Google Brings Jetpack Support and Docs to iOS as Kotlin Multiplatform Goes Big

On May 20, 2025, Google used I/O to push Kotlin Multiplatform (KMP) into the spotlight. Jetpack libraries, ViewModel, Paging, and SavedState, now support KMP, joining stable support from Room and DataStore.

Android Studio Meerkat adds a new KMP module template, making it easier to add shared code to existing Android apps. Meanwhile, Google Docs on iOS now runs on KMP, matching the Android version’s performance. This shift helped drive performance boosts in Kotlin/Native, including a move to LLVM 16, faster garbage collection, and smarter string handling.

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Google also confirmed that Android Lint works with Kotlin targets, and Gradle has a cleaner setup for KMP plugins. Kotlin Symbol Processing 2 (KSP2) is out of alpha and now stable, faster, safer, and easier to debug.

Two new codelabs show how to get started with KMP and migrate existing Room-based code. Google engineers detailed their large-scale use of KMP at KotlinConf 2025 in Copenhagen, with sessions on memory management and cross-platform development.

Google is building tools and apps with KMP now, not later. The message to developers is clear – Kotlin Multiplatform isn’t experimental anymore.