Shiny is my favorite web application framework. It is simply awesome. Shiny 1.1.0 was released to CRAN last week. This update brings probably the most significant feature/improvement in recent years: async execution support. With the help of future, promises (computer science people surely knew how to name abstract thingsā¦), and this shiny update, you can now write scalable web applications using Shiny. You Want It When? (Zootopia) In brief, if you have some long-running computations (such as querying a remote database, live fitting a statistical model) in your Shiny app, that computation …