…ugh embedExceptions config.
minifiers/css.php, index.php: Ability of embedding css images and css imported files was added. minifiers/css.php: Duplicated urls (i.e. css sprites) will not be embeded for better performance. config.php: embed feature can be disabled in config file. config.php: Maximum file size of embedded files can be specified. .htaccess: bug fixed in removing Etag headers for static contents.