Changes in version 0.7.8:

• Changing version schema, only 3 numbers (next versions will 0.7.9, 0.7.10...)
• Better Linux integration
• rpm stuff (thanks to oc2pus http://packman.links2linux.org)
• deb stuff
• #2259421, FLAC and OGG: Encoding library name and version
• FLV: version 10 support
• FLV: duration of files without metatags
• MPEG-4: Delay (useful when multiple videos are present)
• Dirac: profiles updated from the latest specification
• MPEG-4: more precise detection of OGG based codecs
• MKV: better newest codecs handling
• MKV: RealVideo/Audio support improvements
• mipsel CPU support
• MPEG-PS: Trying to have a better precision for duration
• WMV: crash with some malformed files
• MPEG-TS: some channel names where not shown
• MPEG Video (version 2): some streams were misdetected as CBR

You can download Mediainfo 0.7.8.0 here.