https://golang.google.cn/doc/devel/release.html
go1.16 (released 2021/02/16)
go1.15 (released 2020/08/11)
go1.14 (released 2020/02/25)
go1.13 (released 2019/09/03)
go1.12 (released 2019/02/25)
go1.11 (released 2018/08/24)
go1.10 (released 2018/02/16)
go1.9 (released 2017/08/24)
go1.8 (released 2017/02/16)
go1.7 (released 2016/08/15)
go1.6 (released 2016/02/17)
go1.5 (released 2015/08/19)
go1.4 (released 2014/12/10)
go1.3 (released 2014/06/18)
go1.2 (released 2013/12/01)
go1.1 (released 2013/05/13)
go1 (released 2012/03/28)
Older releases