this updater only includes compatibility with DW CC 2014.1, so if you are not effected by compatibility with DW CC 2014.1, you don't need to install the update.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.