--- title: "ElevenLabs API API changes, deprecations and deadlines | Harbyn" description: "ElevenLabs API: 1 upcoming deadline and 96 recorded changes as of 2026-10-25, each with its source." canonical: "https://harbyn.com/vendors/elevenlabs" last-updated: 2026-10-25 --- # ElevenLabs API: API changes and deadlines Markdown version of . AI models and APIs. 1 upcoming deadline, 96 recorded changes. Every entry cites the ElevenLabs API page we read it from. ## What we read The ElevenLabs API pages and feeds our ingestion visits, politely and on a schedule. - **Changelog**: - **Changelog**: ## What the scanner looks for How `harbyn scan` recognises ElevenLabs API in a repository, on your machine. Nothing leaves it. - **Packages**: `pypi elevenlabs`, `npm @elevenlabs/elevenlabs-js` - **API hosts**: `api.elevenlabs.io` - **Model IDs starting with**: `eleven_` ## Upcoming deadlines | Deadline | Change | Use instead | Details | Source | | --- | --- | --- | --- | --- | | Nov 11, 2026 | Seedance 1.5 Pro retirement | - | | | ## Change history Newest first, by the date ElevenLabs API announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such. ### October 2026 - Oct 19, 2026, Feature: [Conversation and ticket responses add metadata](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Edited transcripts include edited\_text](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Behavior change: [PVC-as-IVC option is nullable](https://harbyn.com/changes/elevenlabs/2026-10-19-api-5.md) - Oct 19, 2026, Breaking change: [Agent TTS effects schema removes deprecated seed](https://harbyn.com/changes/elevenlabs/2026-10-19-api-6.md) - Oct 19, 2026, Feature: [Dubbed language outputs include subtitles](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Eleven Realtime models](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Agent alerts](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Google Calendar event tools](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Guardrails generally available](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Workspace environments available through the API](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Answering machine detection actions](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [New agent LLMs](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Authored-only workflow reads](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Rebase branches from any source branch](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Force-delete agents used as subagents](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Sort agents by last update](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Zero Retention Mode for music and sound effects](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [WAV output formats for Sound Effects](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Realtime Translation](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [SDKs and CLI add Realtime, environments and polling helpers](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Speech Engine supports conversations up to 40 minutes](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Sort Speech Engines by last update](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Video to Music API available](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Behavior change: [Resubmittable voice review status](https://harbyn.com/changes/elevenlabs/2026-10-19-voices.md) - Oct 19, 2026, Feature: [Disable service account API keys](https://elevenlabs.io/docs/changelog.md) - Oct 19, 2026, Feature: [Workspace group concurrency limits](https://elevenlabs.io/docs/changelog.md) - Oct 12, 2026, Feature: [Agent, conversation, test and workspace field additions](https://elevenlabs.io/docs/changelog.md) - Oct 12, 2026, Deprecation: [TTS effects seed and knowledge base auto\_discover deprecated and ignored](https://harbyn.com/changes/elevenlabs/2026-10-12-api-3.md) - Oct 12, 2026, Feature: [Ticket merging and search](https://elevenlabs.io/docs/changelog.md) - Oct 12, 2026, Behavior change: [Call queueing enabled by default for new agents](https://harbyn.com/changes/elevenlabs/2026-10-12-elevenagents-3.md) - Oct 12, 2026, Behavior change: [Post-call audio webhook retries](https://harbyn.com/changes/elevenlabs/2026-10-12-elevenagents-4.md) - Oct 12, 2026, Feature: [JavaScript and Python SDK v2.72.0, CLI v1.5.0 and client packages updated](https://elevenlabs.io/docs/changelog.md) - Oct 12, 2026, Feature: [Speech to Text adds turn prediction commit strategy](https://elevenlabs.io/docs/changelog.md) - Oct 12, 2026, Feature: [Audio effects for Text to Speech and Text to Dialogue](https://elevenlabs.io/docs/changelog.md) - Oct 12, 2026, Feature: [Voice collections API](https://elevenlabs.io/docs/changelog.md) - Oct 5, 2026, Feature: [New endpoints for agent merge proposals, deployments, test cancellation and Speech Engine duplication](https://elevenlabs.io/docs/changelog.md) - Oct 5, 2026, Feature: [Agents add gpt-6.1-sol, claude-sonnet-5-5 and Eleven v4 TTS model options](https://elevenlabs.io/docs/changelog.md) - Oct 5, 2026, Behavior change: [Default agent TTS model changed from eleven\_flash\_v2 to eleven\_v4\_turbo](https://harbyn.com/changes/elevenlabs/2026-10-05-api-3.md) - Oct 5, 2026, Breaking change: [Removed max\_depth from crawl job responses](https://harbyn.com/changes/elevenlabs/2026-10-05-api-4.md) - Oct 5, 2026, Behavior change: [Structured procedures compile automatically](https://harbyn.com/changes/elevenlabs/2026-10-05-elevenagents.md) - Oct 5, 2026, Deprecation: [Compile procedures endpoint marked legacy](https://harbyn.com/changes/elevenlabs/2026-10-05-elevenagents-2.md) - Oct 5, 2026, Feature: [JavaScript and Python SDK additions](https://elevenlabs.io/docs/changelog.md) - Oct 5, 2026, Behavior change: [ElevenLabs Swift SDK v3.4.0: Dynamic variables keep native JSON types](https://harbyn.com/changes/elevenlabs/2026-10-05-sdk-releases-2.md) - Oct 5, 2026, Feature: [Realtime transcript editing added to client packages](https://elevenlabs.io/docs/changelog.md) - Oct 5, 2026, Behavior change: [ElevenLabs client and widget packages: Stable response IDs prevent duplicate agent replies](https://harbyn.com/changes/elevenlabs/2026-10-05-sdk-releases-4.md) ### September 2026 - Sep 28, 2026, Breaking change: [Flows webhook targets now require an explicit type](https://harbyn.com/changes/elevenlabs/2026-09-28-api.md) - Sep 28, 2026, Feature: [Eleven v4 and Eleven v4 Turbo are now available](https://elevenlabs.io/docs/changelog.md) - Sep 28, 2026, Feature: [New agent LLM options](https://elevenlabs.io/docs/changelog.md) - Sep 28, 2026, Feature: [Agent test usage summaries](https://elevenlabs.io/docs/changelog.md) - Sep 28, 2026, Feature: [Flows Template API endpoints added](https://elevenlabs.io/docs/changelog.md) - Sep 28, 2026, Feature: [JavaScript and Python SDK v2.70.0 additions](https://elevenlabs.io/docs/changelog.md) - Sep 28, 2026, Behavior change: [CLI v1.4.0 stops sending stored OAuth credentials with an explicit API key](https://harbyn.com/changes/elevenlabs/2026-09-28-sdk-releases-2.md) - Sep 28, 2026, Feature: [Transcript editing for batch and realtime transcription](https://elevenlabs.io/docs/changelog.md) - Sep 28, 2026, Feature: [Text to Dialogue generation continuity](https://elevenlabs.io/docs/changelog.md) - Sep 28, 2026, Feature: [Professional voice mode for Text to Dialogue](https://elevenlabs.io/docs/changelog.md) - Sep 23, 2026, Retirement: [Sora 2 and Sora 2 Pro retired](https://harbyn.com/changes/elevenlabs/2026-09-23-image-video.md) (effective Sep 24, 2026; recorded after the fact) - Sep 21, 2026, Feature: [Phone-number listing endpoint added](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Breaking change: [Conversation filters no longer accept the missing operator](https://harbyn.com/changes/elevenlabs/2026-09-21-api-12.md) - Sep 21, 2026, Feature: [Dubbing project fields accept additional multipart formats](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Deprecation: [Crawl job max\_depth deprecated and now ignored](https://harbyn.com/changes/elevenlabs/2026-09-21-api-7.md) - Sep 21, 2026, Feature: [GBP added to currency enums](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Feature: [Agents add enable\_parallel\_tool\_calls, on by default](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Feature: [gpt-6-astra added as an agent LLM option](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Feature: [Agent alerting adds Slack notifiers](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Feature: [GPT Image 2.5 models supported for image generation](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Feature: [JavaScript and Python SDK v2.69.0 add realtime transcript editing and new methods](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Behavior change: [JavaScript and Python SDK v2.69.0 fix Speech Engine JWT verification](https://harbyn.com/changes/elevenlabs/2026-09-21-sdk-releases-2.md) - Sep 21, 2026, Behavior change: [Python SDK v2.69.0 play raises an error when ffplay fails](https://harbyn.com/changes/elevenlabs/2026-09-21-sdk-releases-5.md) - Sep 21, 2026, Feature: [CLI v1.3.2 adds feedback commands](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Feature: [Cascade timeout parameter added to Speech Engine requests](https://elevenlabs.io/docs/changelog.md) - Sep 21, 2026, Behavior change: [Multi-context turn boundary marker](https://harbyn.com/changes/elevenlabs/2026-09-21-text-to-speech.md) - Sep 14, 2026, Feature: [Conversation tool results and procedure feature statuses added](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Feature: [Agent branching, procedures and test APIs gain optional fields](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Feature: [RAG query overrides added](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Feature: [WhatsApp account type added to account responses](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Feature: [LLM usage response adds price per message](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Feature: [LLM enum adds gemini-3.8-flash](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Feature: [Agents add call queueing with hold audio](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Feature: [Music v2.5 API support](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Feature: [JavaScript and Python SDK v2.68.0 add agent hold audio methods](https://elevenlabs.io/docs/changelog.md) - Sep 14, 2026, Behavior change: [iOS SDK v3.3.1 reconciles agent messages by response\_id](https://harbyn.com/changes/elevenlabs/2026-09-14-sdk-releases-3.md) - Sep 14, 2026, Behavior change: [Convai widget packages 0.18.2 fix duplicate replies and throttle user\_activity events](https://harbyn.com/changes/elevenlabs/2026-09-14-sdk-releases-5.md) - Sep 11, 2026, Feature: [Scribe v2 Medical generally available](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Feature: [Workspace-wide conversation tickets](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Feature: [Dynamic variable conversation filters](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Feature: [Twilio answering machine detection](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Deprecation: [Data collection value constraint field deprecated](https://harbyn.com/changes/elevenlabs/2026-09-07-elevenagents-4.md) - Sep 7, 2026, Feature: [List agent branches shows draft creation time and whether a draft is behind the tip](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Feature: [Agent and Speech Engine summaries now include voice\_id](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Feature: [Knowledge base source URLs in RAG query chunks](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Feature: [Attachments in agent response WebSocket events](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Feature: [JavaScript and Python SDK v2.67.0 add dynamic variable conversation filters](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Behavior change: [CLI v1.2.0 makes eleven\_v3 the default TTS model and adds elevenlabs say](https://harbyn.com/changes/elevenlabs/2026-09-07-sdk-releases-4.md) - Sep 7, 2026, Feature: [@elevenlabs/client 1.24.0 passes agent response attachments to onMessage](https://elevenlabs.io/docs/changelog.md) - Sep 7, 2026, Feature: [API key responses can include platform limits](https://elevenlabs.io/docs/changelog.md)