# livekit v1.9.12

- Product: livekit (https://whatsnew.fyi/product/livekit)
- Vendor: livekit
- Date: 2026-03-05
- Version: v1.9.12
- Original notes: https://github.com/livekit/livekit/releases/tag/v1.9.12
- Permalink: https://whatsnew.fyi/product/livekit/releases/v1.9.12

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'.

---

- **added** — Add silent frame for pcmu/a
- **added** — Add test to ensure agent worker errors cause disconnection
- **added** — Populate client_protocol field in ParticipantInfo
- **added** — Read client protocol from query param
- **added** — Generate and log egressID for start egress request
- **added** — Add ESP32 Client Info
- **added** — Make INSTALL_PATH overridable in install script
- **changed** — Defer setting clock rate in RTPStats module till codec is bound
- **changed** — Wrap SIP errors for invalid argument and not found
- **changed** — Ignore parse addr error when add remote candidate
- **changed** — Generate config flags
- **changed** — Clear reference guard when resetting signal stats
- **changed** — Refresh telemetry guard on participant move
- **changed** — Use separate allocation for signal stats telemetry guard
- **changed** — Set up audio config in audio level module when config is updated
- **changed** — Update self-hosting deployment documentation link
- **changed** — Key telemetry stats worker using combination of roomID and participantID
- **changed** — Implement two phase restart when doing external restart of receiver
- **changed** — Send participant left event after track unpublished for moved
- **fixed** — Fix receiver restart race
- **fixed** — Require participant broadcast when metadata/attributes are set in token
- **fixed** — Create buffer if needed when a PLI is requested
- **fixed** — Do not increase max expected layer on track info update
- **fixed** — Ensure publish is always on publisher peer connection
- **fixed** — Add permissions to workflow to fix code scanning alert
- **fixed** — Fix CodeQL reported issues
- **fixed** — Protect against incorrect temporal layer
- **fixed** — Do not discount packets lost on duplicate packets
- **fixed** — Use ParticipantTelemetryListener of LocalParticipant
- **fixed** — Fix SIP client timeout

###### Added
- Add silent frame for pcmu/a (#4258)
- adds a test to ensure agent worker errors cause disconnection (#4273)
- Populate client_protocol field in ParticipantInfo (#4293)
- Read client protocol from query param (#4294)
- generate & log egressID for start egress request (#4303)
- ESP32 Client Info (#4267)
- feat: make INSTALL_PATH overridable in install script (#3954)

###### Changed
- Defer setting clock rate in RTPStats module till codec is bound. (#4250)
- Wrapping SIP errors for invalid argument and not found (#4253)
- Ignore parse addr error when add remote candidate (#4264)
- Generate config flags (#4268)
- clear reference guard when resetting signal stats (#4279)
- refresh telemetry guard on participant move (#4280)
- use separate allocation for signal stats telemetry guard (#4281)
- Set up audio config in audio level module when config is updated. (#4290)
- Update self-hosting deployment documentation link (#4312)
- Key telemetry stats worker using combination of roomID, participantID (#4323)
- Two phase restart when doing external restart of receiver. (#4329)
- Send participant left event after track unpublished for moved (#4334)

###### Fixed
- Fix receiver restart race (#4248)
- require participant broadcast when metadata/attributes are set in token (#4266)
- Create buffer if needed when a PLI is requested. (#4282)
- Do not increase max expected layer on track info update. (#4285)
- Publish is always on publisher peer connection.(#4307)
- Potential fix for code scanning alert no. 35: Workflow does not contain permissions (#4311)
- Potential fix for code scanning alert no. 36: Workflow does not contain permissions (#4310)
- Fix for some CodeQL reported issues (#4314)
- Protect against incorrect temporal layer. (#4327)
- do not discount packets lost on duplicate packets (#4333)
- Use ParticipantTelemetryListener of LocalParticipant. (#4342)
- Fix SIP client timeout. (#4345)