The hosts discuss Unreal Engine 5.5's new experimental lighting feature, MegaLights. the hosts talk about MegaLights' capabilities, showcasing its ability to render thousands of dynamic, shadow-casting lights in real-time on current-generation consoles. They highlight the technology's impact on workflows and its potential to revolutionize 3D environments, while others provide technical explanations of its underlying mechanisms and limitations. The hosts also feature interviews with developers and artists who worked on MegaLights demos and offer insights into their experiences using this new tool. Finally, they talk about the offer of practical guidance on implementing and optimizing MegaLights within Unreal Engine projects.