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Code & Deliverynoun · /səˈmæntɪk ˈvɜːrʒənɪŋ/

semantic versioning

semantic versioning — A versioning system where software version numbers follow MAJOR.MINOR.PATCH format, where each number indicates the type of change made: MAJOR for breaking changes, MINOR for new features that are backwards compatible, and PATCH for bug fixes.

In simple English

Semantic versioning is a standardized way to version software that makes it clear to users and developers what kind of changes were made in each release. Instead of arbitrary numbers, the version number itself communicates information about compatibility and impact. For example, version 2.3.5 tells you that there were major breaking changes (2), new backwards-compatible features (3), and bug fixes (5) since the last major release. In tech workplaces, semantic versioning is essential for dependency management, especially when using package managers like npm, pip, or Maven. When you declare that your library follows semantic versioning, other developers can confidently update to new versions knowing whether they need to update their code or can safely upgrade automatically. This reduces conflicts and makes releases more predictable. Large projects and open-source libraries almost always use semantic versioning because it prevents breaking changes from surprising users. Teams typically discuss semantic versioning during release planning to decide whether a change warrants a major, minor, or patch version bump.

How to say it: Often shortened to "semver" ("SEM-ver").

Understand how to use MAJOR.MINOR.PATCH versioning to communicate the type and severity of software changes to users and developers.

At a glanceCEFR C1
Commonness4/5
Versatility4/5
FormalityCasualFormalNeutral
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticDirect
RegionUS and UK

Say it like this

  • We use semantic versioning for all our releases.
  • This change requires a major version bump under semantic versioning.
  • Follow semantic versioning to keep consumers of our API happy.

Use it at work

Releasing

  • This is a breaking change, so it's a major version.
  • Bug fix only, so bump the patch number.

Explaining

  • We follow semantic versioning: major, minor, patch.
  • Version 2.3.1 means major 2, minor 3, patch 1.

Code review

  • This change is breaking. It should be 3.0, not 2.4.
  • Please update the version with semver rules.

Don't say this

✕We are doing semantic versioning with version 1.2.3.4 (four numbers).
✓Semantic versioning uses exactly three numbers: MAJOR.MINOR.PATCH.

Semantic versioning has a strict format of three numbers only; additional numbers violate the specification.

Practice

Try it

4 quick exercises

Pick the most natural phrasing

1. Your library introduced a backwards-compatible feature. What version number should you use?

Complete the sentence

2. We must _______ to inform users about what changed in each release.

Spot the mistake

3. Which statement about semantic versioning is incorrect?

Rewrite naturally

4. Rewrite this in natural tech English: 'Our version system uses numbers to show what kind of change happened, like if we added new features or broke things.'

Say it out loud

Phrase 1 of 3

"We use semantic versioning for all our releases."

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More about semantic versioning

Real examples(3)

  • in a standup

    "We fixed a critical bug, so we're releasing 3.2.1 according to semantic versioning standards."

  • in a code review

    "Since this introduces a breaking API change, it should be semantic versioning 4.0.0, not 3.1.0."

  • in a team meeting

    "Our library strictly adheres to semantic versioning, so users know exactly what to expect when updating."

More mistakes(2)

Handle with care. Often abbreviated as SemVer; do not confuse with simple version numbering. Semantic versioning follows a specific MAJOR.MINOR.PATCH format with defined meaning, not arbitrary numbering.

  • ✕We bump the minor version whenever we add a breaking change.
    ✓We bump the major version whenever we add a breaking change.

    Breaking changes require a major version bump by semantic versioning rules; minor is for backwards-compatible features.

  • ✕Semantic versioning means we can use any numbering system we want.
    ✓Semantic versioning is a strict standard with defined rules for MAJOR, MINOR, and PATCH increments.

    Semantic versioning is a specific specification, not just any versioning approach.

Other forms(3)

  • semantic versioning noun

    "The project adheres to semantic versioning guidelines."

  • semantic version noun

    "The semantic version for this release is 2.1.0."

  • follow semantic versioning verb

    "We follow semantic versioning to ensure predictable updates."

Often used with(4)

  • adhere to / follow semantic versioning · Used to say a project uses semantic versioning consistently
  • semantic versioning standard · Refers to the formal specification and rules of semantic versioning
  • semantic versioning guidelines · The principles or best practices for implementing semantic versioning
  • break semantic versioning · Used when a version number violates semantic versioning rules

Similar words(2)

  • SemVer · Abbreviation for semantic versioning; more casual but widely used in tech
  • version numbering · General term; less specific and does not imply the semantic structure

Opposites(2)

  • arbitrary versioning
  • random version numbering

Questions(5)

What does semantic versioning mean in software engineering?
Semantic versioning is a standardized way to version software using three numbers (MAJOR.MINOR.PATCH). MAJOR is incremented for breaking changes, MINOR for backwards-compatible new features, and PATCH for bug fixes. This allows users and developers to understand the impact of updating to a new version.
How do you use semantic versioning in a sentence at work?
You might say: 'We follow semantic versioning, so users know they can safely upgrade to 1.5.0 without code changes.' Or in a meeting: 'This is a breaking change, so it requires bumping to 2.0.0 per semantic versioning standards.'
Is semantic versioning formal or informal?
Semantic versioning is neutral to formal. It is a technical standard widely used in professional software development. In conversation, developers often abbreviate it as SemVer in casual contexts, but the full term is used in documentation and formal discussions.
Why is semantic versioning important?
Semantic versioning is important because it communicates risk to users of your library or API. When version numbers follow semantic versioning, developers can automatically or safely update dependencies without worrying about unexpected breaking changes. It is crucial for package managers and dependency management.
What is an example of semantic versioning?
An example progression might be: 1.0.0 (initial release), 1.1.0 (new feature added), 1.1.1 (bug fix), 2.0.0 (breaking change like removing an API endpoint). Each number increment has a specific meaning.
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