NEWS

ver 0.24 (not yet released)
* protocol
  - new command "searchcount" (case-insensitive "count")
  - "playlistfind"/"playlistsearch" have "sort" and "window" parameters
  - allow range in "playlistmove"
  - "save" can append to or replace an existing playlist
  - filter "prio" (for "playlistfind"/"playlistsearch")
  - limit "player" idle events to the current partition
  - operator "starts_with"
  - show PCRE support in "config" response
  - apply Unicode normalization to case-insensitive filter expressions
  - stickers on playlists and some tag types
  - new commands "stickernames", "stickertypes", "stickernamestypes", "playlistlength", "searchplaylist", "protocol"
  - new "search"/"find" filter "added-since"
  - allow range in listplaylist and listplaylistinfo
  - "sticker find" supports sort and window parameter and new sticker compare operators "eq", "lt", "gt", "contains" and "starts_with"
  - consume only idle flags that were subscribed to
  - volume command is no longer deprecated
  - new "available" and "reset" subcommands for tagtypes
  - searching stored playlists respond now with song position
* database
  - attribute "added" shows when each song was added to the database
  - fix integer overflows with 64-bit inode numbers
  - proxy: require MPD 0.21 or later
  - proxy: require libmpdclient 2.15 or later
* archive
  - add option to disable archive plugins in mpd.conf
* storage
  - curl: optimize database update
  - nfs: require libnfs 4.0 or later
  - nfs: support libnfs 6 (API version 2)
  - nfs: support libnfs URL arguments
* input
  - alsa: limit ALSA buffer time to 2 seconds
  - alsa: set up a channel map
  - alsa: support the alsa-lib 1.2.11 API
  - alsa: add option "close_on_pause"
  - curl: add "connect_timeout" configuration
* decoder
  - ffmpeg: require FFmpeg 4.0 or later
  - ffmpeg: query supported demuxers at runtime
  - hybrid_dsd: remove
  - mpg123: prefer over "mad"
  - mpg123: support streaming
  - opus: implement bitrate calculation
  - sidplay: require libsidplayfp (drop support for the original sidplay)
  - wavpack: require libwavpack version 5
  - fix MixRamp bug
* filter
  - ffmpeg: fix for filters producing no output
* resampler
  - soxr: require libsoxr 0.1.2 or later
* player
  - add option "mixramp_analyzer" to scan MixRamp tags on-the-fly
  - "one-shot" consume mode
* tags
  - new tags "TitleSort", "Mood", "ShowMovement"
* output
  - add option "always_off"
  - alsa: require alsa-lib 1.1 or later
  - pipewire: map tags "Date" and "Comment"
* switch to C++20
  - GCC 10 or clang 11 (or newer) recommended
* static partition configuration
* Windows
  - build with libsamplerate
  - remove JACK DLL support
* remove Haiku support
* remove macOS support
* remove Boost dependency
* require libfmt 9 or later
* documentation: switch to sphinx-rtd-theme
* require Meson 1.0

ver 0.23.15 (2023/12/20)
* decoder
  - ffmpeg: fix build failure with FFmpeg 6.1
* output
  - alsa: limit buffer time to 2 seconds

ver 0.23.14 (2023/10/08)
* decoder
  - flac: fix scanning files with non-ASCII names on Windows
  - mad: fix calculation of LAME peak values
* mixer
  - wasapi: fix problem setting volume
* more libfmt 10 fixes
* fix auto-detected systemd unit directory
* Android
  - require Android 7 or newer

ver 0.23.13 (2023/05/22)
* input
  - curl: fix busy loop after connection failed
  - curl: hide "404" log messages for non-existent ".mpdignore" files
* archive
  - zzip: fix crash bug
* database
  - simple: reveal hidden songs after deleting containing CUE
* decoder
  - ffmpeg: reorder to a lower priority than "gme"
  - gme: require GME 0.6 or later
* output
  - pipewire: fix corruption bug due to missing lock
* Linux
  - shut down if parent process dies in --no-daemon mode
  - determine systemd unit directories via pkg-config
* support libfmt 10

ver 0.23.12 (2023/01/17)
* input
  - curl: require CURL 7.55.0 or later
* decoder
  - mad: fix integer underflow with very small files
* tags
  - fix crash bug due to race condition
* output
  - pipewire: adjust to PipeWire 0.3.64 API change
* fix build failures with GCC 13

ver 0.23.11 (2022/11/28)
* database
  - simple: move default database to ~/.cache/mpd/db from ~/.cache/mpd.db
  - simple: default "cache_directory" to ~/.cache/mpd/mounts
* macOS: fix build failure "no archive members specified"
* Windows
  - fix crash bug (stack buffer overflow) after I/O errors
  - fix path traversal bug because backslash was allowed in playlist names
* Android/Windows
  - update OpenSSL to 3.0.7
  - re-enable CURL's verbose error strings

ver 0.23.10 (2022/10/14)
* storage
  - curl: fix file time stamps
* decoder
  - ffmpeg: fix libfmt 9 compiler warning
* encoder
  - flac: fix failure when libFLAC is built without Ogg support
* output
  - alsa: fix crash bug
* Windows
  - log to stdout by default, don't require "log_file" setting

ver 0.23.9 (2022/08/18)
* input
  - cdio_paranoia: add options "mode" and "skip"
* decoder
  - ffmpeg: support FFmpeg 5.1
* filter
  - replay gain: fix delayed volume display with handler=mixer
* output
  - pipewire: set app icon
* fix bogus volume levels with multiple partitions
* improve iconv detection
* macOS: fix macOS 10 build problem (0.23.8 regression)
* Android
  - load mpd.conf from app data directory

ver 0.23.8 (2022/07/09)
* storage
  - curl: fix crash if web server does not understand WebDAV
* input
  - cdio_paranoia: fix crash if no drive was found
  - cdio_paranoia: faster cancellation
  - cdio_paranoia: don't scan for replay gain tags
  - pipewire: fix playback of very short tracks
  - pipewire: drop all buffers before manual song change
  - pipewire: fix stuttering after manual song change
  - snapcast: fix busy loop while paused
  - snapcast: fix stuttering after resuming playback
* mixer
  - better error messages
  - alsa: fix setting volume before playback starts
  - pipewire: fix crash bug
  - pipewire: fix volume change events with PipeWire 0.3.53
  - pipewire: don't force initial volume=100%
* support libfmt 9

ver 0.23.7 (2022/05/09)
* database
  - upnp: support pupnp 1.14
* decoder
  - ffmpeg: fix HLS seeking
  - opus: fix missing song length on high-latency files
* output
  - shout: require at least libshout 2.4.0
* mixer
  - pipewire: fix volume restore
  - software: update volume of disabled outputs
* support libiconv

ver 0.23.6 (2022/03/14)
* protocol
  - support filename "cover.webp" for "albumart" command
  - support "readcomments" and "readpicture" on CUE tracks
* decoder
  - ffmpeg: fix end-of-file check (update stuck at empty files)
  - opus: fix "readpicture" on Opus files
* output
  - pipewire: fix crash bug if setting volume before playback starts
  - wasapi: fix resume after pause

ver 0.23.5 (2021/12/01)
* protocol
  - support relative offsets for "searchadd"
  - fix "searchaddpl" bug (bogus error "Bad position")
* database
  - upnp: fix crash bug
* tags
  - fix MixRamp support
* migrate to PCRE2
* GCC 12 build fixes

ver 0.23.4 (2021/11/11)
* protocol
  - add optional position parameter to "searchaddpl"
* decoder
  - ffmpeg: support libavcodec 59
* output
  - alsa: add option "thesycon_dsd_workaround" to work around device bug
* fix crash on debug builds if startup fails
* systemd
  - remove "RuntimeDirectory" directive because it caused problems
  - ignore the "pid_file" setting if started as systemd service
* Windows
  - enable the "openmpt" decoder plugin

ver 0.23.3 (2021/10/31)
* protocol
  - add optional position parameter to "add" and "playlistadd"
  - allow range in "playlistdelete"
* database
  - fix scanning files with question mark in the name
  - inotify: fix use-after-free bug
* output
  - alsa: add option "stop_dsd_silence" to work around DSD DAC noise
* macOS: fix libfmt related build failure
* systemd: add "RuntimeDirectory" directive

ver 0.23.2 (2021/10/22)
* protocol
  - fix "albumart" timeout bug
* input
  - nfs: fix playback bug
* output
  - pipewire: send artist and title to PipeWire
  - pipewire: DSD support
* neighbor
  - mention failed plugin name in error message
* player
  - fix cross-fade regression
* fix crash with libfmt versions older than 7

ver 0.23.1 (2021/10/19)
* protocol
  - use decimal notation instead of scientific notation
  - "load" supports relative positions
* output
  - emit "mixer" idle event when replay gain changes volume
  - pipewire: emit "mixer" idle events on external volume change
  - pipewire: attempt to change the graph sample rate
  - snapcast: fix time stamp bug which caused "Failed to get chunk"
* fix libfmt linker problems
* fix broken password authentication

ver 0.23 (2021/10/14)
* protocol
  - new command "getvol"
  - show the audio format in "playlistinfo"
  - support "listfiles" with arbitrary storage plugins
  - support relative positions in "addid"
  - fix relative positions in "move" and "moveid"
  - add "position" parameter to "findadd" and "searchadd"
  - add position parameter to "load"
* database
  - proxy: require MPD 0.20 or later
  - proxy: require libmpdclient 2.11 or later
  - proxy: split search into chunks to avoid exceeding the output buffer
  - simple: add option to hide CUE target songs
  - upnp: support libnpupnp instead of libupnp
* archive
  - zzip, iso9660: ignore file names which are invalid UTF-8
* decoder
  - openmpt: new plugin
  - wavpack: fix WVC file support
* player
  - do not cross-fade songs shorter than 20 seconds
* output
  - oss: support DSD over PCM
  - pipewire: new plugin
  - snapcast: new plugin
* tags
  - new tags "ComposerSort", "Ensemble", "Movement", "MovementNumber", and "Location"
* split permission "player" from "control"
* add option "host_permissions"
* new build-time dependency: libfmt

ver 0.22.11 (2021/08/24)
* protocol
  - fix "albumart" crash
* filter
  - ffmpeg: pass "channel_layout" instead of "channels" to buffersrc
  - ffmpeg: fix "av_buffersink_get_frame() failed: Resource temporarily unavailable"
  - ffmpeg: support double-precision samples (by converting to single precision)
* Android
  - build with NDK r23
  - playlist_directory defaults to "/sdcard/Android/data/org.musicpd/files/playlists"

ver 0.22.10 (2021/08/06)
* protocol
  - support "albumart" for virtual tracks in CUE sheets
* database
  - simple: fix crash bug
  - simple: fix absolute paths in CUE "as_directory" entries
  - simple: prune CUE entries from database for non-existent songs
* input
  - curl: fix crash bug after stream with Icy metadata was closed by peer
  - tidal: remove defunct unmaintained plugin
* tags
  - fix crash caused by bug in TagBuilder and a few potential reference leaks
* output
  - httpd: fix missing tag after seeking into a new song
  - oss: fix channel order of multi-channel files
* mixer
  - alsa: fix yet more rounding errors

ver 0.22.9 (2021/06/23)
* database
  - simple: load all .mpdignore files of all parent directories
* tags
  - fix "readcomments" and "readpicture" on remote files with ID3 tags
* decoder
  - ffmpeg: support the tags "sort_album", "album-sort", "artist-sort"
  - ffmpeg: fix build failure with FFmpeg 3.4
* Android
  - fix auto-start on boot in Android 8 or later
* Windows
  - fix build failure with SQLite

ver 0.22.8 (2021/05/22)
* fix crash bug in "albumart" command (0.22.7 regression)

ver 0.22.7 (2021/05/19)
* protocol
  - don't use glibc extension to parse time stamps
  - optimize the "albumart" command
* input
  - curl: send user/password in the first request, save one roundtrip
* decoder
  - ffmpeg: fix build problem with FFmpeg 3.4
  - gme: support RSN files
* storage
  - curl: don't use glibc extension
* database
  - simple: fix database corruption bug
* output
  - fix crash when pausing with multiple partitions
  - jack: enable on Windows
  - httpd: send header "Access-Control-Allow-Origin: *"
  - wasapi: add algorithm for finding usable audio format
  - wasapi: use default device only if none was configured
  - wasapi: add DoP support

ver 0.22.6 (2021/02/16)
* fix missing tags on songs in queue

ver 0.22.5 (2021/02/15)
* protocol
  - error for malformed ranges instead of ignoring silently
  - better error message for open-ended range with "move"
* database
  - simple: fix missing CUE sheet metadata in "addid" command
* tags
  - id: translate TPE3 to Conductor, not Performer
* archive
  - iso9660: another fix for unaligned reads
* output
  - httpd: error handling on Windows improved
  - pulse: fix deadlock with "always_on"
* Windows:
  - enable https:// support (via Schannel)
* Android
  - work around "Permission denied" on mpd.conf

ver 0.22.4 (2021/01/21)
* protocol
  - add command "binarylimit" to allow larger chunk sizes
  - fix "readpicture" on 32 bit machines
  - show duration and tags of songs in virtual playlist (CUE) folders
* storage
  - curl: fix several WebDAV protocol bugs
* decoder
  - dsdiff: apply padding to odd-sized chunks
* filter
  - ffmpeg: detect the output sample format
* output
  - moveoutput: fix always_on and tag lost on move
* Android
  - enable https:// support (via OpenSSL)

ver 0.22.3 (2020/11/06)
* playlist
  - add option "as_directory", making CUE file expansion optional
* storage
  - curl: fix crash bug
* filter
  - fix garbage after "Audio format not supported by filter" message
  - ffmpeg: support planar output
  - ffmpeg: support sample formats other than 16 bit

ver 0.22.2 (2020/10/28)
* database
  - simple: purge songs and virtual directories for unavailable plugins
    on update
* input
  - qobuz/tidal: fix protocol errors due to newlines in error messages
  - smbclient: disable by default due to libsmbclient crash bug
* playlist
  - soundcloud: fix protocol errors due to newlines in error messages
* state_file: save on shutdown

ver 0.22.1 (2020/10/17)
* decoder
  - opus: apply the OpusHead output gain even if there is no EBU R128 tag
  - opus: fix track/album ReplayGain fallback
* output
  - alsa: don't deadlock when the ALSA driver is buggy
  - jack, pulse: reduce the delay when stopping or pausing playback
* playlist
  - cue: fix two crash bugs
* state_file: fix the state_file_interval setting

ver 0.22 (2020/09/23)
* protocol
  - "findadd"/"searchadd"/"searchaddpl" support the "sort" and
    "window" parameters
  - add command "readpicture" to download embedded pictures
  - command "moveoutput" moves an output between partitions
  - command "delpartition" deletes a partition
  - show partition name in "status" response
* tags
  - new tags "Grouping" (for ID3 "TIT1"), "Work" and "Conductor"
* input
  - curl: support "charset" parameter in URI fragment
  - ffmpeg: allow partial reads
  - io_uring: new plugin for local files on Linux (using liburing)
  - smbclient: close unused SMB/CIFS connections
* database
  - upnp: drop support for libupnp versions older than 1.8
* playlist
  - cue: integrate contents in database
* decoder
  - ffmpeg: support RTSP
  - mad: remove option "gapless", always do gapless
  - sidplay: add option "default_genre"
  - sidplay: map SID name field to "Album" tag
  - sidplay: add support for new song length format with libsidplayfp 2.0
  - vorbis, opus: improve seeking accuracy
* playlist
  - flac: support reading CUE sheets from remote FLAC files
* filter
  - ffmpeg: new plugin based on FFmpeg's libavfilter library
  - hdcd: new plugin based on FFmpeg's "af_hdcd" for HDCD playback
  - volume: convert S16 to S24 to preserve quality and reduce dithering noise
  - dsd: add integer-only DSD to PCM converter
* output
  - jack: add option "auto_destination_ports"
  - jack: report error details
  - pulse: add option "media_role"
  - solaris: support S8 and S32
* lower the real-time priority from 50 to 40
* switch to C++17
  - GCC 8 or clang 5 (or newer) recommended

ver 0.21.26 (2020/09/21)
* database
  - inotify: obey ".mpdignore" files
* output
  - osx: fix crash bug
  - sles: support floating point samples
* archive
  - bzip2: fix crash on corrupt bzip2 file
  - bzip2: flush output at end of input file
  - iso9660: fix unaligned reads
  - iso9660: support seeking
  - zzip: fix crash on corrupt ZIP file
* decoder
  - ffmpeg: remove "rtsp://" from the list of supported protocols
  - ffmpeg: add "hls+http://" to the list of supported protocols
  - opus: support the gain value from the Opus header
  - sndfile: fix lost samples at end of file
* fix "single" mode bug after resuming playback
* the default log_level is "default", not "info"

ver 0.21.25 (2020/07/06)
* protocol:
  - fix crash when using "rangeid" while playing
* database
  - simple: automatically scan new mounts
  - upnp: fix compatibility with Plex DLNA
* storage
  - fix disappearing mounts after mounting twice
  - udisks: fix reading ".mpdignore"
* input
  - file: detect premature end of file
  - smbclient: don't send credentials to MPD clients
* decoder
  - opus: apply pre-skip and end trimming
  - opus: fix memory leak
  - opus: fix crash bug
  - vorbis: fix crash bug
* output
  - osx: improve sample rate selection
  - osx: fix noise while stopping
* neighbor
  - upnp: fix crash during shutdown
* Windows/Android:
  - fix Boost detection after breaking change in Meson 0.54

ver 0.21.24 (2020/06/10)
* protocol
  - "tagtypes" requires no permissions
* database
  - simple: fix crash when mounting twice
* decoder
  - modplug: fix Windows build failure
  - wildmidi: attempt to detect WildMidi using pkg-config
  - wildmidi: fix Windows build failure
* player
  - don't restart current song if seeking beyond end
* Android
  - enable the decoder plugins GME, ModPlug and WildMidi
  - fix build failure with Android NDK r21
* Windows
  - fix stream playback
  - enable the decoder plugins GME, ModPlug and WildMidi
  - work around Meson bug breaking the Windows build with GCC 10
* fix unit test failure

ver 0.21.23 (2020/04/23)
* protocol
  - add tag fallback for AlbumSort
* storage
  - curl: fix corrupt "href" values in the presence of XML entities
  - curl: unescape "href" values
* input
  - nfs: fix crash bug
  - nfs: fix freeze bug on reconnect
* decoder
  - gme: adapt to API change in the upcoming version 0.7.0
* output
  - alsa: implement channel mapping for 5.0 and 7.0
* player
  - drain outputs at end of song in "single" mode
* Windows
  - fix case insensitive search

ver 0.21.22 (2020/04/02)
* database
  - simple: optimize startup
* input
  - curl: fix streaming errors on Android
* playlist
  - rss: support MIME type application/xml
* mixer
  - android: new mixer plugin for "sles" output
* Android
  - TV support
* Windows
  - fix time zone offset check
* fix build failures with uClibc-ng

ver 0.21.21 (2020/03/19)
* configuration
  - fix bug in "metadata_to_use" setting
* playlist
  - asx, xspf: fix corrupt tags in the presence of XML entities
* archive
  - iso9660: skip empty file names to work around libcdio bug
* decoder
  - gme: ignore empty tags
* output
  - solaris: port to NetBSD
* raise default "max_connections" value to 100

ver 0.21.20 (2020/02/16)
* decoder
  - audiofile, ffmpeg, sndfile: handle MIME type "audio/wav"
  - ffmpeg: fix playback of AIFF and TTA
  - vorbis, opus: fix seeking in small files
* fix backwards seeking on ARM (and other non-x86 CPUs)

ver 0.21.19 (2020/01/17)
* configuration
  - allow overriding top-level settings in includes
* output
  - pulse: obey Pulse's maximum sample rate (fixes DSD128 playback)
* fix build failure with clang 10
* fix build failure with Android NDK r20

ver 0.21.18 (2019/12/24)
* protocol
  - work around Mac OS X bug in the ISO 8601 parser
* output
  - alsa: fix hang bug with ALSA "null" outputs
* storage
  - curl: fix crash bug
* drop support for CURL versions older than 7.32.0
* reduce unnecessary CPU wakeups

ver 0.21.17 (2019/12/16)
* protocol
  - relax the ISO 8601 parser: allow omitting field separators, the
    time of day and the "Z" suffix
* archive
  - zzip: improve error reporting
* outputs
  - jack: mark ports as terminal
  - shout: declare metadata as UTF-8
* fix build failure with -Ddatabase=false

ver 0.21.16 (2019/10/16)
* queue
  - fix relative destination offset when moving a range
* storage
  - curl: request the "resourcetype" property to fix database update
  - curl: URL-encode more paths
  - curl: follow redirects for collections without trailing slash
* update
  - fix crash when music_directory is not a directory
* fix build with iconv() instead of ICU

ver 0.21.15 (2019/09/25)
* decoder
  - dsdiff, dsf: fix displayed bit rate
  - mpcdec: fix bogus ReplayGain values
* output
  - solaris: fix build with glibc 2.30

ver 0.21.14 (2019/08/21)
* decoder
  - sidplay: show track durations in database
  - sidplay: convert tag values from Windows-1252 charset
  - sidplay: strip text from "Date" tag
* player
  - fix crash after song change
  - fix seek position after restarting the decoder
* protocol
  - include command name in error responses

ver 0.21.13 (2019/08/06)
* input
  - cdio_paranoia: require libcdio-paranoia 10.2+0.93+1
* decoder
  - mad: fix crackling sound (0.21.12 regression)
* output
  - jack: improved Windows compatibility

ver 0.21.12 (2019/08/03)
* decoder
  - mad: update bit rate after seeking
  - mad: fix several bugs preventing the plugin from decoding the last frame
  - opus: ignore case in replay gain tag names
  - opus, vorbis: decode the "end of stream" packet
* output
  - jack: fix mono-to-stereo conversion
* player
  - don't restart unseekable song after failed seek attempt
* Windows
  - support backslash in relative URIs loaded from playlists

ver 0.21.11 (2019/07/03)
* input
  - tidal: deprecated because Tidal has changed the protocol
* decoder
  - wildmidi: log error if library initialization fails
* output
  - alsa: fix busy loop while draining
  - alsa: fix missing drain call
  - alsa: improve xrun-avoiding silence generator
  - alsa: log when generating silence due to slow decoder
  - alsa, osx: fix distortions with DSD_U32 and DoP on 32 bit CPUs
* protocol
  - fix "list" with multiple "group" levels

ver 0.21.10 (2019/06/05)
* decoder
  - opus: fix duplicate tags
* output
  - httpd: reject some well-known URIs
* fix crash bug (0.21.9 regression)

ver 0.21.9 (2019/05/20)
* input
  - buffer: fix deadlock bug
* Android
  - fix crash on ARMv7
  - request storage permission on Android 6+
* fix spurious "single" mode bug

ver 0.21.8 (2019/04/23)
* input
  - smbclient: download to buffer instead of throttling transfer
* output
  - httpd: add missing mutex lock
  - httpd: fix use-after-free bug
* playlist
  - soundcloud: fix "Unsupported URI scheme" (0.21.6 regression)
* fix Bonjour bug
* fix build failure with GCC 9
* fix build failure with -Ddatabase=false
* systemd: add user socket unit
* doc: "list file" is deprecated

ver 0.21.7 (2019/04/03)
* input
  - qobuz/tidal: scan tags when loading a playlist
* require Meson 0.49.0 for native libgcrypt-config support
* fix build failure with -Dlocal_socket=false
* Haiku
  - fix build
  - add version info

ver 0.21.6 (2019/03/17)
* protocol
  - allow loading playlists specified as absolute filesystem paths
  - fix negated filter expressions with multiple tag values
  - fix "list" with filter expression
  - omit empty playlist names in "listplaylists"
* input
  - cdio_paranoia: fix build failure due to missing #include
* decoder
  - opus: fix replay gain when there are no other tags
  - opus: fix seeking to beginning of song
  - vorbis: fix Tremor conflict resulting in crash
* output
  - pulse: work around error with unusual channel count
  - osx: fix build failure
* playlist
  - flac: fix use-after-free bug
* support abstract sockets on Linux
* Windows
  - remove the unused libwinpthread-1.dll dependency
* Android
  - enable SLES power saving mode

ver 0.21.5 (2019/02/22)
* protocol
  - fix deadlock in "albumart" command
  - fix "tagtypes disable" command
* database
  - simple: fix assertion failure
  - fix assertion failures with mount points
* storage
  - udisks: fix "AlreadyMounted" error
  - udisks: use relative path from mount URI
  - fix memory leak
* input
  - buffer: fix crash bug when playing remote WAV file
* tags
  - ape: map "Album Artist"
* output
  - shout: add support for TLS
* mixer
  - pulse: add "scale_volume" setting

ver 0.21.4 (2019/01/04)
* database
  - inotify: fix crash bug "terminate called after throwing ..."
  - upnp: implement "list ... group"
* output
  - httpd: declare protocol "HTTP/1.1" instead of "ICY"
* remove libwrap support
* Windows
  - fix "Failed to accept connection: unknown error"
* fix Haiku build

ver 0.21.3 (2018/11/16)
* output
  - alsa: fix crash bug
  - alsa: fix stuttering at start of playback
  - alsa: fix discarded samples at end of song
  - alsa: clear error after reopening device
* log: default to journal if MPD was started as systemd service

ver 0.21.2 (2018/11/12)
* protocol
  - operator "=~" matches a regular expression
  - operator "contains" matches substrings
* decoder
  - ffmpeg: require FFmpeg 3.1 or later
  - ffmpeg: fix broken sound with certain codecs
* output
  - alsa: fix high CPU usage with dmix
  - httpd: fix three crash bugs
* mixer
  - alsa: fix more rounding errors
* fix zlib support

ver 0.21.1 (2018/11/04)
* protocol
  - allow escaping quotes in filter expressions
  - operator "==" never searches substrings in filter expressions
* decoder
  - ffmpeg: fix build failure with non-standard FFmpeg installation path
  - flac: fix linker failure when building without FLAC support
* encoder
  - vorbis: fix linker failure when building without Vorbis decoder
* fix build failure on Linux-PowerPC
* fix build failure on FreeBSD
* eliminate DLL dependencies on Windows
* add warning about buggy Boost version 1.67
* require Meson 0.47.2 because a Meson 0.47.1 bug breaks our build

ver 0.21 (2018/10/31)
* configuration
  - add "include" directive, allows including config files
  - incremental "metadata_to_use" setting
* protocol
  - "tagtypes" can be used to hide tags
  - "find" and "search" can sort
  - "outputs" prints the plugin name
  - "outputset" sets runtime attributes
  - close connection when client sends HTTP request
  - new filter syntax for "find"/"search" etc. with negation
* database
  - simple: scan audio formats
  - proxy: require libmpdclient 2.9
  - proxy: forward `sort` and `window` to server
* player
  - hard-code "buffer_before_play" to 1 second, independent of audio format
  - "one-shot" single mode
* input
  - curl: download to buffer instead of throttling transfer
  - qobuz: new plugin to play Qobuz streams
  - tidal: new plugin to play Tidal streams
* tags
  - new tags "OriginalDate", "MUSICBRAINZ_WORKID"
* decoder
  - ffmpeg: require at least version 11.12
  - gme: try loading m3u sidecar files
  - hybrid_dsd: new decoder plugin
  - mad: move "gapless_mp3_playback" setting to "decoder" block
  - mikmod: require at least version 3.2
  - pcm: support audio/L24 (RFC 3190)
  - sidplay: support basic and kernal rom (libsidplayfp)
* resampler
  - soxr: flush resampler at end of song
* output
  - alsa: non-blocking mode
  - alsa: change "dop" and "allowed_formats" settings at runtime
  - ao: fix crash bug due to partial frames
  - shout: support the Shine encoder plugin
  - sndio: remove support for the broken RoarAudio sndio emulation
  - osx: initial support for DSD over PCM
  - roar: removed
  - httpd_output: support for unix sockets
* mixer
  - sndio: new mixer plugin
* encoder
  - opus: support for sending metadata using ogg stream chaining
* listen on $XDG_RUNTIME_DIR/mpd/socket by default
* append hostname to Zeroconf service name
* systemd watchdog support
* require GCC 6
* build with Meson instead of autotools
* use GTest instead of cppunit

ver 0.20.23 (2018/10/29)
* protocol
  - emit "player" idle event when restarting the current song
* fix broken float to s32 conversion
* new clang crash bug workaround

ver 0.20.22 (2018/10/23)
* protocol
  - add tag fallbacks for AlbumArtistSort, ArtistSort
  - fix empty string filter on fallback tags
  - "count group ..." can print an empty group
  - fix broken command "list ... group"
* storage
  - curl: URL-encode paths
* decoder
  - fluidsynth: adapt to API change in version 2.0
* Android
  - now runs as a service
  - add button to start/stop MPD
  - add option to auto-start on boot
* work around clang bug leading to crash
* install the SVG icon

ver 0.20.21 (2018/08/17)
* database
  - proxy: add "password" setting
  - proxy: support tags "ArtistSort", "AlbumArtistSort", "AlbumSort"
  - simple: allow .mpdignore comments only at start of line
* output
  - httpd: remove broken DLNA support code
* playlist
  - cue: support file type declaration "FLAC" (non-standard)
* URI schemes are case insensitive
* Android, Windows
  - enable the "curl" storage plugin

ver 0.20.20 (2018/05/22)
* protocol
  - fix "modified-since" filter regression
* output
  - pulse: cork stream when paused due to "single" mode
* decoder
  - dsdiff, dsf: support more MIME types
  - dsdiff, dsf: allow 4 MB ID3 tags
  - opus: support R128_ALBUM_GAIN tag
* Android, Windows
  - enable the "proxy" database plugin

ver 0.20.19 (2018/04/26)
* protocol
  - validate absolute seek time, reject negative values
* database
  - proxy: fix "search already in progress" errors
  - proxy: implement "list ... group"
* input
  - mms: fix lockup bug and a crash bug
* decoder
  - ffmpeg: fix av_register_all() deprecation warning (FFmpeg 4.0)
* player
  - fix spurious "Not seekable" error when switching radio streams
* macOS: fix crash bug

ver 0.20.18 (2018/02/24)
* input
  - curl: allow authentication methods other than "Basic"
* decoder
  - flac: improve seeking precision
* fix gapless CUE song transitions
* Android, Windows
  - enable the NFS storage plugin

ver 0.20.17 (2018/02/11)
* output
  - alsa: fix crash bug with 8 channels
* mixer
  - alsa: fix rounding error at volume 0
* fix real-time and idle scheduling with Musl
* Android
  - fix compatibility with Android 4.0

ver 0.20.16 (2018/02/03)
* output
  - pulse: fix crash during auto-detection
* database
  - simple: fix search within mount points
  - upnp: enable IPv6
* archive
  - iso9660: libcdio 2.0 compatibility
* fix crash in debug build on Haiku and other operating systems

ver 0.20.15 (2018/01/05)
* queue: fix crash after seek failure
* resampler
  - soxr: clear internal state after manual song change
* state file
  - make mount point restore errors non-fatal
  - fix crash when restoring mounts with incompatible database plugin
* Android
  - build without Ant
  - fix for SIGSYS crash

ver 0.20.14 (2018/01/01)
* database
  - simple: fix file corruption in the presence of mount points
* archive
  - bz2: fix deadlock
  - reduce lock contention, fixing lots of xrun problems
* fix Solaris build failure

ver 0.20.13 (2017/12/18)
* output
  - osx: set up ring buffer to hold at least 100ms
* mixer
  - alsa: fix rounding errors
* database
  - simple: don't purge mount points on update/rescan
  - simple: fix "mount" bug caused by bad compiler optimization
  - simple: fix "lsinfo" into mount points
  - upnp: work around libupnp 1.6.24 API breakage
* queue: fix spuriously misplaced prioritized songs
* save and restore mountpoints within the state file
* include Windows cross-build script in source tarball
* fix Windows build failures

ver 0.20.12 (2017/11/25)
* database
  - upnp: adapt to libupnp 1.8 API changes
* input
  - cdio_paranoia, ffmpeg, file, smbclient: reduce lock contention,
    fixing lots of xrun problems
  - curl: fix seeking