Molecule 1.0, a Compose-based state management library from Cash App, has reached its first stable release. The 1.0 version adds two major features: Kotlin Multiplatform support (JVM, JS, and native targets in addition to Android) and an immediate recomposition mode that removes the need for a frame clock. The post demonstrates how Molecule enables separating state-producing composables from UI composables, exposing state as StateFlow or Flow, simplifying unit testing with Turbine, and running the same logic across platforms including iOS and web.
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