on 19-Feb-2020, in /rest/api/2/issue/{issueKey}/?expand=renderedFields, I can extract the user key from Reporter and Assignee fields.
today I cannot find the key anymore from the api result. I'm not sure if there is an update from JIRA API to hide the key of user or I'm messing it up somewhere.
I'm looking for the advice from experts on this site.
Many thanks in advance.