The code to handle sending notifications about publishing a new issue is here:
The first line hints that an ugly (but potential) non-code workaround. You might be able to temporarily set the journal’s Distribution Access settings to “OJS will not be used to publish the journal’s contents online” while publishing each issue.
Related with this topic. I imported articles in the issue in OJS 3.0.2 but it is not visible in link Archive. How to be visible old issues in webpage Archive and current issue? The articles are imported via QuickSubmit plugin.
Each archived issue will need to be published in OJS, which means you will need to create an issue, assign the articles to each issue, enter the metadata, and hit the publish button. Some of that information you should be able to add when you submit via the QuickSubmit plugin.