See attached screenshot - there's a UI ugly on Macs.
I thought it was because one of them was contained within a widget while others weren't - so I removed the extra widget, but that just reversed the situation :(
I'm thinking that it is a Qt bug and reported it as such.
Reported at https://bugreports.qt-project.org/browse/QTBUG-34604
Migrating issues to Github, please follow the new discussion here: https://github.com/Mudlet/Mudlet/issues/564
This issue needs to be closed and there is no appropriate status, so will set it to "Opinion" just for migration purposes.
Bug watches keep track of this bug in other bug trackers.
I thought it was because one of them was contained within a widget while others weren't - so I removed the extra widget, but that just reversed the situation :(