Hi Alexander,
I moved to new version 26.5 and here my results:
Please see:
Comparison(csv-left, right Gdb) through GeoJson
image.png (198.5 KB)
Test data(input/output/QGIS)
5333-Csv-Gdb.zip (61.4 KB)
Thanks,..., POINT (30 10) ) or two numeric columns...Dispose(); gdb.Dispose(); Key points Replace XColumnName / YColumnName...