Change Log

Version 0.0.1

XX.XX.2026

🔌 The whole WebRTC API is bound. Every interface, every method, every dictionary: all 154 binding issues of the tracker are done, and the API goes beyond them

🎞 Media processing that not every browser ships yet: MediaStreamTrackProcessor, VideoTrackGenerator and MediaStreamTrackGenerator, with the VideoFrame and AudioData of WebCodecs

🔐 WebRTC Encoded Transform: the encoded frames of senders and receivers in Python with RTCRtpScriptTransform, and end-to-end encryption with SFrame

⚡ libwebrtc M152, pre-built wheels for Linux (x86_64 and aarch64), macOS and Windows, CPython 3.9 – 3.15, free-threaded 3.14t and 3.15t too

🧪 The public API follows the WebIDL of the specifications and runs the original web-platform-tests

📚 Fully reworked docs website: a new theme, guides, examples and the full API reference

What is bound, by specification:

  • WebRTC: RTCPeerConnection, RTCDataChannel, RTCRtpTransceiver, RTCRtpSender, RTCRtpReceiver, RTCDtlsTransport, RTCIceTransport, RTCSctpTransport, RTCDTMFSender, RTCCertificate, RTCIceCandidate, RTCSessionDescription, with every method, attribute, event and dictionary

  • WebRTC Extensions: standalone RTCIceTransport, RTP header encryption, and more

  • WebRTC Statistics: 19 typed stats objects in RTCStatsReport

  • WebRTC Encoded Transform: RTCRtpScriptTransform, RTCEncodedVideoFrame, RTCEncodedAudioFrame, and SFrame (RFC 9605)

  • Media Capture and Streams: MediaStream, MediaStreamTrack with constraints, settings and capabilities, and MediaDevices with a synthetic camera and microphone

  • MediaStreamTrack Insertable Media Processing: MediaStreamTrackProcessor, VideoTrackGenerator, and MediaStreamTrackGenerator

  • WebCodecs: VideoFrame and AudioData

  • Streams: ReadableStream, WritableStream and TransformStream, with piping and async iteration

In numbers: 229 public classes, 50 enums with the string values of the specifications, 18 exceptions named after their DOMException, and the camelCase names of the specifications next to the snake_case ones.

  • Migrate to prebuilt libwebrtc M152, scikit-build-core and single cibuildwheel CI by @MarshalX in #191

  • Split wheel builds per Python version and cache libwebrtc by @MarshalX in #196

  • Add Linux aarch64 wheels by @MarshalX in #207

  • Support free-threaded Python with cp314t and cp315t wheels, add CPython 3.15 by @MarshalX in #232

  • Implement WebRTC spec APIs and event ordering for WPT by @MarshalX in #195

  • Add MediaStreamTrackProcessor, track generators and WebCodecs frames by @MarshalX in #197

  • Align WebIDL dictionaries with the spec as typed models by @MarshalX in #212

  • Align the public API with the WPT WebIDL by @MarshalX in #214

  • Type event handlers per event, add listener management methods by @MarshalX in #215

  • Replace to_async with call_native, drop its timeout by @MarshalX in #206

  • Add the OpenAI GPT-Live voice chat example by @MarshalX in #198

  • Add field trials, connect the GPT-Live example with WARP, skip loopback candidates by @MarshalX

  • Add the Janus streaming example by @MarshalX in #205

  • Run original web-platform-tests through a PythonMonkey shim by @MarshalX in #193

  • Sync tests with web-platform-tests by @MarshalX in #192

  • Compare the public API with the WPT WebIDL by @MarshalX in #211

  • Add Atheris fuzz targets, fix findings by @MarshalX in #204

  • Add strict clang-format and clang-tidy, fix all findings by @MarshalX in #203

  • Enable all ruff rules, fix findings by @MarshalX in #210

  • Type check with Pyrefly at full strictness, fix findings by @MarshalX in #213

  • Run tests on GitHub Actions by @MarshalX in #187

  • Fix wrapper ownership: shared_ptr lifetimes, no factory leaks or dangling observers by @MarshalX in #194

  • Fix the GC deadlock by releasing wrappers off libwebrtc threads by @MarshalX in #199

  • Fix deadlocks, leaks and crashes found by sanitizers and chaos tests by @MarshalX in #200

  • Fix set_parameters hanging when libwebrtc drops the callback by @MarshalX in #208

  • Fix sender and receiver leaks by releasing handlers of ended tracks by @MarshalX in #216

  • Rebuild object lifetime: unreferenced connections, channels and live tracks stay alive while they have handlers or pending work, native threads never run Python, wrappers take no attributes by @MarshalX in #232

  • Fire ended on remote tracks when a connection closes, keep a failed RTCIceTransport for an ICE restart by @MarshalX in #232

  • Fix a cancelled operation of a connection breaking the operations queued before and after it by @MarshalX

  • Fix the docs build with the current sphinx-favicon by @MarshalX, closes #186