title: Electron AutoUpdate does not apply after restart. OSX
body: <p>My Code</p>
  
  <p><a href="https://github.com/mergeweb/electron-forge-updater-v6" rel="nofollow noreferrer">https://github.com/mergeweb/electron-forge-updater-v6</a></p>
  
  <p>I have an updater in place but when the app quits and restarts, the update is not applied. </p>
  
  <ol>
  <li>How can I debug this? </li>
  <li>Do you know where the updated file is downloaded?</li>
  <li>Does the update file have to be a dmg?
  
  <ol>
  <li>(Update) - <a href="https://github.com/electron/update-electron-app/blob/master/readme.md#what-kinds-of-assets-do-i-need-to-build" rel="nofollow noreferrer">Looks like the file does not have to be dmg.</a> </li>
  </ol></li>
  </ol>
  
  <p><a href="https://i.stack.imgur.com/ensuA.gif" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ensuA.gif" alt="enter image description here"></a></p>
  
  <pre><code>    const dialogOpts = {
          type: 'info',
          buttons: ['Restart', 'Later'],
          title: 'Application Update',
          message: process.platform === 'win32' ? releaseNotes : releaseName,
          detail:
              'A new version has been downloaded. Restart the application to apply the updates.'
      };
  
      dialog.showMessageBox(dialogOpts, response =&gt; {
          if (response === 0) autoUpdater.quitAndInstall();
      });
  </code></pre>