> For a complete page index, fetch https://docs.synthflow.ai/llms.txt. For full documentation content, fetch https://docs.synthflow.ai/llms-full.txt. ## ElevenLabs v4 and v4 Turbo ![Voice Model dropdown with ElevenLabs v4 selected, above ElevenLabs v4 Turbo and Deepgram Aura-2](https://storage.googleapis.com/granular-changelog/doc-images/changelog_elevenlabs_v4.png) You can now pick **ElevenLabs v4** or **ElevenLabs v4 Turbo** as your [voice model](/voice-configuration#elevenlabs-v4-and-v4-turbo). Both support [audio tags](/voice-configuration#audio-tags), the same as V3. In the API, set `voice_synthesizer` to `eleven_v4` or `eleven_v4_turbo`. ## Every action run in the Calls API When a call ran the same action more than once (such as knowledge base lookups or custom actions), the Calls API returned only the last run. Add `include_all_actions=true` to [Get a call](/api-reference/platform-api/calls/get-phone-call) or [List calls](/api-reference/platform-api/calls/list-calls) to get `all_executed_actions`, which lists every run with its start and finish time. `executed_actions` is unchanged, so existing integrations keep working. ## Voice accent in GET /voices You can now choose a voice by accent without opening the app. [GET /voices](/api-reference/platform-api/voices/get-voices) returns each voice's `accent`, such as `american`.