As mentioned in the blog post, the statistics include IDE-related data, such as user actions, and basic information about the project, including frameworks and

As mentioned in the blog post, the statistics include IDE-related data, such as user actions, and basic information about the project, including frameworks and libraries (though limited to a predefined whitelist). Overall, this is quite similar to the data collection done by EAP for the products. Source code is never sent under any circumstances.