Version 2.6.4

• Fix creating products with variations when "auto qty" is enabled (thanks mlocati)
• Fix missing Order notes on checkout page
• Allow filtering shipping methods by product groups (thanks mlocati)
• Replace legacy address formatting with Concrete's built-in address formatting (address format now matches country)
• Switch from magnific popup to photoswipe (thanks mlocati)
• Fix to display of 'on sale' when changing variant thanks mlocati)
• Multiple cleanups and optimisation (thanks mlocati)