With Sage 8.5.1, I'm trying to use the same jQuery version that comes after installing Sage's dependencies. First, it should reference Google's CDN, then it should use the bower version as a fallback. However, WP is still incorporating its own jQuery version into the front facing site, and the CDN version is not present.
By default, this is included in the manifest.json file:
There are outdated references in the forums, I'm not sure how to implement.