177. Sorting by app’s semantic version

In the previous exercise, you may have noticed that the app_version column has text values like 1.1.0 or 1.1.1. What do these 3 numbers mean? Why not have versions like v1 or v2?

Semantic versioning

Such notation with three numbers is called semantic versioning. It’s used a lot in software development to version software libraries and projects.

Semantic versioning follows this pattern: MAJOR.MINOR.PATCH.

  • MAJOR version changes when you make incompatible API changes. When Bindle completely rebuilds their app they’ll bump major version to 2.0.0.
  • ...
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