel and QPushButton regarding QLineEdit and QComboBox one.