Turns out that it is not possible to configure the size of the create issue screen yet.
However there's a feature request for it which I'd strongly suggest you to vote and comment on it to raise its awareness and also add yourself as a watcher for following further updates.
Hope this helps.
To answer “How scrum works,” most of the teams I've worked with first addressed the question: “where to start?” That question applies to both implementation and improvements on the Scrum framew...
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