LiveKit Agents 1.4.6 adds AssemblyAI speaker diarization
Diarization is the hear headline for 1.4.6.
Details1 source
livekit-agents 1.4.6 adds speaker diarization support on AssemblyAI STT.
livekit-agents 1.4.6
Week 12
16–22 Mar 2026The Connect layer led the week with 4 of 9 filings, from Daily / Pipecat, Amazon Connect and LiveKit.
Hearspeech-to-text1
Speaktext-to-speech2
Amazon Polly adds Bidirectional Streaming API and 10 Generative voices
HTTP/2 duplex TTS lets LLM token streams speak without sentence buffering — AWS's own 39% faster bench is vendor-run, but the API shape matches cascaded voice-agent stacks.
Details2 sources
Amazon announced general availability of a Bidirectional Streaming API for Polly's Generative engine, plus 10 new Generative voices across eight locales and Generative-engine availability in Europe (London) and Canada (Central).
Polly Generative TTS Bidirectional Streaming
LiveKit Agents 1.4.6 adds Murf AI TTS plugin
New TTS vendor plus speak-path text transforms.
Details1 source
livekit-agents 1.4.6 adds a Murf AI TTS plugin and callable TextTransforms with a built-in replace transform.
livekit-agents 1.4.6
Orchestrateframeworks, evals2
LiveKit Agents 1.5.0 (Python + JS) enables preemptive generation and ships Agent.create on Node
Defining turn-taking defaults for the 1.5 line, with a Node functional-API surface in the same version. Class-2: folded quiet patch(es) 1.5.4, 1.5.8 into this row.
Details4 sources
livekit-agents 1.5.0 turns on preemptive generation by default with adaptive interruption so LLM/TTS can start before end-of-turn; @livekit/agents 1.5.0 adds a functional Agent.create() / AgentTask.create() API on Node.
livekit-agents / @livekit/agents 1.5.0
Pipecat 0.0.106 adds wake-phrase user turn start strategy
Always-on mics can gate turns on a phrase without a separate wake-word microservice.
Details3 sources
pipecat-ai 0.0.106 adds WakePhraseUserTurnStartStrategy with single_activation mode, plus helpers to compose default start/stop strategy lists.
pipecat-ai 0.0.106
Connecttelephony, channels4
Pipecat 0.0.106 adds Daily DTMF input and SIP dial-out helpers
IVR-style digit collection and SIP dial-out configuration land on the Daily path together.
Details3 sources
pipecat-ai 0.0.106 adds Daily DTMF input via on_dtmf_event plus sip_provider and room_geo on the Daily runner configure() helper.
pipecat-ai 0.0.106
Amazon Connect brings agentic S2S voice to London with three new voices
UK/EU contact-centre buyers get Connect S2S in London with en-GB and es-US voices on 18 March — a geo and locale unlock, not a new duplex model.
Also Think
Details1 source
Amazon Connect extended agentic speech-to-speech voice experiences to Europe (London) and added three S2S voices: Pedro (es-US), Amy (en-GB), and Brian (en-GB).
Agentic speech-to-speech (London + voices)
Amazon Connect voice AI agents add 13 languages to reach 40 locales
Connect voice agents jump from prior coverage to 40 locales on 17 March — useful for EU and MENA contact centres, with quality still AWS-claimed only.
Also Use
Details1 source
Amazon Connect added 13 language locales for voice AI agents, bringing the total to 40, covering Arabic (Saudi Arabia), Czech, Danish, Dutch (Belgium), English (Ireland, New Zealand, Wales), German (Switzerland), Icelandic, Romanian, Spanish (Mexico), Turkish, and Welsh.
Voice AI agents multilingual expansion
LiveKit Agents 1.4.6 adds trunk_config on WarmTransferTask
SIP trunk wiring for warm transfers.
Details1 source
livekit-agents 1.4.6 adds trunk_config to WarmTransferTask for SIP endpoint transfers.
livekit-agents 1.4.6