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Note

Only the sequence of the version chain is maintained: Swarm does not document change events, such as which operation caused the new version or that one is a restored version of another. 

All of the usual SCSP operations act on the current version, which is the most recently updated one, unless a previous version is mentioned on the request.

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  • Regular operations always act on the current version of the object.

  • Every version of each object — including a delete marker — is identified by its version identifier, which is its ETag value.

  • Operations that include the version query argument always act on the specific version alone, even the current version.

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Tip

If you get a an HTTP 404 Not Found or HTTP 400 Bad Request error when using the version query argument, this indicates that the context is versioning-disabled, which is the default if the versioning policy is still unspecified.

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Tip

If you decide to undo version control altogether, you can disable versioning in the domain or bucket, which triggers the Health Processor to clean up all of the residual prior versions. This feature is not available in Amazon S3.

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