Inline comments is introduced since Confluence 5.7 but "page:comments" key unable to pull them.
Steps:
{report-on:page:comments}
{report-info:comment:body>body:text}
{report-on}
Results: only normal comments show up.
Expected Outcome: both comments displayed.
This has been shipped in Reporting version 6.9.0. https://docs.servicerocket.com/reporting/user-guides/recipes/spaces/list-all-comments-including-unresolved-inline-comments