gRPC 1.21.2 released. gRPC Google is open source, high-performance, general-purpose RPC framework for mobile and HTTP / 2 design, was first published by Google's Protocol Buffers RPC-based framework. gRPC HTTP / 2 based on standard design, such as a bi-directional flow brings, flow control, header compression, multiplexing multiple single TCP and other features on the connection request. These characteristics make it a better performance on a mobile device, more power-saving and space occupied.
The new version is a fix release, updates are as follows: