This feature uses the bundled WhichBrowser library to identify some attributes of the browser that is used by your site visitor. Please make sure you are not using this data for unethical purposes and to request consent from the user if accessed and processed in a way that might be related to data protection regulations around the world.
Note: you do not need this feature to be enabled to collect browser/os/device data with Google Analytics. You may want to use this feature to pass such data towards other 3rd party systems or to limit certain tags in your Google Tag Manager container to only fire in specific browsers.
By enabling this feature, you can access the following data layer variables:
The name of the browser your visitor is currently using to view your site. Example values are: Chrome, Firefox, etc.
The full version number of the browser, including minor and build numbers. Example value could be: 48.0.2564.103 (this is an earlier Chrome version number)
The name of the engine your browser is currently using to render the webpage. For Chrome users this will be mostly Blink, for Firefox users Gecko, etc.
The version of the engine your browser is currently using to render the webpage.