<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/68748>68748</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [Notifications] notifications do not trigger until workflows are run
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            infrastructure
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          eric-k256
      </td>
    </tr>
</table>

<pre>
    When PRs from new submitters are created, the pr-subscribers-* notification comment is not created until someone with write permissions approves the GitHub workflow to run. 

I don't know if there is a way around this using workflows, but it leads to a situation where no one knows to run the workflow because the subscribers haven't been tagged/notified. 

See https://github.com/llvm/llvm-project/pull/68509 as an example, with the PR 10 hours ago, and no comment until just now when I clicked the 'Approve and Run' button in the GitHub UI.
</pre>
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