Java programming language can be enhanced with specifications. An specification is a baseline platform definition - a framework - to guide concrete implementations. 

One of these specifications is called MicroProfile. But what is MicroProfile specification, what is it used for and why might you need it? 

This blog explains all. 

Google Remote Procedure Call, or gRPC, is an open source Remote Procedure Call (RPC) framework focused on high performance and portable to any environment. It is an alternative to REST, deemed by many as more efficient.

After one of our customers requested it, the extension became available in our April 2022 Payara Community and Enterprise releases: 5.2022.2 and 5.38.0.