...
- copy-paste bullet point list of items from external list (issue Comment or Description, Trello, web page, MS Word, etc.),
- compiling a checklist in a favorite text editor before entering it into Jira.
- pasting checklist copied from another issue
...
and get the following checklist:
List characters support
New item field accepts items with list characters like dash -, star * and empty square brackets [] as well as completed square brackets [x]:
Checklist items status support
New item field accepts items with status defined:
Markdown support
New item field accepts Markdown and other formatting elements:
