Thanks to this approach, Meta has been able to port over 10 million lines of Kotlin code, allowing thus the majority of Meta Android engineers to switch to Kotlin for their daily tasks.

Many Google teams have also been on a similar journey from Java to Kotlin for both Android and the server-side, culminating in over 11m lines of Kotlin code (as of October 2022).

BellSoft, the creator of Liberica JDK, a progressive Java runtime for the most complete Java experience and a leading OpenJDK contributor, today announced a major upgrade to Liberica JDK Performance ...

In order to maximize the benefits brought by Kotlin in terms of productivity and safety, Meta engineers have been hard at work to translate their 10 million line Android codebase from Java into Kotlin ...