Dialogflow CX (Conversational Agents): This is a correction of the release note posted on August 7, 2025

## Announcement **Dialogflow CX (Conversational Agents)**: _This is a correction of the release note posted on [August 7, 2025](https://cloud.google.com/dialogflow/docs/release-notes#August%5F07%5F2025)_. All deactivated models are now automatically upgraded to model `gemini- 2.5-flash` with the exception of **generative fallback**, which is automatically upgraded to `gemini-2.5-flash-lite`. ## Feature **Dialogflow CX (Conversational Agents)**: The following regions are now available: * `asia-southeast2` * `europe-west4` * `europe-west6` ## Feature **Dalogflow CX (Conversational Agents)**: New prompt security controls are available in **agent settings**. See the [agent settings documentation](https://docs.google.com/document/d/1JsI5akdrE0jeut-dTS1niBWCycpa3JbnzzwELtAicxA/edit?resourcekey=0-fW6C0xA5t-bEBypItPV3XA&tab=t.0) for details. ## Feature **Dialogflow CX (Conversational Agents)** The [model](https://cloud.google.com/vertex-ai/generative-ai/docs/learn/model-versions) `gemini-2.5-flash-lite` is now available in all regions, and `gemini-2.5-flash` is now GA. These changes apply to the following features: * Generators * Playbooks * Data store tools