I’m using the instructions here to load a library dependent on jQuery that is being served from my dev site. My config.json looks like: { “$ schema”: “https://dev.office.com/json-schemas/spfx-build/config.2.0.schema.json”, “version”: “2.0”, “bundles”: { “my-web-part”: { “components”: [ { “entrypoint”: “./lib/webparts/myWebPart/myWebPart.js”, “manifest”: “./src/webparts/myWebPart/myWebPart.manifest.json” } ] } }, “externals”: { “jquery”: { “path”: “node_modules/jquery/dist/jquery.min.js”, “globalName”: “jquery” }, “myLibrary”:Read more