Have an option to calculate the date range for features based on the start dates and due dates for requirements. The exact same way that you have the option to calculate the date range for an epic based on the date range for its corresponding features
Thank you for your idea. We would recommend adding custom date fields to capture dates on your requirements. At this time we are unlikely to add automation to the way the feature due dates are calculated. Please provide any additional detail to help us understand your use case and how this would impact you.