I create an application with HTML5 using cache manifest file. All files was cached fine (good), but, I can't know when the cache is finally done because your status stay the same (zero) and the event doesn't fire. The same problem happen with DPS, and there's discussion with no solution to it (even now, the currently adobe content viewer stay with this bug).
One additional question: can you share a .article file with me that you've written that uses the applicationcache APIs? Put the .article file on CC, DropBox, or similar, and then send me a private message with a link to it. Thanks!