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gRPC v1.27.0 Release Notes

Release Date: 2020-02-05 // about 4 years ago

  • This is the 1.27.0 release (guantao) of gRPC Core.

    🚀 Please see the notes for the previous releases here: https://github.com/grpc/grpc/releases. Please consult https://grpc.io/ for all information regarding this product.

    🚀 This release contains refinements, improvements, and bug fixes, with highlights listed below.

    Core

    • 🛠 fix build with OpenSSL1.1.1+ on Windows. (#21611)
    • ➕ Add a new submodule libuv v1.34.0. (#21583)
    • 👍 grpclb: Add support for balancer telling client to enter fallback mode. (#21452)
    • Bare bones of the libuv EventManager. (#21216)
    • 👍 Allow default use of system root certs on Android. (#21395)

    C++

    • Backport: Fix regression in MSVC runtime flag (for v1.27.x). (#21810)
    • ➕ Add Support for Full Chain Callbacks - experimental namespace. (#21423)
    • 👌 Improve documentation for building with CMake. (#21529)
    • Conditionally enable OPENSSL_NO_ASM for Visual Studio. (#21427)
    • 👍 Allow gRPC_INSTALL with module providers. (#21411)
    • ➕ Add Findc-ares.cmake module. (#20815)
    • Census client filter: use current span and tags. (#21249)
    • 👌 Improve & update BUILDING.md. (#21329)

    C

    • Introduce ChannelBase.ShutdownAsync() in a backward-compatible manner. (#21667)
    • c# - reduce delegate allocations in the Async*Call API. (#21365)
    • C# health checks watch. (#21120)

    Python

    • ⬇️ Drop manylinux1 support. Manylinux2010 is now the recommended Linux wheel format. (#21790)
    • [Aio] Implement add_done_callback and time_remaining. (#21681)
    • 👍 [Aio] Support SO_REUSEPORT channel option. (#21643)
    • 📇 [Aio] Support metadata. (#21647)
    • [Aio] Client Streaming and Bi-di Streaming. (#21517)
    • [Aio] Abort mechanism for server side. (#21582)
    • [Aio] Implement connectivity state related APIs. (#21621)
    • 👍 [Aio] Support credentials for unary calls. (#21351)
    • 👍 [Aio] Support channel argument for both client and server. (#21607)
    • [Aio] Client Side Interceptor For Unary Calls. (#21455)
    • [Aio] Call correctly the connect CB error when an error happens. (#21543)
    • [bazel] Add more stringent check for detection of python headers. (#21477)
    • [Aio] Streaming API - Server side streaming. (#21232)
    • Ship grpcio-status with the actual proto file. (#21377)