lti-language support and runtime ABI (Application Binary Interface) targets should be handled automatically in tooling.</p><p>One of the benefits of Wasm is the ability to write modules in many languages. The collaboration between Solo.io and Google provides out-of-the-box support for Envoy filters written in C++, Rust, and AssemblyScript. We will continue to add support for more languages.</p><p>Wasm extensions use the Application Binary Interface (ABI) within the Envoy proxy to which they are deployed. Th