SUMMARY shared-mime-info 1.11 includes 2 MIME types for Zstandard archive, application/zstd (RFC 8478) and application/x-zstd-compressed-tar. When using shared-mime-info 1.11 and above, a Zstandard archive may be identified as application/zstd, and Ark incorrectly reports that no suitable plugin can be found. STEPS TO REPRODUCE 1. Install the latest version (1.12) of shared-mime-info 2. Create a Zstandard archive: tar -c --numeric-owner -f - test_folder/ | zstdmt - > test.tar.zst 3. Open the archive using Ark OBSERVED RESULT Ark returns an error message: "No suitable plugin found. Ark does not seem to support this file type." EXPECTED RESULT Ark should open the archive successfully. SOFTWARE/OS VERSIONS Linux KDE Plasma Version: 5.15.0 KDE Frameworks Version: 5.55.0 shared-mime-info Version: 1.12 zstd Version: 1.3.8
Git commit 91341d05e8f887dd7a30b17191485a64d7af9d78 by Elvis Angelaccio. Committed on 17/02/2019 at 11:11. Pushed by elvisangelaccio into branch 'Applications/18.12'. Fix loading of tar.zst archives We forgot to add the new zstd mimetypes to the workaroud for mimetype detection of tar archives. FIXED-IN: 18.12.3 M +4 -2 kerfuffle/mimetypes.cpp https://commits.kde.org/ark/91341d05e8f887dd7a30b17191485a64d7af9d78