Hide WordPress Version Plugin — WordPress.com

Removes the WordPress version string from:

The $wp_version global variable (frontend only)
Generator tag output (removed entirely)
‘Right Now’ admin dashboard widget (non-admins)
Admin dashboard footer (non-admins)
Scripts and stylesheets enqueued without a version declared
HTTP queries
XML-RPC responses
Pingbacks
Bloginfo() calls

Also removes the update notice in the admin for non-admins.