The Kotlin, Swift, and Ruby languages have slipped from their top 20 positions in the Tiobe index of programming language popularity. All three seem to have lost traction and to be in decline ...

The Spring team, meanwhile, has supported Kotlin features such as coroutines, Kotlin extensions, and configuration DSLs. So far, 27% of Spring developers have used Kotlin, JetBrains said.

Since then, Google took this a step further by making Kotlin its preferred language for writing Android apps in 2019 — and while plenty of developers still use Java, Kotlin is quickly becoming ...

Originally introduced in 2011, Kotlin was already usable for Android development with the help of some add-ons, but Google now decided to support it as a “first-class” programming language ...