Explore techniques and best practices for versioning data in Amazon DynamoDB, with a focus on complex directed graph data structures, in this 14-minute conference talk from PlatformCon 2023. Gain insights into harnessing the full potential of versionable data in a scalable and efficient manner. Learn how Courier Automations, a key feature of the Courier platform, stores smart notification workflows as directed acyclic graphs (DAGs) in DynamoDB. Discover how to implement versioning for complex graph data, allowing users to revert to earlier versions of automations. Follow along as Senior Software Engineer Andrew Youngwerth from Courier walks through DynamoDB versioning best practices and their application to intricate data graph structures.