I am sorry Jackie but the rendering problem seems to be with MGOS because I have no such problem with FDO Toolbox 1.4.0
I have no problem to display 700000 points from MySQL 8.0 (point epsg 3857) in the map of FDO Toolbox. There is no reversal of x and y (area 40 km by 25 km)
<img src="http://osgeo-org.1560.x6.nabble.com/file/t191709/display_ok_mysql80_700000features.jpg" border="0"/>
<br/><hr align="left" width="300" />
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