livekit-agents@1.4.5 — Agents (Python)

What's Changed

Pass through additional params to LemonSlice when using the LemonSlice Avatar by @jp-lemon in https://github.com/livekit/agents/pull/4984
fix(anthropic): add dummy user message for Claude 4.6+ trailing assistant turns by @giulio-leone in https://github.com/livekit/agents/pull/4973
(keyframe): remove whitespace from py.typed by @tinalenguyen in https://github.com/livekit/agents/pull/4990
Add Phonic Plugin to LiveKit agents by @qionghuang6 in https://github.com/livekit/agents/pull/4980
Fixed E2EE encryption of content in data tracks by @zelidrag-arbo in https://github.com/livekit/agents/pull/4992
fix: resync tool context when tools are mutated inside llm_node by @longcw in https://github.com/livekit/agents/pull/4994
[🤖 readme-manager] Update README by @ladvoc in https://github.com/livekit/agents/pull/4996
fix(google): prevent function_call text from leaking to TTS output by @BkSouX in https://github.com/livekit/agents/pull/4999
(openai responses): add websocket connection pool by @tinalenguyen in https://github.com/livekit/agents/pull/4985
(openai tts): close openai client by @tinalenguyen in https://github.com/livekit/agents/pull/5012
nvidia stt: add speaker diarization support by @longcw in https://github.com/livekit/agents/pull/4997
update error message when TTS is not set by @longcw in https://github.com/livekit/agents/pull/4998
initialize interval future in init by @tinalenguyen in https://github.com/livekit/agents/pull/5013
Fix/elevenlabs update default voice non expiring by @yusuf-eren in https://github.com/livekit/agents/pull/5010
[Inworld] Flush to drain decoder on every audio chunk from server by @ianbbqzy in https://github.com/livekit/agents/pull/4983
(google): support passing credentials through realtime and llm by @tinalenguyen in https://github.com/livekit/agents/pull/5015
use default voice accessible to free tier users by @tmshapland in https://github.com/livekit/agents/pull/5020
make commit_user_turn() return a Future with the audio transcript by @longcw in https://github.com/livekit/agents/pull/5019
Add GPT-5.4 to OpenAI plugin by @Topherhindman in https://github.com/livekit/agents/pull/5022
Generate and upload markdown docs by @Topherhindman in https://github.com/livekit/agents/pull/4993
Add GPT-5.4 and GPT-5.3 Chat Latest support by @Topherhindman in https://github.com/livekit/agents/pull/5030
Improve Audio Generation Quality for Cartesia TTS Plugin by @tycartesia in https://github.com/livekit/agents/pull/5032
fix(elevenlabs): handle empty words in _to_timed_words by @MonkeyLeeT in https://github.com/livekit/agents/pull/5036
fix(deepgram): include word confidence for stt v2 alternatives by @inickt in https://github.com/livekit/agents/pull/5034
fix: generate final LLM response when max_tool_steps is reached by @IanSteno in https://github.com/livekit/agents/pull/4747
fix: guard against negative sleep duration in voice agent scheduling by @jnMetaCode in https://github.com/livekit/agents/pull/5040
add modality-aware Instructions with audio/text variants by @longcw in https://github.com/livekit/agents/pull/4987
fix(core): move callbacks to the caller by @chenghao-mou in https://github.com/livekit/agents/pull/5039
Added raw logging of API errors via the LiveKit plugins for both STT and TTS. by @dhruvladia-sarvam in https://github.com/livekit/agents/pull/5025
Log LemonSlice API error + new agent_idle_prompt arg by @jp-lemon in https://github.com/livekit/agents/pull/5052
Sarvam v3 tts addns by @dhruvladia-sarvam in https://github.com/livekit/agents/pull/4976
fix(google): avoid session restart on update_instructions, use mid-session client content by @D-zigi in https://github.com/livekit/agents/pull/5049
(responses llm): override provider property and set use_websocket to False for wrappers by @tinalenguyen in https://github.com/livekit/agents/pull/5055
feat(mcp): add MCPToolResultResolver callback for customizing tool call results by @longcw in https://github.com/livekit/agents/pull/5046
docs: add development instructions to README and example READMEs by @bcherry in https://github.com/livekit/agents/pull/2636
Improve plugin READMEs with installation, pre-requisites, and docs links by @bcherry in https://github.com/livekit/agents/pull/3025
Add generate_reply and update_chat_ctx support to Phonic Plugin by @qionghuang6 in https://github.com/livekit/agents/pull/5058
feat: enhance worker load management with reserved slots and effective load calculation by @ProblematicToucan in https://github.com/livekit/agents/pull/4911
fix(core): render error message with full details in traceback by @chenghao-mou in https://github.com/livekit/agents/pull/5047
feat(core): allow skip_reply when calling commit_user_turn by @chenghao-mou in https://github.com/livekit/agents/pull/5066
fix(mcp): replace deprecated streamablehttp_client with streamable_http_client by @longcw in https://github.com/livekit/agents/pull/5048
fix: disable aec warmup timer when audio is disabled by @longcw in https://github.com/livekit/agents/pull/5065
feat(openai): add transcript_confidence from OpenAI realtime logprobs by @theomonnom in https://github.com/livekit/agents/pull/5070
Enhance LK Inference STT and TTS options with new parameters and models by @russellmartin-livekit in https://github.com/livekit/agents/pull/4949
Move Instructions to beta exports by @theomonnom in https://github.com/livekit/agents/pull/5075
livekit-agents 1.4.5 by @theomonnom in https://github.com/livekit/agents/pull/5076

New Contributors

@giulio-leone made their first contribution in https://github.com/livekit/agents/pull/4973
@qionghuang6 made their first contribution in https://github.com/livekit/agents/pull/4980
@zelidrag-arbo made their first contribution in https://github.com/livekit/agents/pull/4992
@tmshapland made their first contribution in https://github.com/livekit/agents/pull/5020
@tycartesia made their first contribution in https://github.com/livekit/agents/pull/5032
@inickt made their first contribution in https://github.com/livekit/agents/pull/5034
@jnMetaCode made their first contribution in https://github.com/livekit/agents/pull/5040
@D-zigi made their first contribution in https://github.com/livekit/agents/pull/5049
@ProblematicToucan made their first contribution in https://github.com/livekit/agents/pull/4911

Full Changelog: https://github.com/livekit/agents/compare/livekit-agents@1.4.4...livekit-agents@1.4.5