eeshugerman edited a comment on issue #5573: [AIRFLOW-4929] Pretty print JSON Variables in UI URL: https://github.com/apache/airflow/pull/5573#issuecomment-511249000 Thanks @ashb! Got it working. I've fixed the tests and added two more to changes to this PR, both to do with the `val` text box on the "Edit Variable" page - use a monospaced font (requested here https://issues.apache.org/jira/browse/AIRFLOW-310) - increase height to fit content, up to a point Here are screenshots from the master branch: ### before  ### after #### long variable  #### short variable 
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