Hi Alexander,
I moved to new version 26.5 and here my results:
Please see:
Test data(input/output/QGIS)
5436 Gml-Gpx.zip (83.5 KB)
Thanks,...Bug 5446: Gml to Gpx- Conversion succeeded, output in QGIS- Empty...data(input/output/QGIS) 5436 Gml-Gpx.zip (83.5 KB) Thanks, Alexander...