This is the 1.21.1 patch release of gRPC Core. This patch is for gRPC-Python only. gRPC Python pkgs for 1.21.0 release could not be uploaded to PyPi due to the issue #19105.
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.