IoT software development is evolving fast—partly due to the rise of AI and partly because of the demand for decentralized control. The modern IoT software stack isn’t just collecting data; it’s processing it on the edge, sending insights to the cloud, and feeding back instructions autonomously. Developers now design systems that can handle billions of device interactions with zero lag and maximum reliability. Expect to see IoT software built with enhanced cybersecurity layers, self-healing systems, and deep analytics baked into the code itself.