I plan to get 4K monitor soon. However, AiR products in particular don't have scalable GUI so they will look tiny. In fact they are already too small and difficult to click in 1920x1080 resolution, in high DPI they will be completely unusable.
Please add scaling support for high-resolution monitors which are becoming popular. Out of my synths Sylenth1 and Lush-101 already have it. There are rumours that Serum and Harmor will have it soon as well. You know, the competition is running away from you :P
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Thanks for posting.
I know we have gotten some requests about this in the past, as well. I'll be happy to pass this along to my software team as a feature request for you. Please stay tuned to www.airmusictech.com/support for all future updates and announcements, sign up for our newsletter, or consider following us on our social media channels.