AIR does not support any plugins in its embedded WebKit browser except Acrobat and Flash Player.
I posted some info on why we don't support third-party plugins in AIR in this post
(fourth item in the thread)
Please feel free to log a request at http://ideas.adobe.com (or find an existing one and vote on it) if this is something you feel strongly about.
Please repost your reasons as I am getting the following error message - even when logged in ...
It appears you're not allowed to view what you requested. You might contact your administrator if you think this is a mistake.
I would love to read WHY because this strikes me as one of the most stupid and most sited decisions ever. Why choke functionality that is already available in WebKit. In fact, why bake into AiR any one specific version of WebKit instead of allowing us to wire in the latest and greatest release?
i was asking myself the same question... i needed to load 1 site with silverlight and it didn't work... even embed flash objects has issues! they aling wrong! :S