I must be doing something wrong when I\'m doing my builds. I want my current update to be available for Windows Phone 7 and Windows Phone 8. I am using the WP8 SDK and tar
The Dev Center now allows you to have multiple xap files submitted for a single app.
So you can have one version submitted targeting 7.* and others for 8.*. E.g.
This allows you to target both platforms from one app.