Twilio Microvisor is an IoT platform that provides a new approach to enabling connected device builders and hardware and embedded software developers to build IoT devices in a way that has never been possible before. It offers a microvisor architecture, which separates the application code from the firmware, allowing for failsafe remote firmware updates and secure remote debugging at scale. This architecture provides complete freedom of choice for developers, supporting any OS, language, toolchain, or cloud backend application. Twilio Microvisor also guarantees device reachability, providing reliable connectivity that all IoT devices require, and supports unbrickable over-the-air firmware updates. Additionally, it enables secure remote debugging, allowing developers to fix bugs in real-time, single-stepping through code, inspecting register contents, and having the Eureka moment of figuring out what the bug is making the application do something unexpected. The platform is now available in Public Beta status, with a comprehensive whitepaper and documentation available online.