Development processes have evolved from a linear journey to a more dynamic approach that emphasizes continuous experimentation and user feedback, as highlighted by Vinodh Ravi from JPMorgan Chase during his ObservabilityCON 2021 session. This shift involves integrating developers' continuous application building with DevOps engineers' role in maintaining app reliability, using tools like k6 for load testing and Gremlin for chaos engineering to enhance feedback loops and predict system behavior. Observability plays a crucial role in this transformation, allowing teams to filter valuable insights from the vast data generated, with Ravi advocating for open source tools like Loki, Prometheus, and Tempo to drive infrastructure innovation. By fostering a culture of observability-driven development, teams can reduce time to detection and build resilient systems by incorporating rigorous observability practices early in the design phase, leveraging open standards and community contributions to navigate and solve complex problems effectively.