Remove the version number from pages and feeds

// remove version info from head and feeds
add_filter('the_generator', 'digwp_complete_version_removal');
function digwp_complete_version_removal() {
	return '';
}

Thanks digwp.com

Customizing WordPress Feeds | Digging Into WordPress

WordPress feeds enable your visitors to subscribe to your content for use in their favorite feed-reader. For example, subscribing to the main-posts feed…

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