totem-video-thumbnailer should be doing the previews, do you have totem installed?
** Changed in: nautilus (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1991827 Title: No mp3/mkv thumbnails Status in nautilus package in Ubuntu: New Bug description: .mp3 and .mkv files shown on desktop and in the file explorer, have the default icon (of their respective file type), instead of a thumbnail, as in previous Ubuntu versions (at least 16.04 and before): For mp3 files the embedded image (e.g. album cover), and for mkv files a snapshot of the video. If this is intentional behavior, it would be nice if you could provide a toggle switch or something, giving user the option to view each file's thumbnail (as in 16.04 for example), or keep seeing the default icon. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: nautilus 1:42.2-0ubuntu1 ProcVersionSignature: Ubuntu 5.15.0-48.54-generic 5.15.53 Uname: Linux 5.15.0-48-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.20.11-0ubuntu82.1 Architecture: amd64 CasperMD5CheckMismatches: ./pool/main/l/linux-oem-5.17/linux-oem-5.17-headers-5.17.0-1014_5.17.0-1014.15_all.deb CasperMD5CheckResult: fail CurrentDesktop: ubuntu:GNOME Date: Wed Oct 5 20:13:18 2022 GsettingsChanges: b'org.gnome.nautilus.preferences' b'default-folder-viewer' b"'list-view'" InstallationDate: Installed on 2022-10-03 (2 days ago) InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1) SourcePackage: nautilus UpgradeStatus: No upgrade log present (probably fresh install) usr_lib_nautilus: evince 42.3-0ubuntu2 file-roller 3.42.0-1 nautilus-extension-gnome-terminal 3.44.0-1ubuntu1 nautilus-share 0.7.3-2ubuntu6 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1991827/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp