Back in April, we announced that Dialogflow API V2, along with Dialogflow Enterprise Edition (built on API V2), became generally available to all users. API V2 now serves as the default API for all new Dialogflow agents, and we've been releasing new features on API V2 since then. Some of the new features include: Versions and environments for building, testing, and deploying multiple environments, and Knowledge Connectors and Phone Gateways for easily implementing content-heavy FAQs and phone numbers into your agent.