On the deployment summary page, items with 'No difference' may appear in your deployment package, even if they were not selected for deployment. This is because sometimes Gearset will need to deploy additional metadata components to make a deployment work. 

For example, custom fields aren't actually their own metadata type, they're a subcomponent of a custom object. To deploy a custom field that was selected, Gearset needs to redeploy the parent custom object. Another example is when deploying field level security changes to profiles, the parent profile will also be included in the deployment.

'No difference' indicates that Gearset is redeploying metadata that Gearset has downloaded from the target of the deployment.

If you want to understand the changes that Gearset is about to make to the target of the deployment in more detail, you can download the deployment package from the deployment summary page and inspect its contents.

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