New Features
- Fade in/out: Supports Play / Pause, Seek, and Manual track change, with separate fade-in and fade-out durations for each
- Replay Gain: Automatically adjusts playback volume based on Replay Gain tags embedded in the audio files, and can also automatically apply track gain (REPLAYGAIN_TRACK_GAIN) or album gain (REPLAYGAIN_ALBUM_GAIN) according to the playing queue