Subj. It seems that there ae tons of bugfixes and new features were added since 2.6.0. I think it worths to update.
Updated in rawhide. I will think about updating it for F11 later.
mkvtoolnix-2.9.8-1.fc11 has been submitted as an update for Fedora 11. http://admin.fedoraproject.org/updates/mkvtoolnix-2.9.8-1.fc11
mkvtoolnix-2.9.8-1.fc11 has been pushed to the Fedora 11 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update mkvtoolnix'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F11/FEDORA-2009-9882
mkvtoolnix-2.9.8-1.fc11 has been pushed to the Fedora 11 stable repository. If problems still persist, please make note of it in this bug report.