Changelog

September 15, 2025

Text to Speech

WebSocket output format: Added support for specifying output format in the first message of a WebSocket connection, providing greater flexibility for real-time audio streaming workflows.

Agents Platform

First message interruption control: Added disable_first_message_interruptions setting to prevent agents from being interrupted during important opening messages like legal disclaimers.

MCP Server

Version 0.8.1: Added data residency support.

SDK Releases

JavaScript SDK

v2.15.0 - Added new Text to Voice Remix endpoint

Python SDK

v2.15.1 - Fixed conversation authentication issue and added asyncio event loop support
v2.15.0 - Added new Text to Voice Remix endpoint and fixed Pydantic issues

Packages

@elevenlabs/react@0.6.2 - Added correction and MCP tool call events
@elevenlabs/client@0.6.2 - Added correction and MCP tool call events
@elevenlabs/react-native@0.3.1 - Added correction and MCP tool call events

API

View API changes

New Endpoints

DELETE /v1/speech-to-text/transcripts/{transcription_id} - Delete Transcript By Id

Updated Endpoints

Backward Compatible Changes

Get dubbing - Added the optional order_by and order_direction parameters.
List Agents - Added the optional sort_by and sort_direction parameters.
List knowledge base documents - Added the optional sort_by and sort_direction parameters.