As planned, the app-manager and app-framework are to be migrated to https://github.com/bytecodealliance/wamr-app-framework. ps. https://github.com/bytecodealliance/wasm-micro-runtime/issues/2329 https://github.com/bytecodealliance/wasm-micro-runtime/wiki/TSC-meeting-notes
Fix linkage error, update build wamr document, update socket and sample documents.