v0.6.0

• add --opus-header-gain option for more control over Opus header gain field

v0.5.2

• support for Opus files
• incremental tagging mode
• add support for "w64" files
• remove some rarely used input backends (FFmpeg and libsndfile should be able to handle anything)
• don't auto upgrade ID3v2 tags to 2.4
• various smaller fixes

Thanks to everyone who contributed!

v0.5.1

Bug fix release:

• Turn off broken ffmpeg plugin for now
• Fix true peak mode

Note that Github's release tar balls don't include submodules.