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The Codex » Semver Is Wrong For Web Applications

https://grimoire.ca/dev/webapp-versions
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The Codex » Semver Is Wrong For Web Applications

Semantic Versioning (“Semver”) is a great idea, not least
because it’s more of a codification of existing practice than a totally novel
approach to versioning. However, I think it’s wrong for web applications.

Modern web applications tend to be either totally stagnant – in which case
versioning is irrelevant – or continuously upgraded. Users have no, or very
little, choice as to which version to run: either they run the version currently
on the site, or no version at all. Without the flexibility to choose to run a
specific version, Semver’s categorization of versions by what compatibility
guarantees they offer is at best misleading and at worst irrelevant and
insulting.

Web applications must still be versioned; internal users and operators must be
able to trace behavioural changes through to deployments and backwards from
there to code changes. The continuous and incremental nature
of most web development suggests that a simple, ordered version identifier may
be more appropriate: a build serial number, or a version date, or
otherwise.

There are parts of web applications that should be semantically versioned: as
the Semver spec says, “Once you identify your public API, you communicate
changes to it with specific increments to your version number,” and this remains
true on the web: whether you choose to support multiple API versions
simultaneously, or to discard all but the latest API version, a semantic version
number can be a helpful communication tool about that API.

Questions? Comments? Feedback? Email me!

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