I believe that this can be closed. On noble, totem has the following mimetypes in /usr/share/applications/org.gnome.Totem.desktop
MimeType=application/mxf;application/ram;application/sdp;application/vnd.apple.mpegurl;application/vnd.ms- asf;application/vnd.ms-wpl;application/vnd.rn- realmedia;application/vnd.rn-realmedia- vbr;application/x-extension-m4a;application/x-extension- mp4;application/x-flash- video;application/x-matroska;application/x-netshow- channel;application/x-quicktimeplayer;application/x-shorten;image/vnd.rn- realpix;image/x-pict;misc/ultravox;text/x-google-video- pointer;video/3gp;video/3gpp;video/3gpp2;video/dv;video/divx;video/fli;video/flv;video/mp2t;video/mp4;video/mp4v-es;video/mpeg;video/mpeg- system;video/msvideo;video/ogg;video/quicktime;video/vivo;video/vnd.divx;video/vnd.mpegurl;video/vnd.rn- realvideo;video/vnd.vivo;video/webm;video/x-anim;video/x-avi;video/x-flc;video/x-fli;video/x-flic;video/x-flv;video/x-m4v;video/x-matroska;video/x-mjpeg;video/x-mpeg;video/x-mpeg2;video/x-ms- asf;video/x-ms-asf-plugin;video/x-ms-asx;video/x-msvideo;video/x-ms- wm;video/x-ms-wmv;video/x-ms-wmx;video/x-ms- wvx;video/x-nsv;video/x-ogm+ogg;video/x-theora;video/x-theora+ogg;video/x-totem- stream;audio/x-pn- realaudio;application/smil;application/smil+xml;application/x-quicktime- media-link;application/x-smil;text/google-video-pointer;x-content/video- dvd;x-scheme-handler/pnm;x-scheme-handler/mms;x-scheme- handler/net;x-scheme-handler/rtp;x-scheme-handler/rtmp;x-scheme- handler/rtsp;x-scheme-handler/mmsh;x-scheme-handler/uvox;x-scheme- handler/icy;x-scheme-handler/icyx; ** Changed in: totem (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1746426 Title: Totem is not associated with any mime types To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/totem/+bug/1746426/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs