In this talk at the FOSDEM conference, Martin discusses the state of microkernel-based operating systems (microchannels). He provides an overview of various microkernels, including Genode, L4E, Helen OS, Fuchsia, Managarm, Redux, and others. Martin highlights the features and focuses of each microkernel and provides insights into their design, compatibility, and performance. He also discusses trends in the future of microkernels, such as specific use case targeting, hardware-software code design, and certifications in safety, security, and formal verification. Overall, the talk provides an informative overview of the current landscape of microkernels and their potential for various applications.