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livekit-agents@1.4.3

livekit/agentslivekit-agents@1.4.3Feb 23, 2026by theomonnom

AI Summary

Patch release with fixes for browser navigation RPC, STT/TTS plugin improvements, and various reliability enhancements including graceful agent shutdown and console turn metrics display.

Key Highlights

  • Fix browser navigate RPC to use data.payload
  • Add sip_headers parameter to WarmTransferTask
  • Add vad_threshold parameter to AssemblyAI STT plugin
  • Support Claude computer use on livekit-plugins-browser
  • Upgrade default drive thru LLM model to GPT-5 mini
  • Gracefully stop AgentTask and parent agents on session close

New Features

  • sip_headers param for WarmTransferTask
  • vad_threshold parameter for AssemblyAI STT
  • Claude computer use support on livekit-plugins-browser
  • Turn metrics display in console mode

Full Release Notes

## What's Changed
* fix: use data.payload for browser navigate RPC by @theomonnom in https://github.com/livekit/agents/pull/4871
* Adjust dependency version requirement for Speechmatics STT by @sam-s10s in https://github.com/livekit/agents/pull/4873
* Not raising an error when JWT token is given for Neuphonic by @alexshelkov in https://github.com/livekit/agents/pull/4874
* Fix: Preserve OpenAI item ID on FunctionCall in Realtime sessions by @StianHanssen in https://github.com/livekit/agents/pull/4876
* gracefully stop AgentTask and parent agents when session close by @longcw in https://github.com/livekit/agents/pull/4730
* feat: add sip_headers param to WarmTransferTask by @theomonnom in https://github.com/livekit/agents/pull/4890
* Add vad_threshold parameter to AssemblyAI STT plugin by @AhmadIbrahiim in https://github.com/livekit/agents/pull/4880
* Update Simli integation endpoint by @Antonyesk601 in https://github.com/livekit/agents/pull/4894
* Upgrade the default drive thru LLM model to gpt 5 mini by @chenghao-mou in https://github.com/livekit/agents/pull/4897
* chore: remove models to be deprecated on March 19 2026 by @chenghao-mou in https://github.com/livekit/agents/pull/4895
* fix: skip OTLP log exporter setup when recording is disabled by @theomonnom in https://github.com/livekit/agents/pull/4892
* Drop unsupported params for reasoning models by @theomonnom in https://github.com/livekit/agents/pull/4908
* chore: update Async API base URL and default model name by @ashotbagh in https://github.com/livekit/agents/pull/4896
* (inworld tts): fix output emitter flush by @tinalenguyen in https://github.com/livekit/agents/pull/4912
* show turn metrics in console mode by @theomonnom in https://github.com/livekit/agents/pull/4916
* fix(google): raise the correct errors for blocked/etc by @davidzhao in https://github.com/livekit/agents/pull/4917
* support claude computer use on livekit-plugins-browser by @theomonnom in https://github.com/livekit/agents/pull/4882
* livekit-agents 1.4.3 by @theomonnom in https://github.com/livekit/agents/pull/4920

## New Contributors
* @StianHanssen made their first contribution in https://github.com/livekit/agents/pull/4876

**Full Changelog**: https://github.com/livekit/agents/compare/browser-v0.1.4...livekit-agents@1.4.3