I am still in the process of getting the real feel of Autolayout, still trying to get the core of it. In my learning path, I have encountered some nice sites with some nice tips to resolve Autolayout issues. Using autolayoutTrace, constraintsAffectingLayoutForAxis etc. Below are those

Ambiguous Autolayout Tips

Autolayout Debugging

Also the Apple document says to run the application in instruments choosing “Cocoa layout” template, I tried that, it shows all the constraint changes happening but couldn’t figure out how the data can help, may be I need to understand more.