unfortunately, this is currently not possible. If a ticket has more than 5 comments, the app will show you the 5 latest ones (with the option to expand to see all). I know this is not the same as changing the order of the comments but maybe this helps to stay on top of everything?
Learn how to use two new reports for next-gen projects in Jira Cloud: Cumulative flow diagram and Sprint burndown chart. Ivan Teong, Product Manager, Jira Software, demos the Cumulative ...
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