livekit-agents@1.5.3 — Agents (Python)

What's Changed

feat(amd): add OTEL span and tag for AMD by @chenghao-mou in https://github.com/livekit/agents/pull/5376
fix(openai): prepend session instructions in realtime generate_reply by @longcw in https://github.com/livekit/agents/pull/5394
fix: AgentTask deadlock when on_enter awaits generate_reply that triggers another AgentTask by @longcw in https://github.com/livekit/agents/pull/5377
telemetry: emit OTel span events for developer-role messages by @joaquinhuigomez in https://github.com/livekit/agents/pull/5403
feat(realtime): reuse realtime session across agent handoffs if supported by @longcw in https://github.com/livekit/agents/pull/5229
fix(llm): handle double-encoded JSON tool arguments from providers by @prettyprettyprettygood in https://github.com/livekit/agents/pull/5409
chore: exposed the max session duration in with_azure() function by @k-1208 in https://github.com/livekit/agents/pull/5383
(gemini live 3.1): fix tool responses by @tinalenguyen in https://github.com/livekit/agents/pull/5413
fix(google): capture usage_metadata before early continues in streaming by @Panmax in https://github.com/livekit/agents/pull/5404
fix(voice): block new user turns immediately on update_agent() to prevent transition delay by @Panmax in https://github.com/livekit/agents/pull/5396
fix(tests): update drive thru instructions by @chenghao-mou in https://github.com/livekit/agents/pull/5405
feat(inference): handle preflight_transcript in inference STT plugin by @adrian-cowham in https://github.com/livekit/agents/pull/5412
fix(aws): unwrap doubly-encoded JSON tool arguments from Nova Sonic by @rililinx in https://github.com/livekit/agents/pull/5411
chore: pin GHA by commit by @davidzhao in https://github.com/livekit/agents/pull/5415
chore(deps): update dependency langchain-core to v1.2.28 [security] by @renovate[bot] in https://github.com/livekit/agents/pull/5417
chore(deps): update dependency aiohttp to v3.13.4 [security] by @renovate[bot] in https://github.com/livekit/agents/pull/5416
chore(deps): update dependency nltk to v3.9.4 [security] by @renovate[bot] in https://github.com/livekit/agents/pull/5418
(azure openai): ensure gpt-realtime-1.5 compatibility by @tinalenguyen in https://github.com/livekit/agents/pull/5407
chore(deps): update github workflows (major) by @renovate[bot] in https://github.com/livekit/agents/pull/5424
update: Sarvam STT - add verbose error loggin and remove retry connection by @dhruvladia-sarvam in https://github.com/livekit/agents/pull/5373
fix(inworld): do not leak connections when when cancelled by @davidzhao in https://github.com/livekit/agents/pull/5427
feat: add service_tier parameter to Responses API LLM by @piyush-gambhir in https://github.com/livekit/agents/pull/5346
Feature/krisp viva sdk support by @realgarik in https://github.com/livekit/agents/pull/4370
fix: empty transcript blocks commit_user_turn until timeout by @longcw in https://github.com/livekit/agents/pull/5429
fix: allow multiple AsyncToolsets by deduplicating management tools by @longcw in https://github.com/livekit/agents/pull/5369
feat(beta/workflows): add InstructionParts for modular instruction customization by @longcw in https://github.com/livekit/agents/pull/5077
add ToolSearchToolset and ToolProxyToolset for dynamic tool discovery by @longcw in https://github.com/livekit/agents/pull/5140
Feature - Configurable session close transcript timeout by @bml1g12 in https://github.com/livekit/agents/pull/5328
Fix FrameProcessor lifecycle for selector based noise cancellation by @Topherhindman in https://github.com/livekit/agents/pull/5433
feat: add Runway Characters avatar plugin by @robinandeer in https://github.com/livekit/agents/pull/5355
Rename e2ee to encryption in JobContext.connect by @longcw in https://github.com/livekit/agents/pull/5454
chore: reduce renovate noise by @davidzhao in https://github.com/livekit/agents/pull/5421
fix(liveavatar): wait for connected state and chunk audio before sending by @dyi1 in https://github.com/livekit/agents/pull/5453
(phonic): support realtimemodel say() by @tinalenguyen in https://github.com/livekit/agents/pull/5293
feat: add Cerebras LLM plugin by @u9g in https://github.com/livekit/agents/pull/5456
(google tts): add "gemini-3.1-flash-tts-preview" model by @tinalenguyen in https://github.com/livekit/agents/pull/5459
(hedra) remove from examples and raise exception by @tinalenguyen in https://github.com/livekit/agents/pull/5460
xai stt by @tinalenguyen in https://github.com/livekit/agents/pull/5458
feat(openai): expose max_output_tokens on Responses API LLM by @piyush-gambhir in https://github.com/livekit/agents/pull/5449
(xai stt): pass diarization capability + minor fix by @tinalenguyen in https://github.com/livekit/agents/pull/5461
Adding xAI Grok llm support for inference by @russellmartin-livekit in https://github.com/livekit/agents/pull/5201
(release workflow): allow spacing in dependency by @tinalenguyen in https://github.com/livekit/agents/pull/5463
livekit-agents@1.5.3 by @github-actions[bot] in https://github.com/livekit/agents/pull/5464

New Contributors

@joaquinhuigomez made their first contribution in https://github.com/livekit/agents/pull/5403
@k-1208 made their first contribution in https://github.com/livekit/agents/pull/5383
@rililinx made their first contribution in https://github.com/livekit/agents/pull/5411
@renovate[bot] made their first contribution in https://github.com/livekit/agents/pull/5417
@realgarik made their first contribution in https://github.com/livekit/agents/pull/4370
@robinandeer made their first contribution in https://github.com/livekit/agents/pull/5355
@dyi1 made their first contribution in https://github.com/livekit/agents/pull/5453
@u9g made their first contribution in https://github.com/livekit/agents/pull/5456

Full Changelog: https://github.com/livekit/agents/compare/livekit-agents@1.5.2...livekit-agents@1.5.3