• no fixed resampling to 44100/16, play source quality if possible
• Chromecast: quick start, better quality (48000/16 Opus encoded)
• performance enhancements: Remote and iTunes will load quicker
• alsa sync with variable sample rate, avoiding audible "clicks"
• web UI upgraded to v0.5.6, e.g. play non-library tracks, saving queue
• fix for Pebble mpd client (and possibly others)
• fix issue with some HLS radio stations
• support for https streams
• fix for artwork showing dithered
• ICY metadata in forked-daapd's mp3 stream
• support for Spotify collaborative playlists
• support for Shairport artwork via pipe
• configurable mp3 streaming quality
• json api improvements, e.g. for toggling speakers
• json api/web ui: Relative seeking
• support for some http seeking
• fix for macOS Catalina’s Apple Music