Seastar (open source, asynchronous thread-per-core framework for C++) now supports C++20 and C++23, and dropped support for C++17.

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Seastar, an open-source C++ framework, now supports C++20 and C++23 and has dropped support for C++17. C++23 introduces new features like std::expected, std::flat_set, and std::flat_map. Retiring C++17 support allows Seastar to fully utilize C++20 features like coroutines, std::format, std::ranges, and concepts.

Seastar, ScyllaDB, and C++23