A date sets the due date; null clears it.
The whole assignee set, primary first. An empty array leaves the issue unassigned.
A parent issue code sets the parent; null makes it a top-level issue.
The whole label set, by id from GET /issue-labels.
Applies only to a top-level issue a person created; a sub-issue follows its parent.
IssueDetail
Open issues the key can read that block this one.
Markdown. An embedded file appears as capy-file:<fileId>, one of files.
endpoint added