After this post http://blogs.adobe.com/flex/2011/11/your-questions-about-flex.html and especially this paragraph:
... Does Adobe recommend we use Flex or HTML5 for our enterprise application development?
In the long-term, we believe HTML5 will be the best technology for enterprise application development. We also know that, currently, Flex has clear benefits for large-scale client projects typically associated with desktop application profiles. ...
Make no mistake, the days of Flex are over. Thus a lot of people are asking themselves:
Which technology(ies) will solve their and their customers problems in a future without flex?
P.S.: Obviously the correct answer for adobe would have been " ...Since we believe, that HTML5 will be the best technology enterprise application development, we will ensure that it will be targeted by future releases of the Flex framework ..."