Translations:New Template System in LS3.x/47/en

It moves the CSS/JS files of a theme to a tmp/ sub-directory with a random string (eg: "tmp/1ef64ml/"). So if you make any change to a css/js file, and tell it to the asset manager, the files are copied to a new sub-directory with a new name so the user browser's cache is updated and they see the new css/js. Else, they would have to clean their browser cache.