QUESTION Do we need v=<?php echo get_site_version(); ?>

[Hypertexter]

Hello,

the header.php of Innovation theme calls the style.css with a version string:

Code:

<link href="<?php get_theme_url(); ?>/style.css?v=<?php echo get_site_version(); ?>" rel="stylesheet">

Is this function important for any purpose?

I would like to have public html which does not show immediately that I still have not updated GS to a newer version...

Thank you,
Hypertexter