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kotlinx.coroutines v1.3.0 Release Notes

  • Flow

    🚀 This version is the first stable release with Flow API.

    All Flow API not marked with @FlowPreview or @ExperimentalCoroutinesApi annotations are stable and here to stay. 📄 Flow declarations marked with @ExperimentalCoroutinesApi have the same guarantees as regular experimental API. 📄 Please note that API marked with @FlowPreview have weak guarantees on source, binary and semantic compatibility.

    🔄 Changelog

    • 📄 A new guide section about Flow.
    • CoroutineDispatcher.asExecutor extension (#1450).
    • 🛠 Fixed bug when select statement could report the same exception twice (#1433).
    • 🛠 Fixed context preservation in flatMapMerge in a case when collected values were immediately emitted to another flow (#1440).
    • 👍 Reactive Flow integrations enclosing files are renamed for better interoperability with Java.
    • 0️⃣ Default buffer size in all Flow operators is increased to 64.
    • ⚡️ Kotlin updated to 1.3.50.