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livekit-agents@1.5.15

QwenLM/Qwen3-ASRlivekit-agents@1.5.15May 29, 2026by tinalenguyen

AI Summary

This release focuses on enhancing OpenAI Realtime support, adding new STT/TTS plugins like Cartesia and Respeecher, and improving LLM tool serialization and error handling.

Key Highlights

  • Added Cartesia ink-2 STT and Respeecher TTS plugins
  • Added status_details to OpenAI Realtime incomplete response logs
  • Updated tests to use Inference whenever possible
  • Relaxed bithuman pin for SDK 2.x compatibility

New Features

  • Cartesia ink-2 STT
  • Respeecher TTS plugin
  • Explicit context caching for Google plugins
  • OpenAI Realtime status_details logging

Full Release Notes

## What's Changed
* (openai realtime): add status_details to incomplete response logs by @tinalenguyen in https://github.com/livekit/agents/pull/5873
* feat(cartesia): add ink-2 stt by @charlotte-zhuang in https://github.com/livekit/agents/pull/5827
* fix(ipc): bound AgentSession.aclose() during job shutdown by @longcw in https://github.com/livekit/agents/pull/5875
* fix(amd): defer no-speech timer until SIP call is answered by @chenghao-mou in https://github.com/livekit/agents/pull/5848
* chore(tests): update tests to use Inference whenever possible AGT-2304 by @chenghao-mou in https://github.com/livekit/agents/pull/5632
* fix(llm): sort function tools to make order an invariant by @u9g in https://github.com/livekit/agents/pull/5884
* fix(deps): relax bithuman pin to <3 for SDK 2.x compatibility by @sgu-bithuman in https://github.com/livekit/agents/pull/5882
* fix(aws): flatten tool blocks when toolConfig is omitted by @u9g in https://github.com/livekit/agents/pull/5850
* fix(llm): serialize all provider tools for the Responses API + log server-side tool execution by @u9g in https://github.com/livekit/agents/pull/5865
* fix(llm): make to_responses_fnc_ctx.provider_tool_type optional by @toubatbrian in https://github.com/livekit/agents/pull/5892
* internal(voice): wire DebugMessage over remote-session wire by @toubatbrian in https://github.com/livekit/agents/pull/5855
* Add respeecher tts plugin by @mitrushchienkova in https://github.com/livekit/agents/pull/3233
* feat(plugins-google): add cached_content option for explicit context caching by @kamil-bidus in https://github.com/livekit/agents/pull/5675
* (google llm): ruff and add cache warnings by @tinalenguyen in https://github.com/livekit/agents/pull/5893
* feat(smallestai): update TTS plugin for Lightning v3.1 Pro and WebSocket streaming by @harshitajain165 in https://github.com/livekit/agents/pull/5799
* fix(openai realtime): honor OPENAI_BASE_URL env var fallback by @chenghao-mou in https://github.com/livekit/agents/pull/5895
* livekit-agents@1.5.15 by @github-actions[bot] in https://github.com/livekit/agents/pull/5896

## New Contributors
* @sgu-bithuman made their first contribution in https://github.com/livekit/agents/pull/5882
* @mitrushchienkova made their first contribution in https://github.com/livekit/agents/pull/3233
* @kamil-bidus made their first contribution in https://github.com/livekit/agents/pull/5675

**Full Changelog**: https://github.com/livekit/agents/compare/livekit-agents@1.5.14...livekit-agents@1.5.15