The problem with both Swift and Kotlin, is that you must use libraries to draw and handle events, which typically makes it tied to a single OS (Swift only real

The problem with both Swift and Kotlin, is that you must use libraries to draw and handle events, which typically makes it tied to a single OS (Swift only really being used in OSX at present). Kotlin might rely on the very extensive JVM libraries, which are horrendously complicated. I don't know what you mean by a step backwards. This a batteries-included environment like VB6 and Borland Delphi, but emits to the current web app universe we live in, so it is definitely in the now.