so when setting the AIR namespace in the application-descriptor of an AIR application, it basically tells which is the minimum AIR runtime the app will be compatible with, right?
but does it do anything more than disallowing the installation if a lower runtime version is installed?
For example, if AIR runtime 3.0 is installed, may an application perform in way different if the namespace was set either to 2.0 or to 3.0 in the application descriptor?