XMLRPC with WSDL was bad enough that I only had to use it once. We migrated WSDL stack to REST (2007-8), which was an improvement, but it was fraught with a fa

XMLRPC with WSDL was bad enough that I only had to use it once. We migrated WSDL stack to REST (2007-8), which was an improvement, but it was fraught with a fat clients for each language integration to uniformly handle SSO authorization and other sundries. Has the author considered something built upon Protocol Buffers, which have can have reasonable versioning semantics and is portable and supports status code canonicalization, like gRPC?