New features include:
Use of full php tags for all files
RSS feed for articles
Added Slovak and Czech languages
Addition of sorting by shipping order field within shipping methods
Set time limit for scripts when editing accessories, categories and related products
New fields - admin_id_added_by, admin_id_modified_by, date_added, date_modified for products and categories
Addition of priority_image, priority_rank, is_default fields into support priorities
Banners Management
Import/Export products options along with their prices
Add new fields date_added and date_modified to the products table
Allow to use different templates for products list for different categories
Use one set for Home Page for different layouts
Allow to encrypt credit card number and credit card security code
Add information about payment gateway and transaction number to the order details page
Fix in the USPS module to handle correctly countries with space in name like 'New Zealand'
Add stock control for product options values
Add downlodable settings for product options values
Add buying price for product options values
Add new discount type based on difference selling price and buying price
Easy change of secure site URL and it's settings
New payment gateway VeriSign Payflow Pro
To update your version please do the following:
1) Make a backup of all files in your current version
2)Make a backup of your current database
3)Rewrite all files from new version (except ones you've changed, e.g. templates,styles)
4)You should leave 'old' file /includes/var_definition.php
5)Run 'Administration > System > System Upgrade' - this should upgrade your database structure