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1. **Create Sesame Voices Programmatically**: You can now create and manage [Sesame Voices](https://api.vapi.ai/api#:~:text=CreateSesameVoiceDTO) via the API by specifying a `voiceName` and `transcription`.

2. **AWS STS Support in OAuth2 Authentication**: You can now use AWS Security Token Service for authentication by setting the `type` of `OAuth2AuthenticationPlan` to `'aws-sts'`, enabling integration with AWS's secure token services.