SYMPTOM:
The circle size is not consistent when an attribute breaks the graph to zone in different widths for Strategy Desktop 10.4 and Strategy Visual Insight 10.4.
Follow the steps below to reproduce the issue in Tutorial project:

CAUSE:
This is a known issue with Strategy Desktop 10.4 and Strategy Visual Insight 10.4.
ACTION:
Currently this issue is still being reviewed for feasibility by our Technology team and it is not scoped for any upcoming scheduled Strategy release.
The Strategy Internal Reference Number for the issue discussed in this technical note is DE49849.