The three numbers are important to clearly define the build, the numbers can be summarised as Major, Minor and Patch. FYB follow Semantic Versioning, as as part of this process, the version numbers and the way they change convey meaning about the underlying code and what has been modified from one version to the next.
This number represents a Major change and the following reasons define an increment of this number:
This number represents a Minor change and the following reasons define an increment of this number:
This number represents a Patch and the following reasons define an increment of this number: