# pion/webrtc v4.2.16

- Product: pion/webrtc (https://whatsnew.fyi/product/pion-webrtc)
- Vendor: pion
- Date: 2026-06-29
- Version: v4.2.16
- Original notes: https://github.com/pion/webrtc/releases/tag/v4.2.16
- Permalink: https://whatsnew.fyi/product/pion-webrtc/releases/v4.2.16

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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- **added** — Add the ability to write tracks OpusTags
- **added** — Add multi-track ogg writing API
- **added** — Add StartContext to ICE and DTLS Transport
- **fixed** — Fix flaky test detach race
- **fixed** — Fix wasm null JS event handlers before release
- **fixed** — Fix bundle-only data channel startup
- **changed** — Update module github.com/pion/sctp to v1.10.3
- **changed** — Update module github.com/pion/sctp to v1.10.2
- **changed** — Update module github.com/pion/datachannel to v1.6.2
- **changed** — Update module github.com/pion/sctp to v1.10.1
- **changed** — Update module github.com/pion/stun/v3 to v3.1.6
- **changed** — Update module github.com/pion/sdp/v3 to v3.0.19
- **changed** — Update module github.com/pion/srtp/v3 to v3.0.12
- **changed** — Update module github.com/pion/datachannel to v1.6.1
- **changed** — Update module github.com/pion/turn/v5 to v5.0.10

##### Changelog
* 3acb04c0bedcc57d2b9ddea102cb7b3787179400 Add the ability to write tracks OpusTags
* b1b0614cd458f580409fa2d3bdea7928d4a2e544 Add multi-track ogg writing API
* 5636863a5e2f2f071fb7786bc14e28b55b538d86 Update module github.com/pion/sctp to v1.10.3
* 43b3d65247e68fb76deba94e2fd37a21016b664c Fix flaky test detach race
* 7a223a6f4d4fed5dcfa8f7749604ff7e72fd2f33 Add StartContext to ICE and DTLS Transport (#3371)
* 979fc8416aa9b1cf66c7d4eade3822ab769f5be1 Update module github.com/pion/sctp to v1.10.2 (#3457)
* 730635086cc80b614797f74ec6fa31f7150933dc Update module github.com/pion/datachannel to v1.6.2 (#3456)
* 0b2fda9d73f83479868ee8c06a7d2e33c90e2845 Update module github.com/pion/sctp to v1.10.1 (#3455)
* 7a9d72c9b35af9a11384eae393290a586cee8015 Update module github.com/pion/stun/v3 to v3.1.6 (#3452)
* 7991a3a15b0602043b33113acb878509ba2a4d66 Update module github.com/pion/sdp/v3 to v3.0.19 (#3454)
* ea2897fb6dc2eeeec2c38441ceb134c2047be4dd Update module github.com/pion/srtp/v3 to v3.0.12 (#3448)
* 7c9521bd5656abe794a9e26424bf7ff0acca7a51 Update module github.com/pion/datachannel to v1.6.1 (#3451)
* 3a57b45bb11c863f76234401bb1a75d0e3dcee6b Fix wasm null JS event handlers before release (#3432)
* ec1dd730986df3d129c96f3691be04145d23259a Fix bundle-only data channel startup (#3447)
* 6a5d2f84f74f7db9044ffdc1f2f5403985f50cae Update module github.com/pion/turn/v5 to v5.0.10 (#3444)