Release 1.2.1

• Add grpc.Version string and use it in the UA (#1144)
• transport: implement GoString on Stream (#1167)

Release 1.2.0

New features

• Health check keep alive client side implementation #993
• Client should have a check on maximum size of received message size #1117
• ClientHandshake returns AuthInfo #956
• Add calloption to retrieve peer information #1066

Bug fixes

• Cap the client side default number of max concurrent streams per connection to 100 #1071
• Use codes.Code.String() rather than logging integers #1027
• Account for padding in flow control, when received frame uses it #1076
• Client should send a RST_STREAM before freeing the quota on rpc context timeout #1124

Documentation

• Add document and example for go mock #1021