Hallo tomtomtom,
hier mal die ausgelesenen Dateien.
Und hier die Angaben aus dem Infoteil zum Ubuntu:
Ubuntu 20.04.1 LTS
Gnome 3.36.3
Upgrade von 18.04 nach 20.04
cat */.config/mimemaps.list
:~$ cat ~/.config/mimeapps.list
[Added Associations]
image/jpeg=gimp_gimp.desktop;gimp.desktop;rawtherapee.desktop;fotoprint.desktop;masterpdfeditor5.desktop;
text/html=org.gnome.gedit.desktop;bluegriffon.desktop;
application/pdf=gimp_gimp.desktop;evince.desktop;masterpdfeditor5.desktop;
application/x-xpinstall=gnome-software-local-file.desktop;
image/tiff=masterpdfeditor5.desktop;gimp.desktop;gimp_gimp.desktop;evince.desktop;
video/quicktime=mplayer.desktop;org.gnome.Totem.desktop;vlc_vlc.desktop;vlc.desktop;openshot-qt.desktop;blender.desktop;
application/vnd.debian.binary-package=gnome-software-local-file.desktop;
message/rfc822=thunderbird.desktop;
image/png=masterpdfeditor5.desktop;gimp_gimp.desktop;gimp.desktop;
image/x-portable-pixmap=gimp.desktop;
video/ogg=vlc.desktop;vlc_vlc.desktop;
video/x-ogm=vlc.desktop;vlc_vlc.desktop;
video/x-theora+ogg=vlc.desktop;vlc_vlc.desktop;
video/x-theora=vlc.desktop;vlc_vlc.desktop;
video/x-ms-asf=vlc.desktop;vlc_vlc.desktop;
video/x-ms-asf-plugin=vlc.desktop;vlc_vlc.desktop;
video/x-ms-asx=vlc.desktop;vlc_vlc.desktop;
video/x-ms-wm=vlc.desktop;vlc_vlc.desktop;
video/x-ms-wmv=vlc.desktop;vlc_vlc.desktop;
video/x-ms-wmx=vlc.desktop;vlc_vlc.desktop;
video/x-ms-wvx=vlc.desktop;vlc_vlc.desktop;
video/x-msvideo=vlc.desktop;vlc_vlc.desktop;
video/divx=vlc.desktop;vlc_vlc.desktop;
video/msvideo=vlc.desktop;vlc_vlc.desktop;
video/vnd.divx=vlc.desktop;vlc_vlc.desktop;
video/avi=vlc.desktop;vlc_vlc.desktop;
video/x-avi=vlc.desktop;vlc_vlc.desktop;
video/vnd.rn-realvideo=vlc.desktop;vlc_vlc.desktop;
video/mp2t=vlc.desktop;vlc_vlc.desktop;
video/mpeg=vlc.desktop;vlc_vlc.desktop;
video/mpeg-system=vlc.desktop;vlc_vlc.desktop;
video/x-mpeg=vlc.desktop;vlc_vlc.desktop;
video/x-mpeg2=vlc.desktop;vlc_vlc.desktop;
video/x-mpeg-system=vlc.desktop;vlc_vlc.desktop;
video/mp4=vlc_vlc.desktop;vlc.desktop;
video/mp4v-es=vlc.desktop;vlc_vlc.desktop;
video/x-m4v=vlc.desktop;vlc_vlc.desktop;
video/x-matroska=vlc.desktop;vlc_vlc.desktop;
video/webm=vlc.desktop;vlc_vlc.desktop;
video/3gp=vlc.desktop;vlc_vlc.desktop;
video/3gpp=vlc.desktop;vlc_vlc.desktop;
video/3gpp2=vlc.desktop;vlc_vlc.desktop;
video/vnd.mpegurl=vlc.desktop;vlc_vlc.desktop;
video/dv=vlc.desktop;vlc_vlc.desktop;
video/x-anim=vlc.desktop;vlc_vlc.desktop;
video/x-nsv=vlc.desktop;vlc_vlc.desktop;
video/fli=vlc.desktop;vlc_vlc.desktop;
video/flv=vlc.desktop;vlc_vlc.desktop;
video/x-flc=vlc.desktop;vlc_vlc.desktop;
video/x-fli=vlc.desktop;vlc_vlc.desktop;
video/x-flv=vlc.desktop;vlc_vlc.desktop;
application/x-sharedlib=libreoffice-writer.desktop;gedit.desktop;
image/gif=gimp_gimp.desktop;
application/vnd.oasis.opendocument.database=libreoffice6.4-base.desktop;libreoffice6.3-base.desktop;org.gnome.FileRoller.desktop;
model/x.stl-binary=gedit.desktop;
application/json=org.gnome.gedit.desktop;
application/x-trash=org.gnome.gedit.desktop;
application/vnd.tcpdump.pcap=org.gnome.gedit.desktop;
image/webp=gimp_gimp.desktop;org.gnome.gThumb.desktop;
application/x-shellscript=libreoffice6.4-writer.desktop;libreoffice6.4-base.desktop;libreoffice6.4-startcenter.desktop;libreoffice6.4-draw.desktop;libreoffice6.4-calc.desktop;
application/x-compressed-tar=org.gnome.FileRoller.desktop;
application/x-hps-6.3.6-mcf=userapp-Müller Foto-5HPRQ0.desktop;
[Removed Associations]
[Default Applications]
application/pdf=masterpdfeditor5.desktop
video/x-ogm+ogg=vlc_vlc.desktop
video/ogg=vlc_vlc.desktop
video/x-ogm=vlc_vlc.desktop
video/x-theora+ogg=vlc_vlc.desktop
video/x-theora=vlc_vlc.desktop
video/x-ms-asf=vlc_vlc.desktop
video/x-ms-asf-plugin=vlc_vlc.desktop
video/x-ms-asx=vlc_vlc.desktop
video/x-ms-wm=vlc_vlc.desktop
video/x-ms-wmv=vlc_vlc.desktop
video/x-ms-wmx=vlc_vlc.desktop
video/x-ms-wvx=vlc_vlc.desktop
video/x-msvideo=vlc_vlc.desktop
video/divx=vlc_vlc.desktop
video/msvideo=vlc_vlc.desktop
video/vnd.divx=vlc_vlc.desktop
video/avi=vlc_vlc.desktop
video/x-avi=vlc_vlc.desktop
video/vnd.rn-realvideo=vlc_vlc.desktop
video/mp2t=vlc_vlc.desktop
video/mpeg=vlc_vlc.desktop
video/mpeg-system=vlc_vlc.desktop
video/x-mpeg=vlc_vlc.desktop
video/x-mpeg2=vlc_vlc.desktop
video/x-mpeg-system=vlc_vlc.desktop
video/mp4=vlc_vlc.desktop
video/mp4v-es=vlc_vlc.desktop
video/x-m4v=vlc_vlc.desktop
video/quicktime=vlc_vlc.desktop
video/x-matroska=vlc_vlc.desktop
video/webm=vlc_vlc.desktop
video/3gp=vlc_vlc.desktop
video/3gpp=vlc_vlc.desktop
video/3gpp2=vlc_vlc.desktop
video/vnd.mpegurl=vlc_vlc.desktop
video/dv=vlc_vlc.desktop
video/x-anim=vlc_vlc.desktop
video/x-nsv=vlc_vlc.desktop
video/fli=vlc_vlc.desktop
video/flv=vlc_vlc.desktop
video/x-flc=vlc_vlc.desktop
video/x-fli=vlc_vlc.desktop
video/x-flv=vlc_vlc.desktop
application/x-shellscript=libreoffice6.4-calc.desktop
application/x-hps-6.3.6-mcf=userapp-Müller Foto-5HPRQ0.desktop
~$ cat ~/.local/share/applications/defaults.list
~$ cat ~/.local/share/applications/defaults.list
[Default Applications]
application/x-hps-6.3.6-mcf=hps-16523-6.3.6.desktop;hps-3018-6.3.6.desktop
application/x-hps-6.4.3-mcf=hps-16523-6.4.3.desktop;hps-3018-6.4.3.desktop
application/x-hps-6.4.4-mcf=hps-3018-6.4.4.desktop
application/x-hps-7.0.2-mcf=hps-3018-7.0.2.desktop
application/x-hps-7.0.3-mcf=hps-3018-7.0.3.desktop
cat ~/.local/share/applications/mimeapps.list
~$ cat ~/.local/share/applications/mimeapps.list
cat: /home/axel/.local/share/applications/mimeapps.list: Datei oder Verzeichnis nicht gefunden