Explore a revolutionary approach to the software development lifecycle in this 39-minute conference talk from SREcon21. Delve into Emily Freeman's presentation on rethinking the traditional SDLC model, which has remained largely unchanged since the 1960s. Discover how the Revolution model captures the multi-threaded, nonsequential nature of modern software development, addressing the complexities of distributed and decoupled systems. Learn how this new model builds upon Agile and DevOps principles, incorporating concerns from DevSecOps and AIOps. Gain insights into why updating our approach to software development is crucial in today's rapidly evolving technological landscape. Understand how the Revolution model embraces continuous innovation and better reflects the actual experience of modern software engineers.