If you want to create a checklist from the text that you copied to the clipboard then you can do it using Smart Checklist add-on!
...
You might have used this feature in Trello checklists, so now you can do the same in Jira.
...
| Tip |
|---|
You can also create checklist items keeping statuses if you use a text formatted with Smart Checklist Markdown support format. |
...
| Insert excerpt | ||||||||
|---|---|---|---|---|---|---|---|---|
|