If you are really tired of OGM's work in the next couple of weeks, you can work on this.
Write a script integrated with the release to read and build the release notes via JIRA's REST API.
Today we manually use the release notes page of JIRA but it lacks the ability to customize the templates (in the SaaS version of JIRA at least). We would like it to be more like this
Where the intermediary element is the component name.
Note that if we could eliminate the Sub-Task category and use the parent's issue category that would be nicer. Sub-Task is meaningless to the user.