Core:

• added new product option type "Label" for display only purpose
• minor improvement of core/lib/config.php related to cli-mode
• Added URL into error text when wrong key_param-key_value pair
• ahtml class fix related to https as plain store url
• added jpeg warning ignoring via ini_set into AImage class
• improved ExtensionsAPI class and extension settings page controller
• added iso_codes for weight and length classes
• AResource class minor improvement
• message-info controller minor fix related to hooks-call
• image url fix related to api-controllers. Now all urls will be without protocol (with // at the begin)
• Depricate Mcrypt and replace with OpenSSL
• Added CLI interface to run tasks
• minor fix of order class

Control Panel:

• New import Wizard with automatic and manual data mapping
• import/export improvements using tasks.
• import/export added schedule task
• import/export added logging for import with internal formatted file
• model/catalog/product fix related to product deletion
• default weights and length classes now predefined and cannot be deleted
• ALayoutManager minor improvement
• updater changes related to extension versions comparison
• Empty result set fix for listing grids
• report of purchased products improvement
• Initial install wizard modal fix

Storefront:

• Update to stock handling on products and options
• Google analytics JavaScript improvement
• New option type "Label" for display only purpose

Extensions:

• CardConnect new PCI validated payment
• Update Stripe for PCI validation
• Banner manager JavaScript fix related to seo url upgrade
• Fix for MarketPlace price display
• Royal Mail missing definitions
• Parcelforce notes update
• Weight Based shipping text update
• USPS add help notes
• UPS and Fedex text corrections
• Discontinue WorldPay support

Where to download AbanteCart 1.2.11? 

AbanteCart 1.2.11 can be downloaded at Github