DX ↔ How Developer Experiences & feels when using tools to develop App

aka DX, Developer-Experience, Dev-Experience

Zero-Config

runs out of box. Preconfig just works for most common tasks

References

1. Popularity ↔ greater ecosystem support & DX for FC

2. Kotlin ↔ static typed Multi-paradigm language attempt at better Java with DX features (ie type inference, null safety & functional pattern - Java-interop)