It’s something new every release. Current is golazo, previous was gravity. https://github.com/grpc/grpc/releases

They use this to pad the release notes so they don’t have to comprehensively document the behavior changes.

> They use this to pad the release notes so they don’t have to comprehensively document the behavior changes.

I want to laugh, but I also want to cry because it's true.

A better link https://github.com/grpc/grpc/blob/master/doc/g_stands_for.md