Explore advanced CI techniques for maintaining regression-free Zephyr applications in this 48-minute conference talk. Learn how to navigate the rapidly evolving Zephyr RTOS ecosystem while building secure, updatable applications across multiple SoCs. Discover strategies for managing technical debt, implementing secure bootloaders, and leveraging continuous integration to keep pace with Zephyr's frequent architectural changes. Gain insights into unified modeling, IP stack management, documentation practices, and debugging techniques. Understand the challenges of out-of-tree applications and how to overcome them using automated testing, hardware validation, and efficient developer workflows. Follow along with a live demo showcasing firmware rollout, device updates, and API implementation for IoT gateways.