This would make me very happy.
Oh man, seconded. I have just discovered the VJing features in DJay Pro and would love to be able to use my collection of trippy abstract GIFs to create visuals!
thank you for your request, we are noticing the user demand of this feature and are thankful that you gave us this feedback.
We will let you know if there are updates and informations regarding the support of Gifs and other Visualisers.