HN Discuss: Golang std performance is outdated 2 years ago
I would like to see those benchmarks that are being conducted. Care to share a link?
Regardless, there is definitely acknowledgement within the community that some parts of the standard library could use a rethink based on lessons learned in the past decade.
There is already some effort towards this with encoding/json/v2: https://github.com/go-json-experiment/json