Last fall the Azure Core Upstream team introduced Hyperlight: an open-source Rust library you can use to execute small, embedded functions using hypervisor-based protection. Then, we showed how to run Rust functions really, really fast, followed by using C to run Javascript. In February 2025, the Cloud Native Computing Foundation (CNCF) voted to onboard Hyperlight into their Sandbox program. We’re announcing the release of Hyperlight Wasm: a Hyperlight virtual machine (VM) “micro-guest” that can...