I just started working with the MultiColumnComboBox component, and I immediately noticed that the headers are increasing misaligned with their columns as you move from left to right across the grid.
The demos show a small buffering header over the vertical scrollbar, but that's not present in my implementation.
Is there something I'm missing to have that little buffering header over the scrollbar?
I've included a screenshot of the MultiColumnComboBox grid rendering where you can clearly see the misalignment. The screenshot includes the configuration code, as well.