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async-std v1.12.0 Release Notes

Release Date: 2022-06-18 // about 2 years ago

  • ➕ Added

    • std::task::spawn_blocking is now stabilized. We consider it a fundamental API for bridging between blocking code and async code, and we widely use it within async-std's own implementation.
    • ➕ Add TryFrom implementations to convert TcpListener, TcpStream, UdpSocket, UnixDatagram, UnixListener, and UnixStream to their synchronous equivalents, including putting them back into blocking mode.

    🔄 Changed

    • async-std no longer depends on num_cpus; it uses functionality in the standard library instead (via async-global-executor).
    • 📚 Miscellaneous documentation fixes and cleanups.

Previous changes from v1.11.0

  • 🚀 This release improves compile times by up to 55% on initial builds, and up to 75% on recompilation. Additionally we've added a few new APIs and made some tweaks.

    ➕ Added

    • TcpListener::into_incoming to convert a TcpListener into a stream of incoming TCP connections

    ✂ Removed

    • 📚 The internal extension_trait macro had been removed. This drastically improves compile times for async-std, but changes the way our documentation is rendered. This is a cosmetic change only, and all existing code should continue to work as it did before.

    🔄 Changed

    • Some internal code has been de-macro-ified, making for quicker compile times.
    • 0️⃣ We now use the default recursion limit.

    📄 Docs

    • 🛠 Several docs improvements / fixes.