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Version Management
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Read-only environments

When an environment is read-only, versions deployed to this environment will permanently become read-only. This configuration protects sensitive environments from accidental changes.

Version Zero is an exception to this rule and is always editable.

Production is a read-only environment by default. This means that any version associated with Production also becomes read-only. This configuration prevents another member of your account from accidentally editing the version associated with your live traffic. You can change this configuration by editing the environment.

For similar reasons, some organizations may make Staging a read-only environment. Otherwise, another member of your account could make changes to a version in Staging after your organization has performed the validation tests prior to promoting to Production. Without having a read-only Staging environment, this change could be released into Production without testing and might cause an issue with live traffic.

To change the read-only status of an environment, edit the environment.