From Fedora Project Wiki

Looking for help debugging an application failure? Interested in learning what information can be provided to make a better bug report? You've come to the right place.

The pages listed here provide information intended to improve the quality of bug reports. By following the instructions provided, the information you provide in bug reports will save time for you and the package maintainer. Happy bug hunting!

Bugs and feature requests is an excellent place to start reading if you are new to this category.