The answer is "almost". There are two types of bugs: Reliability and Usability.
Developers can now submit and distribute applications via the Intel AppUp® center to the latest experience in personal computers called Ultrabook™.
by Jeff Spicer
As of September 14, 2011, AIR submissions are now being accepted again. Developers with AIR applications will no longer upload and submit their AIR files directly on the AppUp developer portal.