Hi Alexander,
I moved to new version 26.6 and here my results:
Please see short video, are input and out are not same in QGIS ?
Test data(input/output/QGIS)
5902 Gml6 to MapInfoTab.zip (6.2 MB)
Thanks,...5902: Gml to MapInfoTab - Conversion succeeded but input and out...5414: Gml to MpaInfoTab- Conversion succeeded, input and output...