Major additions in version 2.0-beta:
• Support for gRPC transport (speed advantages are ~ 10 * times)
• Support for asynchronous methods in several modes (Coroutines, Java Thread)
I also published the generated (protoc) Java and Kotlin classes for low-level access via gRPC transport
Donation address:
Mx72b9ccf56eb6e1a0d00b50dd92314109649033be