我在安装 docker 时候看到官方文档有提到
Optional: Enable the edge and test repositories. These repositories are included in the docker.repo file above but are disabled by default. You can enable them alongside the stable repository.
这个 edge 是指一个什么样的仓库?比 test 更新还是更旧,还是更稳定的?
一张图就明白了,也就是

吃鸡版
Edge gives you new features every month