>> * The feedback-dialogue behaves strange when clicking on "What is this?"

 
>> (the width of the dialogue changes)

 

>Ok. To be honest I am not sure if we'll fix this but we'll see. It's noted. 

Actually, this is an Moodbar bug. I have filed a bug for this at https://bugzilla.wikimedia.org/show_bug.cgi?id=37624.