>but no one actually uses them. The two companies I worked in (and still work as of now) both were using fasthttp and non-stdlib json parser (jsoniter and jstr

>but no one actually uses them. The two companies I worked in (and still work as of now) both were using fasthttp and non-stdlib json parser (jsoniter and jstream to be exact). In fact in my experience - nobody uses stdlib implementations outside of projects were stdlib is actually enough (and that's a lot of projects actually) and temp\prototype projects.