WebTransport BYOB readers

Category: Network / Connectivity
Type: Chromium catches up
Status: Enabled by default (Chrome 109)
Intent stage: Shipped

Summary

Support BYOB(bring-your-own-buffer) readers for WebTransport to allow reading into a developer-supplied buffer. BYOB readers can minimize buffer copies, as well as reduce memory allocations.

Motivation

BYOB readers for WebTransport allow more precise memory allocation, minimize buffer copies, and reduce memory allocations.

Standards & signals

Specification: https://www.w3.org/TR/webtransport
Firefox: Positive
Safari: Support
Web developers: No signals
Tracking bug: https://bugs.chromium.org/p/chromium/issues/detail?id=1259886

Samples: https://webrtc.internaut.com/wc/wtSender4

Explainers: https://github.com/w3c/webtransport/issues/35

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