I just checked, and it seems that the problem reported by me is resolved.

I encountered a different problem as well: When checkboxes are in a list view and some of the list entries are selected, it gets more and more difficult to quickly distinguish between checked and un-checked checkboxes, because the checkmark has the same (blue) color as the cell highlighting / background color.
To illustrate, I took a screenshot of TortoiseHg (Qt application):