Chromium M69-M85: BWE-related Release Notes

M85: https://groups.google.com/g/discuss-webrtc/c/Qq3nsR2w2HU/m/7WGLPscPBwAJ?pli=1

Bug: VP9 SVC may get stuck sending low resolution

https://bugs.chromium.org/p/webrtc/issues/detail?id=11654

M84: https://groups.google.com/g/discuss-webrtc/c/MRAV4jgHYV0/m/A5X253_ZAQAJ

Bug: Do not include non-Opus audio encoders in bitrate allocation even when audio-twcc has been negotiated

https://bugs.chromium.org/p/webrtc/issues/detail?id=11427

M83: https://groups.google.com/g/discuss-webrtc/c/EieMDYtQ9sg/m/1kPpuKakCQAJ

Feature: Allow setting an absolute max allocation probe bandwidth by config.

https://bugs.chromium.org/p/webrtc/issues/detail?id=11354

Bug: Only audio codecs named "Opus" get bandwidth updates

https://bugs.chromium.org/p/webrtc/issues/detail?id=11332

Bug: All audio encoders must provide an implementation of the AudioEncoder::GetFrameLengthRange() function.

https://bugs.chromium.org/p/webrtc/issues/detail?id=11427

Bug: Transport overhead is sometimes not included in BWE

https://bugs.chromium.org/p/webrtc/issues/detail?id=11359

M81: https://groups.google.com/g/discuss-webrtc/c/a5_zncyPc3Y/m/KQG8NlsVBgAJ

Bug: Padding may not be taking account by bandwidth estimation

https://bugs.chromium.org/p/webrtc/issues/detail?id=11196

M80: https://groups.google.com/g/discuss-webrtc/c/Ozvbd0p7Q1Y/m/TtQyRI1KAgAJ

None

M79: https://groups.google.com/g/discuss-webrtc/c/X8q5Ae9VKco/m/YYty_HWFAQAJ

None

M78: https://groups.google.com/g/discuss-webrtc/c/qbX55tFk1o4/m/KgFA-ZksCwAJ

None

M77: https://groups.google.com/g/discuss-webrtc/c/b1tdwrXKuHI/m/OH7oSL7OBwAJ

Feature: Add config to allow setting sample uncertainty in dependency of ALR flag.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10698

Feature: Logging route changes in RTC event logs.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10614

Feature: Add support to inject the network congestion controller

https://bugs.chromium.org/p/webrtc/issues/detail?id=9155

M76: https://groups.google.com/g/discuss-webrtc/c/Y7TIuNbgP8M/m/UoXP-RuxAwAJ

Feature: Makes send packet information non optional for feedback reports.

https://bugs.chromium.org/p/webrtc/issues/detail?id=9934

Bug: Duplicate calls to OnSentPacket() breaks ALR detection

https://bugs.chromium.org/p/webrtc/issues/detail?id=10564

Bug: Acknowledged bitrate estimate can get stuck at low bandwidth.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10462

Bug: Bandwidth toggles between two estimates in StartUpPhase.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10222

M75: https://groups.google.com/g/discuss-webrtc/c/_jlUbYjv-hQ/m/Wd2mQgpOAgAJ

Makes send packet information non optional for feedback reports.

https://bugs.chromium.org/p/webrtc/issues/detail?id=9934

Unify congestion window and pacing buffer pushbacks.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10081

Include pacing buffer size in congestion window pushback.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10171

Bandwidth toggles between two estimates in StartUpPhase.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10222

PacedSender send to much padding when there are small packets sent

https://bugs.chromium.org/p/webrtc/issues/detail?id=10325

RTT based backoff is not capped below.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10368

Add histograms to bandwidth probing code

https://bugs.chromium.org/p/webrtc/issues/detail?id=10413

Acknowledged bitrate estimate can get stuck at low bandwidth.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10462

Duplicate calls to OnSentPacket() breaks ALR detection

https://bugs.chromium.org/p/webrtc/issues/detail?id=10564

M74: https://groups.google.com/g/discuss-webrtc/c/cXEtXIIYrQs/m/CCdjS8TRAQAJ

Feature: Probe controller should cap all probes at max allocated bitrate

https://bugs.chromium.org/p/webrtc/issues/detail?id=10070

Bug: RttBackoff misfires if TWCC-stamped sending ceases.

https://bugs.chromium.org/p/webrtc/issues/detail?id=10290

M73: https://groups.google.com/g/discuss-webrtc/c/l0gc3RjBhc0/m/dvFBXiO8AgAJ

Feature: Probe controller should cap all probes at max allocated bitrate

https://bugs.chromium.org/p/webrtc/issues/detail?id=10070

M72: https://groups.google.com/g/discuss-webrtc/c/3h4y0fimHwg/m/Bt2MHLC7DwAJ

Feature: fake_network_pipe counts only buffer overflows as loss.

https://bugs.chromium.org/p/webrtc/issues/detail?id=9904

Feature: Add unacknowledged but allocated traffic to bandwidth estimate.

https://bugs.chromium.org/p/webrtc/issues/detail?id=9796

Feature: Adaptive loss-backoff thresholds

https://bugs.chromium.org/p/webrtc/issues/detail?id=10068

M71: https://groups.google.com/g/discuss-webrtc/c/HUpIxlDlkSE/m/qR1nswqZCwAJ

Feature: Integrate and test WebRTC-adapted BBR.

https://bugs.chromium.org/p/webrtc/issues/detail?id=8415

Feature: Field trial parser

https://bugs.chromium.org/p/webrtc/issues/detail?id=9346

Bug: Log spam when remote sequence number starts high.

https://bugs.chromium.org/p/webrtc/issues/detail?id=9812

M70: https://groups.google.com/g/discuss-webrtc/c/6ImvPjWQvbE/m/XDFav1fbAQAJ

Feature: Implement and evaluate PCC

https://bugs.chromium.org/p/webrtc/issues/detail?id=9434

M69: https://groups.google.com/g/discuss-webrtc/c/i1Td6qhfKlQ/m/ryXly46JCwAJ

Feature: Field trial parser

https://bugs.chromium.org/p/webrtc/issues/detail?id=9346

Bug: AimdRateControl increase send rate when not receiving feedback

https://bugs.chromium.org/p/webrtc/issues/detail?id=9363

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