In 2026, Kotlin turned fifteen. Over those fifteen years, Kotlin has built a mature ecosystem, been adopted by companies around the world, and established a large and active developer community.

The current compilation approach to Kotlin Multiplatform projects works, but sometimes can lead to unexpected or hard-to-predict behavior. For example: With Kotlin 2.5.0-Beta1, we introduced an ...

JetBrains Mellum2.1 is an open 12B MoE coding agent model with 2.5B active parameters and 47.0% SWE-bench Verified.

Hello, good evening, this is Yasharia!Recently, there is a conversation I often hear in the engineering community."If AI ...

JetBrains on September 22, 2026 introduced JetBrains Air, an open system of products for agentic software development that spans its IDEs, team delivery workflows, and organizational governance, with ...