Explanation
By enabling this setting, the extension will NOT perform a periodic check to know whether a new version has been released.
By default, the extension will check for an update once a week.
Technicalities
Implementation
Inside the utils.js file, the checkForUpdates function is exposed to the other backgroud-facing scripts.
If this setting is enabled nothing is done; otherwise, finds the homepage_url from the manifest.json file and queries GitHub's API to check for new releases.