2.0.0.0-dev56
* Fixed bugs:
  * Fixed placing order with PayPal Payments Advanced and Payflow Link
  * Fixed losing previously assigned categories after saving the product with changed category selector field
  * Fixed losing of a newly created category assignment after variations generation during Configurable product or Gift Card creation
  * Fixed the error in order placement with Recurring profile payment
* GitHub requests:
  * [#299](https://github.com/magento/magento2/pull/299) -- Fix for issue Refactor Mage_Rating_Model_Resource_Rating_Collection
  * [#341](https://github.com/magento/magento2/pull/341) -- Replacing simple preg calls with less expensive alternates
* Modularity improvements:
  * Layout page type config moved to library
  * Design loader moved to library
  * Theme label moved to library
* Themes update:
  * Reduced amount of templates and layouts in magento_plushe theme
  * Responsive design improvements
* Integrity improvements:
  * Covered all Magento classes with argument sequence validator
  * Added arguments type duplication validator
* Implemented API Integration UX flows:
  * Ability to create and edit API Integrations
  * Ability to delete API integrations that were not created using configuration files
* Removed System REST menu item and all associated UX flows:
  * Users, Roles, and Webhook Subscriptions sub-menu items were removed
* Removed the Webhook module
2.0.0.0-dev57
* Fixed bugs:
  * Fixed [MAP]: "Click for price" link is broken on the category page
  * Fixed tax rule search on the grid
  * Fixed redirect on dashboard if "Search", "Reset", "Export" buttons are clicked on several pages
  * Fixed switching user to alternate store-view when clicking on the Category (with Add Store Code to Urls="Yes" in the config)
  * Fixed printing Order/Shipping/Credit Memo from backend
  * Fixed 404 Error on attempt to print Shipping Label
  * Fixed duplication of JavaScript Resources in head on frontend
  * Fixed inconsistency with disabled states on Configurable product page in the Plushe theme
  * Fixed 3D Secure Information absence on Admin Order Info page
  * Fixed possibility to download or revert Backup
  * Fixed session fixation in user registration during checkout
  * Fixed fatal error during login to backend
  * Fixed inline translations in the Adminhtml area
  * Fixed partial refunds/invoices in Payflow Pro
  * Fixed the issue with ignoring area in design emulation
  * Fixed order placing with virtual product using Express Checkout
  * Fixed the error during order placement with Recurring profile payment
  * Fixed wrong redirect after customer registration during multishipping checkout
  * Fixed inability to crate shipping labels
  * Fixed inability to switch language, if the default language is English
  * Fixed an issue with incorrect XML appearing in cache after some actions on the frontend
  * Fixed product export
  * Fixed inability to configure memcache as session save handler
* GitHub requests:
  * [#406](https://github.com/magento/magento2/pull/406) -- Remove cast to (int) for the varch increment_id
  * [#425](https://github.com/magento/magento2/issues/425) -- Installation of dev53 fails
  * [#324](https://github.com/magento/magento2/pull/324) -- ImportExport: Easier debugging
* Modularity improvements:
  * Removed \Magento\App\Helper\HelperFactory
  * Removed the "helper" method from the abstract block interface
  * Layout page type config moved to library
  * Design loader moved to library
  * Theme label moved to library
  * Remaining part from Adminhtml moved to the appropriate modules. Adminhtml module has been eliminated
  * Core Session and Cookie models decomposed and moved to library
    * \Magento\Stdlib\Cookie library created
    * Session Manager and Session Config interfaces provided
    * Session save handler interface created
    * Session storage interface created, session does not extend \Magento\Object anymore
    * Session validator interface created
    * Session generic wrapper moved to library
    * Messages functionality moved from the Session model as separate component, message manager interface created
    * Sid resolver interface created to handle session sid from request
2.0.0.0-dev58
* Fixed bugs:
  * Security improved for the Login, Update Cart, Add to Compare, Review, and Add entire wishlist actions on the frontend
  * Removed warnings on category pages when Flat Catalog Category is enabled
  * Fixed product price displayed in wrong currency after switching currency on the frontend
  * Fixed the Save & Duplicate action in product creation
  * Fixed big image scaling in product description
  * Fixed admin dashboard styling issue
  * Fixed validation message for the Quantity field on the product page in the backend
  * Fixed the email template for sharing a Wishlist
  * Fixed the response of the drop-down menu in the Plushe theme
  * Fixed the missing Related Banners tab for Catalog Price Rule
  * Fixed inability to enable the duplicated product
  * Removed warnings on saving payment method configuration
  * Fixed gift messages displaying on the Order View page after admin edits
  * Fixed inability to create a new order status
  * Fixed the behavior of the Save and Previous and the Previous buttons on the Edit Review page
  * Fixed inability to delete a website if the number of websites is less or equal to two
  * Fixed Export on the All Customers page
  * Fixed inability to add products to the Shopping Cart from the Category page in Internet Explorer
  * Fixed logo on the backend login page
  * Fixed visual elements to indicate that Tax details can be expanded on the order creation page in the backend
  * Fixed the CMS page preview design
  * Fixed the newsletter template preview design
  * Fixed the Matched Customers grid design in the Email Reminder Rules
  * Fixed the theme version validation message displayed when creating a new theme
  * Fixed performance degradation during installation wizard execution
  * Fixed cron shell script
  * Fixed user login on the frontend, when the Redirect Customer to Account Dashboard after Logging option is set to No
  * Fixed errors in requests to shipping carrier (DHL International) when the shipping address contains letters with diacritic marks
  * Fixed invalid account creation date
  * Fixed displaying Product Alert links on product view page when the functionality is disabled
  * Fixed the absence of some bundle options when configuring a bundle product in the Shopping Cart on the frontend
  * Fixed the issue which allowed to view and cancel billing agreements belonging to another customer
  * Fixed the content spoofing vulnerability when Solr was used
  * Fixed a potential XSS vulnerability in customer login
  * Fixed RSS feed for categories containing bundle product(s)
  * Fixed inability to place an order with 3D Secure in Internet Explorer 10
  * Fixed inability to place an order with PayPal Payflow Link and PayPal Payments Advanced
  * Fixed integrity constraint violation in catalog URL rewrites
  * Fixed the absence of the error when a wrong website code is specified during a website creation
  * Fixed saving in the backend a new customer address, which contains new customer address attributes configured to be not visible on frontend
  * Fixed USPS shipping method in the checkout
  * Fixed placing orders with recurring profile items via PayPal Express Checkout
  * Fixed email template creation in the backend
  * Fixed the issue with default billing address being used instead of default shipping address during admin order creation
  * Fixed inability to choose DB as Media Storage
  * Fixed PHP issues found during the UI testing of the backend
  * Fixed shipping label creation for USPS Priority Mail Shipping methods
  * Fixed the issue which allowed to create customers with duplicate email
  * Fixed the abstract product block error in the tier price template getter
  * Fixed system message displaying in the backend
  * Fixed the "404" error on customer review page
  * Fixed autocomplete enabled on the admin login page
  * Fixed the 3D Secure iframe
  * Fixed the indicators of mandatory fields on the Package Extension page
  * Fixed product image scaling on the Compare Products page
  * Fixed product page design for products with the Fixed Product Tax attribute
  * Removed spaces between parentheses and numbers in the Cart, Wishlist, and Compare Products blocks
  * Fixed the message displaying the quantity for products found on the Advanced Search page
  * Fixed incorrect caching of locale settings and URL settings during web installation
  * Fixed inability to use a newly created store for admin user roles
  * Fixed absence of the Advanced Search field on the frontend, when the Popular Search Terms functionality is disabled
  * Fixed incorrect link to downloadable product(s) in the email invoice copy
  * Fixed customs monetary value in labels/package info for international shipments
  * Fixed importing for files with blank URL Key field on the store view level
  * Fixed table rate error message
  * Fixed frontend login without pre-set cookies
  * Fixed date resetting to 1 Jan 1970 after saving a design change in the admin panel in case date format is DD/MM/YY
  * Fixed CAPTCHA on multi-address checkout flow
  * Fixed view files population tool
* GitHub requests:
  * [#122](https://github.com/magento/magento2/pull/122) -- Added support of federal units of Brazil with 27 states
  * [#184](https://github.com/magento/magento2/issues/184) -- Removed unused blocks and methods in Magento_Wishlist module
  * [#390](https://github.com/magento/magento2/pull/390) -- Support of alphanumeric order increment ids by the quote resource model
* Themes update:
  * Responsive design improvements
* Improvements in code coverage calculation:
  * Code coverage calculation approach for unit tests was changed from blacklist to whitelist
2.0.0.0-dev59
* Fixed bugs:
  * Fixed invalid year in exception log errors
  * Fixed the double-serialization in saving data for shipments
  * Fixed an issue with adding a gift wrapping for multiple items
  * Fixed shipping labels generation for DHL
  * Fixed an issue with lost product price and weight during import
  * Fixed a fatal error when a file reference is added to the HTML head
  * Fixed an issue with printing orders containing downloadable product(s)
  * Fixed an issue with the 'Same as shipping' check box not being selected on the Review Order page for PayPal Express checkout
  * Fixed an issue with Email Templates preview showing a blank page
  * Fixed an issue with a refund creation from the PayPal side
  * Removed the occurrences of the non-existing Mage_Catalog_Model_Resource_Convert resource model
  * Fixed an issue with a coupon usage after applying it with multiple addresses
  * Fixed the Abandoned Cart emails sending
  * Fixed an issue where users with "Reorder" permission could not perform reorder
  * Fixed an issue with adding items from wishlist to the Shopping Cart with quantity increments enabled
  * Fixed an issue with the catalog_url indexer incorrect rewrites history for categories
  * Fixed an issue in saving an integration with a duplicate name
  * Fixed an issue when a customer could see someone's else reviews on the private Account Dashboard
  * Fixed an issue when a "New Theme" page was displayed as broken when trying to create a theme with incorrect "Version" value
  * Fixed an issue in saving an integration with XSS injection in the required fields
  * Fixed an issue with the Mini Shopping Cart when it contained virtual product
  * Fixed an issue in disabling the Shopping Cart sidebar
  * Fixed an issue when the "Adminhtml" cookie was not set when a user logged in to the backend
  * Fixed an issue when the "Persistent_shopping_cart" cookie was not set after customer's login
  * Fixed inability to publish products to Google Shopping
  * Fixed inability to download or revert the backup
  * Fixed inability to create a customer account when placing an order with a downloadable product
* Various improvements:
  * Disabled PHP errors, notices and warnings output in the production mode, to prevent exposing sensitive information
2.0.0.0-dev60
* Fixed bugs:
  * Fixed an issue with exceeding the memory limit when uploading very big images
  * Fixed an issue in moving a category when $afterCategoryId is null
  * Fixed an issue when products from a non-default website were not available as bundle items
  * Fixed an issue when orders placed via Authorize.net had the wrong statuses
  * Fixed an issue where orders placed via PayPal Express Checkout could not be placed if HTTPS was used on the frontend
  * Fixed a security issue with a user session during registration
  * Removed a CSRF vulnerability in checkout
  * Fixed an issue with JavaScript static testing framework not handling corrupted paths in white/black lists properly
  * Fixed an issue with Google Shopping synchronization
  * Fixed the contextual help tooltip design
  * Fixed an issue with the Authorize.net CC section UI on the Onepage Checkout page
  * Fixed UI issues on the order pages in the backend
  * Fixed UI issues in the backend for IE9
  * Fixed UI issues on the Edit Customer page in the backend
  * Fixed a UI issue with the image preview placeholder on the Edit Product page for IE9
  * Fixed UI issues with forms in the backend
  * Fixed UI issues with buttons in the backend
  * Fixed an issue with a product status after a virtual product was duplicated
  * Fixed a fatal error with attribute file from the customer account page in the backend
  * Fixed a security issue when CURLOPT_SSL_VERIFYPEER and CURLOPT_SSL_VERIFYHOST where used with improper values sometimes
  * Updated the field descriptions for Secure Base URL settings in the backend
  * Fixed an issue in product duplication for multiple store views
  * Consolidated several 3rd-party JavaScript libraries in the pub/lib directory, and fixed license notice texts to conform to the open source license requirements
* Service Layer implementation:
  * Implemented the initial set of services for the Customer module
2.0.0.0-dev61
* Introduced a new layout block attribute - cacheable
* Fixed bugs:
  * Fixed an issue with displaying configurable product images in shopping cart
  * Fixed an issue with Tax Summary not being displayed properly on the Order Review page
  * Optimized the Plushe theme CSS
  * Fixed attribute types for configurable product variations
  * Fixed an issue with incorrect link in the Reset Password email for customers registered on the non-default website
  * Fixed an issue with creating orders using DHL on holiday dates
  * Fixed product export
  * Fixed 3D secure validation
  * Fixed an issue with session being lost when a logged in user goes from store pages using secure URL to the store pages which do not use secure URL
  * Fixed an issue with price ranges in the Advanced search
2.0.0.0-dev62
* Modularity improvements:
  * Moved all Grouped Product functionality to newly created module GroupedProduct
  * Moved Multishipping functionality to newly created module Multishipping
  * Extracted Product duplication behavior from Product model to Product\Copier model
  * Replaced event "catalog_model_product_duplicate" with composite Product\Copier model
  * Replaced event "catalog_product_prepare_save" with controller product initialization helper that can be customozed via plugins
  * Consolidated Authorize.Net functionality in single module Authorizenet
  * Eliminated dependency of Sales module on Shipping and Usa modules
  * Eliminated dependency of Shipping module on Customer module
  * Improved accuracy and quality of Module Dependency Test
* Fixed bugs:
  * Fixed an issue when order was sent to PayPal in USD regardless of currency used during order creation
  * Fixed an issue with 404 error when clicking any button on a Recurring Billing Profile in the backend
  * Fixed an issue with synchronization with Google Shopping on product update caused by missed service property
  * Fixed ability to submit order in the backend when Authorize.Net Direct Post is used
  * Fixed an issue with notice that _attribute_set column is missing during Import/Export
* Removed the deprecated service-calls and data source functionality
* Request\Response workflow improvements:
  * Added Console\Response
  * Changed behavior of AppInterface to return ResponseInterface instead of sending it
2.0.0.0-dev63
* Modularity improvements:
  * Consolidated all PayPal-related logic in a separate module
  * Resolved dependencies on the Magento_GroupedProduct module
  * Added the ability to enable/disable/remove the Magento_GroupedProduct module without impact on the system
* Implemented the Oyejorge Less.php adapter
* Implemented the Less files importing mechanism
* Added the ability to configure certain cache frontend, and associate it to multiple cache types, thus avoiding the duplication of cache configuration
* Implemented the more strict format of array definition in the DI configuration:
  * Covered array definitions with XSD, and made the whole DI configuration validated with XSD
  * Added the ability to define arrays with keys containing invalid XML characters, that was impossible when keys were represented by the node names
* Fixed bugs:
  * Fixed an issue with missed image for a cron job for the abandoned cart emails
  * Restored the ability to configure cache storage in `local.xml`
  * Fixed an issue with the css\js merging functionality
  * Fixed an issue with customer selection on the order creation page
* AppInterface renamed to LauncherInterface
* Removed the reinit logic from the Config object
* Framework part of the "URL" functionality removed from modules
* Framework part of the "Config" functionality removed from modules
* Removed the deprecated EAV structure creation method from the EAV setup model
* Updated various PHPDoc with parameter and return types
* Indexer implementation:
  * Implemented a new indexer structure
* Refactored Web API Framework to support the Data Object based service interfaces
* Refactored controllers, blocks and templates of the Sales module to use Customer service
* GitHub requests:
  * [#275] (https://github.com/magento/magento2/issues/275) -- XSS Vulnerability in app/code/core/Mage/CatalogSearch/Block/Result.php
* Removed the outdated Customer service