如何了解运行iOS应用程序的设备/操作系统版本？

I understand that apple no longer allows me to send "device data" to third-party services. As a result of this, Flurry and presumably every other analytics company no longer collects OS/hardware version data. However, this data is very valuable to anyone trying to target development toward the people who are actually using the apps.I understand that apple no longer allows me to