That functionality is disabled by default. It can be enabled by switching off the "Save checklist data to Jira custom fields" toggle in Global Settings page. |
When "Save checklist data to Jira custom fields" option is enabled, then checklist changes are recorded in the user's Notifications area as presented on the screenshot:
Changes are tracked as the Issue Checklist user. If you would like to see a real user in the issue history, please visit the Checklist History tab. |