Using a freshly re-installed and updated Flash CS6 on a 64-bit Macbook OS X 10.9.4. I've tried various combos of Air 3.2, 3.4, 14, and 15, since yesterday, and I'm getting the same result. Just…
So now I'm thinking Air 15 has nothing to do with the issue. I'm going to publish for distribution tomorrow using the latest Air SDK. I'll post here how that goes.