Sergei will talk about the K2 Kotlin compiler and its use in production environments. K2 is a new addition to the Kotlin compiler toolchain that is designed to improve the performance and efficiency of Kotlin compilation. Although still relatively new, K2 is a powerful tool for Kotlin developers who want to build fast, efficient, and reliable applications. In this talk, we will explore the benefits of using K2 in production environments and discuss how it can help improve the performance of your Kotlin builds. We will discuss the impact of K2 on clean and incremental build speeds and share independent benchmarks from a relatively large codebase at Meta.