CherryPy and the new versioning scheme

Hello all!

Probably some of you had already noticed the quick increments on the
version numbers of CherryPy. It is specially notorious given the
history of the project.

The last version of CherryPy on the PyPI is at 5.0.1 [1]. As you can see on the
changelog [1] we went from 3.8.2 -> 4.0 -> 5.0 -> 5.0.1 in a relative
short amount of time.

This took by surprise a lot of people (me included) and I would like to clarify
a little bit more about the reason behind this change.

If you take a close look to the changelog [2] you will see that it only includes
version from 3.3.0 and up and the first record states:

  "CherryPy adopts semver".

For those who are not familiar with semver [3] in a nutshell follows this
conventions (from [3]):

  Given a version number MAJOR.MINOR.PATCH, increment the:

  MAJOR version when you make incompatible API changes,
  MINOR version when you add functionality in a backwards-compatible
  manner, and PATCH version when you make backwards-compatible bug fixes.
  Additional labels for pre-release and build metadata are available as
  extensions to the MAJOR.MINOR.PATCH format.

In the history of CherryPy every mayor version would probably mean a complete
rewrite, but as you can see this is not the case anymore.

This versioning scheme might suit it well to the project, given that
the current developers that are involved tends to move forward the project
by short "bursts" of dev time and PR merging, having this clear convention
helps us to do a release on the spot and avoid losing the momentum which
will probably end up queuing the changes for a release months later.

I hope you all embrace this new versioning scheme and contribute to have
faster releases given the new conventions.

Cheers!

[1] https://pypi.python.org/pypi/CherryPy
[2] https://bitbucket.org/cherrypy/cherrypy/raw/766259a3f540186e9f5c327d0bb75b7e7fe5d24d/CHANGES.txt
[3] http://semver.org/
--
Rivera²

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