Hi, this is possible. Please take a look at documentation page. In order to see diff revisions in a review you must use revision slider.
However, if you're looking for a way to see a diff per changesets, it is not possible at the moment. Feel free to raise feature request on jira.atlassian.com if you'd find such feature useful.
...word of mouth, so by 2016, we were working with several other entities on campus to implement Jira Service Desk . The Atlassian motto of “for every team” has really come true for us in this case. We...
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