Nylas API v3 introduces enhancements aimed at improving email delivery and efficiency through three new features: Bounce Detection, Smart Compose, and Scheduled Send. Bounce Detection provides real-time insights into email bounces, allowing users to optimize deliverability and maintain sender reputation by addressing issues promptly, which is crucial given the stricter requirements from leading email service providers. Smart Compose leverages generative AI to draft emails automatically, reducing time spent on repetitive tasks and improving communication efficiency for users, particularly benefiting fields like customer service where consistent and accurate responses are vital. Scheduled Send enables users to time their email dispatches for optimal engagement, which can significantly increase open and response rates, especially in industries like sales and recruitment where timing impacts communication success. These features are designed to enhance the user experience and streamline workflow without disrupting existing development roadmaps.