What's the best ay to report a problem with macOs Mojave?
Is this the place where problems detected with the MacOS must be reported or is there a better place for that (like a bug tracker system)?
Well if you need help with a problem you are having, then this is the place to ask for help. If you want to report a problem to Apple, then you should visit the following site to submit your feedback.
https://www.apple.com/feedback