I also do not know about simplified integration.
There are some plugins that can link to Jira or read release notes, but most of them are not updated regularly.
What I could imagine in your case is using Jira and creating a maven plugin to accomplish what you want to do. Jira comes with a powerful remote API. This may work with trac, but I just don't know this tool so well. Thus, you can connect the device to create components in Jira (or remove them) or add versions. It might be interesting.
On the other hand, problem trackers also perform some kind of planning. And there is a gap between what is a logical component and what is a technical component or module maven. Usually they do not treat this well.
So, as you say: for initial setup this seems like an idea. But adding versions only when project changes are already a problem, often you plan new features for versions within a few months.
Not sure how practical this is: - /
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