Louis

This WordPress Plugin removes the version number from the WordPress front end. This is important for security purposes as hackers will usually try to identify the current version number your site it running in order to take advantage of any security issues associated with that version.
Major features in WP Remove Version Number include:
<ul>
<li>Removes version number from scripts, styles, and rss feed.</li>
<li>No setup required!</li>
</ul>

WP Remove Version Number

License: GPLv2 or later WordPress plugin to remove the version number from the WordPress front end.

naganandhini

Removes WordPress version number , shortlink, wlwmanifest and RSD
A simple plugin to prevent people from knowing what version of WordPress you’re using via your HTML source and to cleanup the unwanted header tags generated by wordpress. 
Find more about the plugin here: http://www.naganandhini.com/remove-wp-version-and-shortlink-wordpress-plugin/

Remove WP version and shortlink

Removes WordPress version number , shortlink, wlwmanifest and RSD

WP Remove Version Number vs Remove WP version and shortlink