# pion/webrtc v4.2.17

- Product: pion/webrtc (https://whatsnew.fyi/product/pion-webrtc)
- Vendor: pion
- Date: 2026-07-17
- Version: v4.2.17
- Original notes: https://github.com/pion/webrtc/releases/tag/v4.2.17
- Permalink: https://whatsnew.fyi/product/pion-webrtc/releases/v4.2.17

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Update module github.com/pion/rtp to v1.10.4
- **changed** — Set the default MTU to 1191
- **changed** — Update module github.com/pion/ice/v4 to v4.3.0
- **fixed** — Fix late assert panic in TestInterceptorNack
- **added** — Expose ICE use-candidate priority setting
- **changed** — Update module github.com/pion/dtls/v3 to v3.1.5
- **changed** — Update module github.com/pion/rtcp to v1.2.17
- **changed** — Update module github.com/pion/turn/v5 to v5.0.12
- **added** — Add support for non-zero channel mapping

##### Changelog
* 21f6d7ad2c5a4159b56f7eec877738c34b4d66d3 Update module github.com/pion/rtp to v1.10.4
* d9b2a24c395f82498c8b116ada77a25a528d1e2b Set the default MTU to 1191
* be58c65a85ea75ceb61ccc7a1aceb64d69adc7ab Update actions/setup-node action to v7
* a50e6853574235c8294896e90deeab0fd839df9f Update module github.com/pion/ice/v4 to v4.3.0 (#3474)
* ebba224bb07c241036cf9fd7f98b37c26a016f52 Fix late assert panic in TestInterceptorNack
* 8ddbe21d72c756a683edd71c7c662669619bc0c4 Expose ICE use-candidate priority setting (#3449)
* 6fbce156e0de9764f1ce46ac581c0469ec1d7a04 Update module github.com/pion/dtls/v3 to v3.1.5 (#3469)
* df4b786e8ccb39773e22847c5faaf40e2abba9bc Update module github.com/pion/rtp to v1.10.3 (#3465)
* 991f6d352a1b51a0238293ff237ba8668df8d952 Update module github.com/pion/rtcp to v1.2.17 (#3462)
* 6d4ca7483dd3d51796156157b9ec1d7d569b5434 Update module github.com/pion/turn/v5 to v5.0.12 (#3464)
* 6b653c9e62bfa519dc2913d86c37f29fee68cb80 Update actions/checkout action to v7
* 33562414be6c5f6e535d638dffba193ee9fd190e Add support for non-zero channel mapping