If you can guarantee that every gophers know the effects of the change. :D The problem of the change is that, if you upgrade your go version in go.mod files, t

If you can guarantee that every gophers know the effects of the change. :D The problem of the change is that, if you upgrade your go version in go.mod files, the behavior of the your old code might change. And the change might be not easily found in time. I indeed haven't found any surprising cases caused by the change of "for-range".