Target page: https://support.atlassian.com/jira-cloud-administration/docs/optimize-fields-in-your-project/

There are three conditions outlined for marking a field as Unused. However, in practice, “not used in workflows” and “not used in Forms” also exist as conditions. Therefore, it is essential to update the documentation to reflect these additional criteria.

Additionally, since some users find field optimization challenging, it would be helpful to include a link to Atlassian technical support in the explanation.