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Copy Versions section from 3.1.1-dev into 3.0.4-dev #3214

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Feb 15, 2024
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Copy Versions section from 3.1.1-dev into 3.0.4-dev #3214

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10 changes: 3 additions & 7 deletions versions/3.0.4.md
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Expand Up @@ -100,15 +100,11 @@ The available status codes are defined by [RFC7231](https://tools.ietf.org/html/

### Versions

The OpenAPI Specification is versioned using [Semantic Versioning 2.0.0](https://semver.org/spec/v2.0.0.html) (semver) and follows the semver specification.
The OpenAPI Specification is versioned using a `major`.`minor`.`patch` versioning scheme. The `major`.`minor` portion of the version string (for example `3.1`) SHALL designate the OAS feature set. *`.patch`* versions address errors in, or provide clarifications to, this document, not the feature set. Tooling which supports OAS 3.1 SHOULD be compatible with all OAS 3.1.\* versions. The patch version SHOULD NOT be considered by tooling, making no distinction between `3.1.0` and `3.1.1` for example.

The `major`.`minor` portion of the semver (for example `3.0`) SHALL designate the OAS feature set. Typically, *`.patch`* versions address errors in this document, not the feature set. Tooling which supports OAS 3.0 SHOULD be compatible with all OAS 3.0.\* versions. The patch version SHOULD NOT be considered by tooling, making no distinction between `3.0.0` and `3.0.1` for example.
Occasionally, non-backwards compatible changes may be made in `minor` versions of the OAS where impact is believed to be low relative to the benefit provided.

Each new minor version of the OpenAPI Specification SHALL allow any OpenAPI document that is valid against any previous minor version of the Specification, within the same major version, to be updated to the new Specification version with equivalent semantics. Such an update MUST only require changing the `openapi` property to the new minor version.

For example, a valid OpenAPI 3.0.2 document, upon changing its `openapi` property to `3.1.0`, SHALL be a valid OpenAPI 3.1.0 document, semantically equivalent to the original OpenAPI 3.0.2 document. New minor versions of the OpenAPI Specification MUST be written to ensure this form of backward compatibility.

An OpenAPI document compatible with OAS 3.\*.\* contains a required [`openapi`](#oasVersion) field which designates the semantic version of the OAS that it uses. (OAS 2.0 documents contain a top-level version field named [`swagger`](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md#swaggerObject) and value `"2.0"`.)
An OpenAPI document compatible with OAS 3.\*.\* contains a required [`openapi`](#oasVersion) field which designates the version of the OAS that it uses.

### Format

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