Topo.io transitioned from Amazon RDS to Neon due to the latter's branching feature, which significantly enhanced their development workflow by allowing parallel work with up-to-date production data. Initially using Amazon RDS for its reliability, Topo.io faced challenges with managing multiple instances for separate development and production environments, leading to increased complexity and costs. Neon's serverless Postgres, with its branching capabilities, provided a solution by enabling isolated development environments that mirror production, facilitating more efficient testing and debugging. This transition allowed developers to work collaboratively without impacting the main database, and the integration with Prisma further streamlined schema migrations, offering the ability to revert changes easily. By centralizing their tech stack around TypeScript, Node.js, and Next.js, Topo.io leveraged Neon's features to maintain high engineering velocity and a reliable user experience in their AI-powered sales assistant platform.