Published Paper Details:

As software systems grow increasingly complex and distributed, traditional linear CI/CD pipelines--following rigid build -> test -> deploy sequences--struggle to keep pace with modern development demands. This paper explores the evolving landscape of software delivery, beginning with an analysis of the scalability limitations, bottlenecks, and inefficiencies of conventional pipelines, particularly in high-velocity environments and microservices architectures. It then examines the shift toward event-driven delivery architectures, highlighting how decoupling deployment steps and triggering actions based on real-time changes enhances flexibility and responsiveness. The study further investigates GitOps as a natural evolution of CI/CD, emphasizing the role of declarative system definitions, Git as the source of truth, and pull-based deployment models to achieve continuous system reconciliation and verification. Additionally, the paper delves into progressive delivery techniques--including feature flags, canary releases, and A/B testing--that enable safer, incremental rollouts supported by strong observability practices. Finally, it addresses the practical challenges organizations face in adopting these modern approaches, such as overcoming cultural resistance, dealing with legacy pipeline debt, bridging skill gaps, and integrating new tools into existing ecosystems. Through this exploration, the paper aims to rethink and propose a more adaptive, resilient framework for software delivery in today's dynamic environments.