Working in a team, all using IntelliJ, there’s some discussion about checking-in or not the .ipr file for the project.
I just lost half an hour because a custom resource pattern was dropped from the compiler options when someone else checked in his .ipr that didn’t have this setting.
What’s the best practice here? FWIW We ignore .iws already.
This question is covered in the IntelliJ IDEA FAQ, also it was already asked on this site.
I’d recommend using .idea directory based format for finer control.