yeah messagepack is pretty good to, just i think more people are familiar with protobuf, and its tooling isn't painful to set up unlike flatbuffers

i was pretty much shocked when i learned how slow the Gob encoder that comes with the Go standard library actually is... it's slower than the stdlib encoding/json!

i figure out of all the options, protobuf probably has the greatest battle hardness, because it's used by so many big tech things