Hi Sean, In AIR 22, we have moved the rendering logic to the main thread, however, decoding is still hardware based and done from a secondary thread. In your sample app, you are intentionally blocking the main thread for 1 second, which will stop rendering for that duration. You will observe the same behavior on desktop as well. Could you share a small sample with your original use case where you are observing glitches on addChild? Thanks, Adobe Air Team
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