# March 17, 2025

### Agents Platform

- **Default LLM update**: Changed the default agent LLM from Gemini 1.5 Flash to Gemini 2.0 Flash for improved performance.
- **Fixed incorrect conversation abandons**: Improved detection of conversation continuations, preventing premature abandons when users repeat themselves.
- **Twilio information in history**: Added Twilio call details to conversation history for better tracking.
- **Knowledge base redesign**: Redesigned the knowledge base interface.
- **System dynamic variables**: Added system dynamic variables to use time, conversation id, caller id and other system values as dynamic variables in prompts and tools.
- **Twilio client initialisation**: Adds an agent level override for conversation initiation client data twilio webhook.
- **RAG chunks in history**: Added retrieved chunks by RAG to the call transcripts in the [history view](https://elevenlabs.io/app/agents/history).

### Speech to Text

- **Reduced pricing**: Reduced the pricing of our Scribe model, see more [here](/guides/overview-capabilities-speech-to-text#pricing).
- **Improved VAD detection**: Enhanced Voice Activity Detection with better pause detection at segment boundaries and improved handling of silent segments.
- **Enhanced diarization**: Improved speaker clustering with a better ECAPA model, symmetric connectivity matrix, and more selective speaker embedding generation.
- **Fixed ASR bugs**: Resolved issues with VAD rounding, silence and clustering that affected transcription accuracy.

### ElevenCreative Studio

- **Disable publishing UI**: Added ability to disable the publishing interface for specific workspace members to support enterprise workflows.
- **Snapshot API improvement**: Modified endpoints for project and chapter snapshots to return an empty list instead of throwing errors when snapshots can't be downloaded.
- **Disabled auto-moderation**: Turned off automatic moderation based on Text to Speech generations in ElevenCreative Studio.

### Workspaces

- **Fixed API key editing**: Resolved an issue where editing workspace API keys would reset character limits to zero, causing the keys to stop working.
- **Optimized free subscriptions**: Fixed an issue with refreshing free subscription character limits,

### API

:::accordion{title="View API changes"}
## New Endpoints

- Added 3 new endpoints:
  - [Get workspace resource](https://elevenlabs.io/docs/api-reference/dubbing/resources/get-resource)
  - [Share workspace resource](/guides/changelog-api-reference-workspace-resources-share)
  - [Unshare workspace resource](/guides/changelog-api-reference-workspace-resources-unshare)

## Updated Endpoints

### Dubbing

- Updated Dubbing endpoints:
  - [Dub a video or audio file](/guides/changelog-api-reference-legacy-dubbing-create) - Added `use_replacement_voices_from_library` property and made `source_path`, `target_language`, `source_language` nullable
  - [Resource dubbing](https://elevenlabs.io/docs/api-reference/dubbing/resources/dub-segment) - Made `language_codes` array nullable
  - [Add language to dubbing resource](https://elevenlabs.io/docs/api-reference/dubbing/resources/add-language) - Made `language_code` nullable
  - [Translate dubbing resource](https://elevenlabs.io/docs/api-reference/dubbing/resources/translate-segment) - Made `target_languages` array nullable
  - [Update dubbing segment](https://elevenlabs.io/docs/api-reference/dubbing/resources/update-segment) - Made `start_time` and `end_time` nullable

### Project Management

- Updated Project endpoints:
  - [Add project](/guides/api-reference-studio-add-project) - Made `metadata`, `project_name`, `description` nullable
  - [Create podcast](/guides/api-reference-studio-create-podcast) - Made `title`, `description`, `author` nullable
  - [Get project](/guides/api-reference-studio-get-project) - Made `last_modified_at`, `created_at`, `project_name` nullable
  - [Add chapter](/guides/api-reference-studio-add-chapter) - Made `chapter_id`, `word_count`, `statistics` nullable
  - [Update chapter](/guides/api-reference-studio-update-chapter) - Made `content` and `blocks` properties nullable

### Agents Platform

- Updated Agents Platform endpoints:
  - [Update agent](https://elevenlabs.io/docs/api-reference/agents/update) - Made `conversation_config`, `platform_settings` nullable and added `workspace_overrides` property
  - [Create agent](https://elevenlabs.io/docs/api-reference/agents/create) - Made `agent_name`, `prompt`, `widget_config` nullable and added `workspace_overrides` property
  - [Add to knowledge base](/guides/changelog-api-reference-knowledge-base-create-from-url) - Made `document_name` nullable
  - [Get conversation](/guides/changelog-api-reference-conversations-get) - Added `twilio_call_data` model and made `transcript`, `metadata` nullable

### Text to Speech

- Updated Text to Speech endpoints:
  - [Convert text to speech](/guides/changelog-api-reference-text-to-dialogue-convert) - Made `voice_settings`, `text_input` nullable and deprecated `use_pvc_as_ivc` property
  - [Stream text to speech](https://elevenlabs.io/docs/api-reference/text-to-speech/stream) - Made `voice_settings`, `text_input` nullable and deprecated `use_pvc_as_ivc` property
  - [Convert with timestamps](/guides/changelog-api-reference-text-to-dialogue-convert-with-timestamps) - Made `character_alignment` and `word_alignment` nullable

### Voice Management

- Updated Voice endpoints:
  - [Create voice previews](https://elevenlabs.io/docs/api-reference/legacy/voices/create-previews) - Added `loudness`, `quality`, `guidance_scale` properties
  - [Create voice from preview](https://elevenlabs.io/docs/api-reference/text-to-voice/create) - Added `speaker_separation` properties and made `voice_id`, `name`, `labels` nullable
  - [Get voice](https://elevenlabs.io/docs/api-reference/voices/get) - Added `speaker_boost`, `speaker_clarity`, `speaker_isolation` properties

### Speech to Text

- Updated Speech to Text endpoint:
  - [Convert speech to text](/guides/changelog-api-reference-text-to-dialogue-convert) - Added `biased_keywords` property

### Other Updates

- [Download history](https://elevenlabs.io/docs/api-reference/history/download) - Added application/zip content type and 400 response
- [Add pronunciation dictionary from file](https://elevenlabs.io/docs/api-reference/pronunciation-dictionaries/create-from-file) - Made `dictionary_name` and `description` nullable
:::

## Related pages

- [Administration](./administration-index.md)
- [API reference](./api-reference-index.md)
- [Changelog](./changelog-index.md)
- [ElevenAgents](./elevenagents-index.md)
- [ElevenAPI](./elevenapi-index.md)
- [ElevenCreative](./elevencreative-index.md)
- [ElevenLabs Documentation Docs](../index.md)
- [General Troubleshooting FAQ](./troubleshooting-index.md)
- [General Website FAQ](./website-index.md)
- [Help Center](./help-center-2-index.md)

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