List of available features

API - read/write checklist via Jira REST
Formatting
- Items formatting
- Header (separator)
- Markdown
- Due dates
- Emoji
- Mention/assign user
- Square Brackets (i.e. [ )
History
- Item most recent change
- Checklist full history
- Issue history
Single item
- Convert checklist item to Jira issue
- Description (details for checklist item)
- Optional items
- Issue keys as links with status and type of an issue
- Item status
  - Custom statuses
- Time and author of most recent change available in tooltip
- URLs automatically displayed as links
Multiple items
- Copy-Paste checklist items
- Copy checklist as YAML (obsolete)
- Paste multiline text (create several items at once)
- Hiding completed items
- Reordering items
- Splitting items into sections
- Toggling completion state of all items
Templates
- Applying a template manually
- Applying a template automatically
- Creating a template
- Managing templates
- Load template to existing issues
- Separate page for templates
- Applying templates based on labels
More Features
- Bulk apply checklist
- Clone checklist when issue is cloned
- Concurrent checklist editing
- Display checklist progress in Agile board and Search view
- Modify checklist on issue transition
- Notifications integration
- Display checklist on Create/Transition screen
Search (reports and JQL)
- Search basic (including JQL)
- Search advanced with JQL
Workflow (validators & post-functions)
- Block workflow transition if checklist is not complete
- Block workflow transition if mandatory items are not complete
- Block workflow transition if checklist has no items
- Block workflow transition using regular expression
- Complete items automatically
Custom fields
- Checklist Completed custom field
- Checklist Content YAML custom field (deprecated)
  - Checklist YAML format
  - Create YAML for a checklist (deprecated)
- Checklist Progress custom field
- Checklist Progress % custom field
- Checklist Template custom field
- Checklist Text custom field
  - Checklist Text format
- Migration guide for custom fields
Permissions
- Permissions for checklist
- Edit/View checklist by assignee only
- Permissions for templates
- Configure custom permissions
User mentions
- Find user mentions
- Email notifications for user mentions
Dashboard gadget - assigned items
Editor
Mobile app
Multiple checklists in a single issue
Entity Properties (issue)
Rename checklist
Service Desk view
Statuses