New Feature Announcement
Global Checklists are currently in BETA and will be available in Issue Checklist for Jira ENTERPRISE once released. Contact our support team if you currently use Issue Checklist for Jira PRO would like to participate in the Beta.
If the Save checklist data to Jira custom fields global setting is enabled, then changes to the checklist will also be logged in the History tab of the Activities at the bottom of the issue. The history will show the changes as having been made by the Issue Checklist app.
If you would like the option to have Custom Fields integration enabled, but not have changes to the checklist recorded in the Jira history, please vote for this Atlassian issue.