Well, that's good to hear. My concern is, we need APIs that are predictable, straightforward, and easy to use for devs to create offline web apps. Right now, it's quite difficult, and hence hardly anyone does it. ServiceWorker may help a lot with one part of the equation, but it doesn't fix up the persistent storage story of the Web.
I find the IndexDB API maddening to use personally.
I find the IndexDB API maddening to use personally.