This technical report examines the rise of the Agentic Software Development Lifecycle (SDLC) and the influence of Generative AI (GenAI) on software delivery processes. It outlines how GenAI technologies are reshaping the software development landscape by enhancing efficiency, innovation, and scalability. The report presents findings from a survey conducted across the Gulf Cooperation Council (GCC) countries, Jordan, and Egypt, highlighting the current adoption levels, benefits, challenges, and potential of GenAI tools in the SDLC. The study identifies key terminologies related to the Agentic SDLC, including new job profiles and the stages of the software delivery process that are being augmented by AI. It details how GenAI is transforming various stages of the SDLC, from ideation and design to coding, testing, deployment, and maintenance. The report concludes with insights into the future of software development, emphasizing the need for organizations to adapt to the evolving landscape shaped by AI technologies.