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‎NEWS

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# PipeWire 1.3.81 (2025-01-23)
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This is the first 1.4 release candidate that is API and ABI
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compatible with previous 1.2.x and 1.0.x releases.
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In addition to all the changes backported to 1.2.x, this release
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also contains some new features:
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## Highlights
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- UMP support was added with MIDI 1.0 and MIDI 2.0 support in the ALSA
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sequencer plugin. By default PipeWire will now use MIDI 2.0 in UMP
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messages to transport MIDI in the graph, with conversions to/from legacy
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MIDI where required. This requires UMP support in the kernel.
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- client-rt.conf is no longer supported. Custom changes made to this
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config should be moved to client.conf. Clients that try to load the
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client-rt.conf will emit a warning and be directed to client.conf
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automatically for backwards compatibility.
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- The module-filter-chain code was moved to a new filter-graph plugin. This
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made it possible to add filter-graph support directly in audioconvert. It
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is now possible to run up to 8 run-time swappable filter-graphs inside
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streams and nodes. This should make it easier to add effects to streams
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and device nodes.
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- Bluetooth support for BAP broadcast links and support for hearing aids
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using ASHA was added.
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- Many more bugfixes and improvements.
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## PipeWire
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- Nodes are now only scheduled when ready to signal the driver.
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- Add slovenian translation. (#4156)
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- Link errors are handled better.
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- The videoadapter is now enabled by default but no videoconverter
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is loaded yet by default.
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- Streams now have support for ProcessLatency.
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- Streams now have a method to emit events.
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- The RequestProcess event and command can now pass around extra
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properties.
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- Local timestamps are now used for logging.
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- client-rt.conf is no longer supported. Custom changes made to this
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config should be moved to client.conf. Clients that try to load the
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client-rt.conf will emit a warning and be directed to cliert.conf
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automatically to preserve backwards compatibility.
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- pw_stream now has an API to return unused buffers.
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## modules
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- module-combine-stream can now mix streams.
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- Links in error are now destroyed by link-factory.
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- The netjack2 driver can now also create streams that autoconnect when
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specified. (#4125)
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- Many updates and bugfixes to the RTP modules.
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- The netjack2 driver can now bind to a custom IP and port pair. (#4144)
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- The loopback module and module-raop have support for ProcessLatency, which
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can be used to query and update the latency.
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- The profiler module can now reduce the sampling rate.
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- The filter-chain was optimized some more.
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- The filter-chain gained some more plugins: param_eq, ebur128, dcblock.
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- Support for fftw based convolver was added.
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- Some module arguments can now be overridden.
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- The VBAN receiver now creates new streams per stream name. (#4400)
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- The RTP SAP module is now smarter with generating new SAP messages.
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- The RTP source can now be paused when no data is received. (#4456)
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## tools
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- pw-cat can now stream most formats from stdin/stdout.
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- pw-profiler has a JSON dump option to dump the raw profiler data.
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- pw-cli now supports unload-module. (#4276)
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## SPA
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- The resampler can precompute some common coeficients now at compile
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time.
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- UMP support was added with MIDI 1.0 and MIDI 2.0 support in the ALSA
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sequencer plugin. By default PipeWire will now use MIDI 2.0 in UMP
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messages to transport MIDI in the graph, with conversions to/from legacy
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MIDI where required.
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- Control types can now be negotiated.
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- Support for writing ALSA bind controls was added.
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- The ALSA sequencer now has better names for the ports.
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- The F32 to S32 conversion now uses 25 bits for an extra bit of
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precision.
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- libcamera controls can now be set in all cases.
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- The videoadapter has been improved and a dummy and ffmpeg based
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videoconverter plugin was added.
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- Negotiation was improved in audioadapter. First a passthrough format
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is tried.
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- Some JSON helper functions were added and some duplicate code removed
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or simplified.
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- Add support for RISC V CPU detection and add many optimizations in
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the audio converters.
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- Add an option to disable ALSA mixer path select. (#4311)
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- Fix a potential bug with the cleanup of the loop queues.
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- ALSA nodes now dynamically adjust the DLL bandwidth based on average
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measured variance.
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- The loop invoke queue was made more efficient and make it possible to
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invoke from multiple threads.
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- The filter-chain code was moved to a new filter-graph plugin.
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- Most function macros are now static inlined and can also be built into a
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libspa.so file. This should improve language bindings.
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- V4l2 clock information was improved.
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- Supported IEC958 codecs are now autodetected via ELD info.
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- Audioconvert was optimized some more.
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- Audioconvert can now include filter-graphs in its processing.
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- webrtc-audio-processing-2 is now supported in AEC.
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- The resampler now reports the delay and subsample delay. Also the
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delay is reported in the samplerate of the input.
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- The ALSA sequencer now handle kernels without UMP support. (#4507)
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## Pulse-server
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- Add quirk to block clients from making record and playback streams.
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- The corked state is now set on stream to always report this state
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correctly to other clients.
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- Readiness notification was added to the pulse server with the
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PIPEWIRE_PULSE_NOTIFICATION_FD environment variable. (#4347)
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- The pulse.cmd config now supports conditions.
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- A bug in clearing the ringbuffer was fixed. (#4464)
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## GStreamer
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- Support for the default devices was added to the deviceprovider. (#4268)
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- The graph clock is now used as the source for the GStreamer clock.
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- The sink now does some rate control.
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## ALSA
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- The ALSA plugin now supports DSD when explicitly enabled.
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## JACK
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- JACK now supports 2 new extension formats for OSC and UMP.
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- JACK clients can receive UMP MIDI1 or MIDI2 messages when using
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the new UMP port format extension.
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- JACK now reports the PipeWire version in the minor/micro/proto.
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- Implement more jackserver functions.
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## Bluetooth
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- Support BAP broadcast links.
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- Support for ASHA was added.
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- Delay reporting in A2DP sources was improved.
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## Examples
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- 2 new examples of pw-stream using spa_ringbuffer were added.
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## Docs
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- Many updates to the man pages.
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- More documentation about thread safety of functions in stream
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and filters. (#4521)
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Older versions:
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# PipeWire 1.2.7 (2024-11-26)
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This is a bugfix release that is API and ABI compatible with the previous
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## Tools
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- Fix pw-dot link labels.
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Older versions:
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# PipeWire 1.2.6 (2024-10-23)
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This is a bugfix release that is API and ABI compatible with the previous
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## Bluetooth
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- Improvements to BAP broadcast code parsing.
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Older versions:
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# PipeWire 1.1.83 (2024-06-17)
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This is the third and hopefully the last 1.2 release candidate that is

‎meson.build

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project('pipewire', ['c' ],
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version : '1.3.0',
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version : '1.3.81',
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license : [ 'MIT', 'LGPL-2.1-or-later', 'GPL-2.0-only' ],
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meson_version : '>= 0.61.1',
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default_options : [ 'warning_level=3',

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