Echoing @shykes below[1], Docker had premium paid products before this launch, but we're trying to make that clearer and to simplify the product lineup.
Note that Docker CE is _just_ as good as the Docker you were using yesterday. In addition, the version lifecycle improvements are designed to get new features into Docker users' hands faster (with monthly Edge releases) and to improve maintainability by overlapping the maintenance windows of free Docker CE quarterly releases.
Echoing @shykes below[1], Docker had premium paid products before this launch, but we're trying to make that clearer and to simplify the product lineup.
Note that Docker CE is _just_ as good as the Docker you were using yesterday. In addition, the version lifecycle improvements are designed to get new features into Docker users' hands faster (with monthly Edge releases) and to improve maintainability by overlapping the maintenance windows of free Docker CE quarterly releases.
[1]: https://news.ycombinator.com/item?id=13774420