I moved a few dozen issues from a classic jira software project to a newly created next-gen project. When adding a flag to an issue, the red/orange coloring to signify it's flagged does not persist. If you refresh, it's gone. If you open the issue, the flag is still there.
Additionally, a jira filter in confluence (project = NCN AND status = "in progress" AND Flagged is not EMPTY) which used to bring up the flagged issues, no longer brings up any flagged issues.
Anyone else experiencing an issue with flagging? This seems to only apply to this project. I've tried other next-gen projects and those seem to work fine. Must have something to do with transferring all these issues.