This is apparently different and separate from Mozilla's manifest.webapp (which I guess is for Firefox OS?), but I don't know if it's a standardization of Chrome's manifest.json that I've seen elsewhere or something entirely new, but similar. Either way, the entire manifest ecosystem is really confusing right now.
I understand the need for the existence of an app manifest, but is there really a need to standardize it? I suspect we may have reached the point of diminishing returns in terms of new web standards.
Would you prefer writing a manifest for every platform/browser?
Nice. Inter-app communication between web apps installed on any device.
A search engine for web app manifests would be a good starting point for a World Wide App Store.
I thought html5 already captured much of this... What is this doing that html5 doesn't?
The W3C still exists? I thought it was defunded by 2000.