Between Linux distributions there are a vast number of options on getting different styles of an operating system. Quite a few of these distributions follow the classic idealology of updates like how windows and Mac do it with major updates every so often. However there are two other styles of updates that exist. One is Long Term Service or LTS updates. Also there is rolling updates. This will focus on rolling releases of Linux.
Rolling releases are updates that come to the user whenever they are available. Think of how your apps update but for your computer OS. This is quite different from the tradition update with major release approach. This keeps users up to date with the latest availible bugs features.
Actually very much not, its quite interesting seeing the different approaches being taken to the same idea. Here are a few examples of unique things about different distr