> Second, all changes must be rooted in respect for existing usage and users
This is one of the reasons I love working in Go. I feel that the language maintainers understand that people using Go have more important work to do than update their code to whatever the new hotness is this month.
The end of the post they mention that an encoding/json/v2 package is in the works: https://github.com/golang/go/discussions/63397