If you are looking for Higher level, you can try Portfolio for JIRA plugin which has Initiatives/Epics/Story which when configured and pushed into JIRA you can have Sub-Task feature as well
If you are only looking in JIRA proper then the answer is "No" to your question.
Hi Atlassian community, My name is Max and I work on the product integration team at Atlassian. I am pleased to announce the early access program for the Jira Cloud add-in for Outlook. This add-in...
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