You can now use voice profiles to understand who is interacting with your skill, which allows you to provide customers with custom responses and a more personalized Alexa skill experience.

Alexaスキルのパーソナライズ機能がAlexa Skills Kitで一般公開され、すべてのロケールでご利用いただけるようになりました。開発者は、カスタムスキルの音声プロフィールを活用し、スキルとの対話する声に応じた応答を返すことができます。

Announcing New Alexa Skills Kit Developer Tools to Help You Deliver Visuals on the Latest Echo Devices, More Languages, and Personalization

Announcing Personalized Alexa Skill Experiences (Preview)

Use Alexa voice profiles to personalize your skill content for individual customers.

You can now detect when your skill is being used from an Alexa Auto vehicle or device and adapt your experience to be contextual.