Thanks for the references, friend! And yes, I definitely am primarily thinking of protobuf, as I struggled with this back with version 2.5. I had the (apparent

Thanks for the references, friend! And yes, I definitely am primarily thinking of protobuf, as I struggled with this back with version 2.5. I had the (apparently mistakenly) impression that Avro and Cap'n Proto (which I think actually first came out in this timeframe) were about on par.