NEWS

PulseAudio 9.0

Changes at a glance:

 * Automatic routing improvements
 * Beamforming and various other new features in the WebRTC echo canceller
 * Various improvements in module-role-cork and module-role-ducking
 * LFE remixing disabled by default
 * memfd-backed shared memory transport
 * Support for sample rates up to 384 kHz
 * webrtc-audio-processing dependency minimum version bumped to 0.2
 * Changed the C standard from C99 to C11.

Detailed change log:

  http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/9.0

Contributors

  Ahmed S. Darwish
  Alexander E. Patrakov
  Arun Raghavan
  Barun Kumar Singh
  David Henningsson
  Deepak Srivastava
  Gabor Kelemen
  Georg Chini
  Jeremy Huddleston Sequoia
  Jonathan Perkin
  Juho Hämäläinen
  Jungsup Lee
  Kamil Rytarowski
  Marcin Lewandowski
  Milo Casagrande
  Muhammet Kara
  Nazar Mokrynskyi
  Peter Meerwald
  Piotr Drąg
  Sachin Kumar Chauhan
  Sangchul Lee
  Tanu Kaskinen
  YunQiang Su


PulseAudio 8.0

Changes at a glance:

 * Automatic routing more likely to change profile
 * OS X and NetBSD support improvements
 * Systemd journal logging for clients
 * New LFE balance programming interface
 * Module-dbus-protocol improvements
 * More flexible configuration file handling
 * pulsecore-8.0.so moved to a private directory
 * New script for measuring memory consumption
 * Various bug fixes and small improvements

Detailed change log:

  http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/8.0

Contributors

  Ahmed S. Darwish
  Alexander E. Patrakov
  Andrey Semashev
  Arun Raghavan
  David Henningsson
  Deepak Srivastava
  Felipe Sateler
  Georg Chini
  Jason Gerecke
  John Horan
  Juho Hämäläinen
  Julien Isorce
  Kamil Rytarowski
  KimJeongYeon
  Kiran Krishnappa
  Lev Melnikovsky
  Manish Sogi
  Mihai Moldovan
  Mingye Wang
  Nazar Mokrynskyi
  Peter Mattern
  Peter Meerwald
  Pierre Ossman
  Ross Burton
  Shawn Walker
  Takashi Iwai
  Tanu Kaskinen
  Thomas Petazzoni
  Yuri Chornoivan
  Zbigniew Kempczyński
  jungsup lee


PulseAudio 7.0

Changes at a glance:

  * LFE channel synthesis with low-pass filtering
  * New libsoxr based resamplers
  * Socket activation support for TCP
  * The "srbchannel" IPC mechanism enabled by default
  * More flexible jack detection support when using UCM
  * Exiting due to SIGTERM isn't considered a failure
  * Better support for Creative SoundBlaster Omni Surround 5.1

Detailed change log:

  http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/7.0

Contributors:

  Ahmed S. Darwish
  Alexander E. Patrakov
  Andrey Semashev
  Andrey Zholos
  Arun Raghavan
  Cédric Valmary
  David Henningsson
  David Herrmann
  Deepak Srivastava
  Dušan Kazik
  Felipe Sateler
  Hui Wang
  Jaska Uimonen
  Juho Hämäläinen
  Manish Sogi
  Michael Cree
  Milo Casagrande
  Muhammet Kara
  Nazar Mokrynskyi
  Paul Menzel
  Peter Meerwald
  Pierre Ossman
  Piotr Drąg
  René J. V. Bertin
  Sagar Nageshmurthy
  Shawn Walker
  Sukesh Adiga
  Takashi Sakamoto
  Tanu Kaskinen
  Ville Skyttä
  Wim Taymans
  Yuri Chornoivan
  Zavadovsky Yan


PulseAudio 6.0

Changes at a glance:

  * Bluez 5 HSP (headset profile) support, both with and without oFono
  * SystemD socket activation support
  * Better support for multichannel and 2.1 profiles
  * Protocol optimisations
  * Remap optimisations
  * Lots of other enhancements, bug fixes, and documenation and i18n updates

Detailed change log:

  http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/6.0

Contributors:

  Alexander Couzens
  Alexander E. Patrakov
  Alexander Kurtz
  Alexander Potashev
  Andrey Semashev
  Arun Raghavan
  Bradley Broom
  Cheng-Chia Tseng
  Colin Guthrie
  David Henningsson
  Dimitris Spingos
  Dušan Kazik
  Evan Nemerson
  Felipe Sateler
  Georg Chini
  Hemanth Meenakshisundaram
  Hui Wang
  James Bunton
  Jason Newton
  Javier Jardón
  Joe Marcus Clarke
  Josef Andersson
  João Paulo Rechi Vita
  Juho Hämäläinen
  kozdincer
  Luiz Augusto von Dentz
  Lukas Peleska
  Lukasz Marek
  Mauro Guerrera
  Michał Górny
  Niels Ole Salscheider
  Pali Rohár
  Parin Porecha
  Pete Beardmore
  Peter Meerwald
  Peter Ujfalusi
  Pierre Ossman
  Piotr Drąg
  poljar (Damir Jelić)
  Rafael Ferreira
  Rex Dieter
  Ricardo Salveti de Araujo
  Sajeesh Sidharthan
  Sjoerd Simons
  Tanu Kaskinen
  Wim Taymans
  Yuri Chornoivan


PulseAudio 5.0

Changes at a glance:

  * BlueZ 5 support (A2DP only)
  * Reimplementation of the tunnel modules
  * Native log target support for systemd-journal
  * Resampler refactoring
  * --monitor-stream option for parecord and parec
  * "latency_msec" argument for module-rtp-recv
  * "inhibit_auto_suspend" argument for module-rtp-send
  * "auto" argument for module-tunnel-sink and module-tunnel-source
  * Removed module-bluetooth-proximity
  * Jack detection for line out
  * Laptop internal surround speaker volume support
  * Improved float->s16 and s16->float sample conversion for ARM NEON
  * "Available" flag for card profiles
  * Removed module-dbus-protocol from the default configuration
  * Lots of other enhancements, bug fixes, and documenation and i18n updates

Detailed change log:

  http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/5.0

Contributors:

  Alexander Couzens
  Alexander E. Patrakov
  Alexander Potashev
  Anton Lundin
  Arun Raghavan
  Ben Brewer
  Cheng-Chia Tseng
  Colin Guthrie
  Damir Jelić
  Daniel Albers
  David Henningsson
  Dominique Leuenberger
  Héctor Martín
  Ismo Puustinen
  Jan Alexander Steffens
  Javier Jardón
  João Paulo Rechi Vita
  Juho Hämäläinen
  Kenneth Perry
  Kerrick Staley
  Kiran Krishnappa
  Koop Mast
  Lars-Peter Clausen
  Laurentiu Nicola
  Luiz Augusto von Dentz
  Magnus Ekhall
  Mikel Astiz
  Mitchell Fang
  Nikolay Amiantov
  Parin Porecha
  Peter Meerwald
  Pierre Ossman
  Piotr Drąg
  Rafael Ferreira
  Ryan Lortie
  Scott Reeves
  Shuai Fan
  Stefan Sperling
  Tanu Kaskinen
  Wim Taymans
  Yuri Chornoivan
  victory


PulseAudio 4.0

Changes at a glance:

  * Better handling of low latency requests
  * Optimisations while mixing (generic, ARM NEON)
  * Default resampler is now speex-float-1 (lower CPU usage)
  * Major Bluetooth refactoring for better reliability and easier maintenance
  * Fixes for graceful hand-off to/from JACK
  * New module to apply ducking based on stream roles
  * Echo canceller infrastructure fixes
  * Bash and zsh completion for command line tools
  * Solaris and OS X fixes
  * Lots of other enhancements, bug fixes, and documenation and i18n updates

Detailed change log:

  http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/4.0

Contributors:

  Akihiro Tsukada
  Albert Zeyer
  Arun Raghavan
  Christoph Gysin
  David Henningsson
  Flavio Ceolin
  Jarkko Suontausta
  Javier Jardón
  João Paulo Rechi Vita
  Jyri Sarha
  Luiz Augusto von Dentz
  Maarten Lankhorst
  Marc-Antoine Perennou
  Martin Pitt
  Matěj Laitl
  Mikel Astiz
  Paul Meng
  Peter Meerwald
  Peter Nelson
  Piotr Drąg
  poljar (Damir Jelić)
  Robin H. Johnson
  Stefan Huber
  Ștefan Săftescu
  Tanu Kaskinen
  Vadim Troshchinskiy
  Wang Xingchao
  Yuri Chornoivan

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Change logs for previous versions can be seen at:

  http://www.freedesktop.org/wiki/Software/PulseAudio/Notes