version.htaccess

# BEGIN WordPress
<IfModule mod_rewrite.c>

#### Allow versioning for js and css files

RewriteEngine On
RewriteRule ^(.*)\.[\d]+\.(css)$ $1.$2 [L] # Strip out the version number

#### End Allow versioning for js and css files


RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress

Um den Rewrite auch für JS Dateien geltend zu machen, muss diese Dateiendung noch ergänzt werden:
RewriteRule ^(.*)\.[\d]+\.(css|js)$ $1.$2 [L] # Strip out the version number