It appears that MAtrix and Tables have incosistent application of gridline thickness. The grid in the matrix below should be 1 accross the table but it clearly appears to have at least two different ...
Hi robyfauvess
The feedback from the PG team was "It's a rendering artifact from zooming in or out. If a one pixel gridline is zoomed at 150%, then it's now 1.5 pixels wide, which may render on 1 or 2 physical pixels on the monitor."
It is recommended that users can reduce the severity of this effect by increasing the thickness of the gridlines.
Best Regards,
Community Support Team _ Ailsa Tao