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Read this before adding custom fields to large Jira instances | by Gonchik Tsymzhitov | Exness Tech Blog | Medium
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Adding custom fields | Administering Jira applications Data Center and Server 9.0 | Atlassian Documentation
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Managing custom fields | Administering Jira applications Data Center and Server 8.17 | Atlassian Documentation
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Configuring custom field contexts | Administering Jira applications Data Center and Server 9.2 | Atlassian Documentation
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