Hi Alexander,
Here are some conversion that succeeded but in QGIS is not same.
Gpx → Osm
https://app.screencast.com/9BYewaRMFc1SG
Gpx → Gml
https://app.screencast.com/1RsdoDrcUmN3f
Gpx → Gpx
https://app.screencast…...It’s actually correct topoJson file and can be usefull for conversion...It’s actually correct TopoJson file and can be useful for conversion...