---
title: "ElevenLabs API TTS effects seed and knowledge base auto_discover deprecated and ignored: 2026-10-12 | Harbyn"
description: "ElevenLabs API TTS effects seed and knowledge base auto_discover deprecated and ignored, announced Oct 12, 2026."
canonical: "https://harbyn.com/changes/elevenlabs/2026-10-12-api-3"
last-updated: 2026-10-14
---

# ElevenLabs API TTS effects seed and knowledge base auto\_discover deprecated and ignored

Markdown version of <https://harbyn.com/changes/elevenlabs/2026-10-12-api-3>.

Deprecation - ElevenLabs API. low severity. In effect.

The seed field in agent TTS configuration effects is deprecated and has no effect, and the knowledge base auto-sync auto\_discover setting is deprecated and no longer has any effect. No removal date is given.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [ElevenLabs API](https://harbyn.com/vendors/elevenlabs.md) |
| Kind | Deprecation |
| Severity | low |
| Status | In effect |
| Announced | Oct 12, 2026 |
| Added to Harbyn | Oct 14, 2026 |
| Lead time | No dated deadline |
| Symbols | `auto_discover` |
| Review | Reviewed by a person, extracted by a model |

## Find it in your code

```sh
npx harbyn scan
```

This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses ElevenLabs API, from its packages and API hosts. Nothing leaves your machine.

## Sources

Where this event comes from: the page we read, when we read it, and the hash of that snapshot.

- <https://elevenlabs.io/docs/changelog.md> (changelog, fetched 2026-10-14 17:17 UTC, sha256 `e425e0558a7a875689fd322ed236729b3127ec2e8b7cc75067928e59d10da85a`)

## Related changes

### More from ElevenLabs API

- [Call queueing enabled by default for new agents](https://harbyn.com/changes/elevenlabs/2026-10-12-elevenagents-3.md) (Behavior change, announced Oct 12, 2026)
- [Post-call audio webhook retries](https://harbyn.com/changes/elevenlabs/2026-10-12-elevenagents-4.md) (Behavior change, announced Oct 12, 2026)
- [Default agent TTS model changed from eleven\_flash\_v2 to eleven\_v4\_turbo](https://harbyn.com/changes/elevenlabs/2026-10-05-api-3.md) (Behavior change, announced Oct 5, 2026)
- [Removed max\_depth from crawl job responses](https://harbyn.com/changes/elevenlabs/2026-10-05-api-4.md) (Breaking change, announced Oct 5, 2026)

### Changes at other vendors

- [AWS Lambda: Python 3.10 runtime deprecation](https://harbyn.com/changes/aws-lambda/2026-10-08-python-3-10-runtime-deprecation.md) (effective Oct 31, 2026)
- [Jira / Atlassian Cloud: Atlassian Analytics dashboard subscriptions being removed](https://harbyn.com/changes/atlassian-jira/2026-08-10-atlassian-analytics-dashboard-subscriptions-being-removed.md) (effective Nov 2, 2026)
- [Google Cloud Run and Functions: .NET 8 runtime deprecation](https://harbyn.com/changes/google-cloud/2026-10-08-net-8-runtime-deprecation.md) (effective Nov 10, 2026)
- [GitHub: X-GitHub-Stateless-S2S-Token header ignored from 2026-11-30](https://harbyn.com/changes/github/2026-10-02-x-github-stateless-s2s-token-header-ignored-from-2026-11-30.md) (effective Nov 30, 2026)

[All upcoming deadlines](https://harbyn.com/deadlines.md)