Communicated in marketing asset :

    * AddonSync - Keep your addons in sync across multiple game installs and computers.

    * Addon BackBackup and restore addon settings, automatically. 

    * Better Security - The Curse Client is now digitally signed by VeriSign to ensure authenticity. Additionally, all client-to-server communication has been secured with HTTPS-level encryption. 

    * Better Searching - Search addons by name, category and author, instantly. 

    * UI Wizard - Create your own UI packs, and share them with your friends. 

    * New Scanning Technology - Checking for addon updates now only takes a couple of seconds, and uses a fraction of the CPU as version 3. 

    * Small Memory Footprint - The new client has been optimized to fit within a tiny 1 to 3 megabyte footprint (when idle) and 1 megabyte when trayed. 




Not communicated on marketing assets :

    * Addon Icons - All addons now have icons for better identification and visual feedback. 

    * Better Customization - Choose the information you want to see in your addons list, the number of simultaneous downloads and even your UI theme (two in beta, with more to come). 

    * Integrated Bug Reporting - To assist authors in identifying issues and handling feature requests, the new Curse Client now includes an integrated bug reporting module.