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minor_changes:
  - vars plugins - Support vars plugins in collections by adding the ability to whitelist plugins.
  - host_group_vars plugin - Require whitelisting and whitelist by default.
  - Add a global toggle to control when vars plugins are executed (per task by default for backward compatibility or after importing inventory).
  - Add a per-plugin stage option to override the global toggle to control the execution of individual vars plugins (per task, after inventory, or both).