NOTE: This suggestion is for JIRA Server. Using JIRA Cloud? See the corresponding suggestion.
JIRA doesn't connect Epics with their child issues in the Time Tracking report. The relationship between Issues and their sub tasks are shown.
Allow for this relationship to be shown in the report.
Sum story points or hour estimates for any epic links
As an Admin, I would like the Time Tracking Report to relate between the epic and its child stories