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How much effort do I have to invest to get a glimpse on the new graph viewer?

Do I have to deploy a new ArangoDB 3.1 and generate some test data myself or is there a demo available for a first impression?

Can also use the movie database example graph made famous by Neo4J. I have adapted it for use in ArangoDB: https://github.com/jsteemann/movie-database

ArangoDB ships with several example graphs so you don't have to come up with your own test data if you just want to explore the graph features.