Hi Alexander,
I moved to new version 26.5 and here my results:
Please see:
Comparison(Left =csv , right -Gdb) through GeoJson format.
image.png (237.9 KB)
Test data(input/output/QGIS)
5334-Csv-Gdb.zip (58.1 KB)
T…...Point, SpatialReference = SpatialReference...HasValue) feature.Geometry = new Point(record.X.Value, record.Y.Value);...