2.0.0.0-dev52
* Better Navigation menu rendering due to improved Caching of Categories
* Added Magento\Filesystem\Directory and Magento\Filesystem\File to the library
* Various improvements:
  * Added a static test to check for incorrect dependencies in the library
  * Moved Magento\Core\Model\Theme to the Magento\View component
  * Moved Magento\Core\Model\Design to the Magento\View component
  * Consistent declaration of page-types
  * The Framework part of the Cache functionality moved out from modules
* Themes update:
  * Updated templates and layout updates in the Captcha, Customer, Newsletter, Persistent, ProductAlert, Wishlist modules; old files moved to the "magento-backup" theme
  * Refactored and removed duplicate Persistent module templates
  * Plushe theme made responsive
* Fixed bugs:
  * Fixed inability to print order, invoice, or creditmemo in the frontend
  * Fixed fatal error caused by the Mage_Backend_Block_System_Config_FormTest integration test
  * Fixed the broken link when the MAP feature is enabled and actual product price is set to be displayed in the shopping cart
* Moved the following methods from Core Helpers to the appropriate libraries:
  * Moved the Data Helper date format related functions to \Magento\Core\Model\Locale
  * Moved the Data Helper array decoration related functions to Magento\Stdlib\ArrayUtils
  * Moved the Data Helper functions that copy data from one object to another to \Magento\Object\Copy
2.0.0.0-dev53
* Moved general action-related functionality to \Magento\App\Action\Action in the library. Removed Magento\Core\Controller\Varien\Action and related logic from the Magento_Core module
* Moved view-related methods from action interface to \Magento\App\ViewInterface with corresponding implementation
* Moved redirect creation logic from the action interface to \Magento\App\Response\RedirectInterface
* Moved Magento\Core common blocks to the library
* Added reading of etc/integration/config.xml and etc/integration/api.xml files for API Integrations
* Various improvements:
  * Email-related logic from the Core and Adminhtml modules consolidated in the new Email module
* GitHub requests:
  * [#238](https://github.com/magento/magento2/pull/238) -- Improve escaping HTML entities in URL
  * [#199](https://github.com/magento/magento2/pull/199) -- Replaced function calls to array_push with adding the elements directly
  * [#182](https://github.com/magento/magento2/pull/182) -- By default use collection _idFieldName for toOption* methods.
  * [#233](https://github.com/magento/magento2/pull/233) -- Google Rich Snippet Code
  * [#339](https://github.com/magento/magento2/pull/339) -- Correcting 'cahce' typo in documentation.
  * [#232](https://github.com/magento/magento2/pull/232) -- Update app/code/core/Mage/Checkout/controllers/CartController.php (fix issue #27632)
* Fixed bugs:
  * Fixed JavaScript error when printing orders from the frontend
  * Fixed Captcha problems on various forms when Captcha is enabled on the frontend
  * Fixed "Page not found" on category page if setting "Add Store Code to Urls" to "Yes" in the backend config
  * Fixed Fatal error when creating shipping label for returns
2.0.0.0-dev54
* Modularity improvements:
  * Breakdown of the Adminhtml module:
     * Moved Newsletter, Report logic to the respective modules
     * Moved blocks, config, view, layout files of other components from Adminhtml folder to respective modules
  * Removed application dependencies from the library
* Move Magento\Core common blocks in the library
* Application areas rework:
  * Areas are independent from Store
  * Removed deprecated annotation from the getArea methods
* GitHub requests:
  * [#245](https://github.com/magento/magento2/pull/245) -- Resolve design flaws in core URL helper
  * [#247](https://github.com/magento/magento2/pull/247) -- Bug in Mage_Page_Block_Html_Header->getIsHomePage
  * [#259](https://github.com/magento/magento2/pull/259) -- Turkish Lira (TRY) is supported for Turkish members.
  * [#262](https://github.com/magento/magento2/pull/262) -- Update Rule.php
  * [#373](https://github.com/magento/magento2/pull/373) -- [Magento/Sales] Fixed typos
  * [#382](https://github.com/magento/magento2/pull/382) -- [Magento/Core] Fixed typos
  * [#304](https://github.com/magento/magento2/pull/304) -- Removed Erroneous closing "
  * [#323](https://github.com/magento/magento2/pull/323) -- InstanceController.php - made setBody protected
  * [#349](https://github.com/magento/magento2/pull/349) -- Move Mage_Catalog menu declaration into Mage_Catalog module.
  * [#265](https://github.com/magento/magento2/pull/265) -- Update Merge.php
  * [#271](https://github.com/magento/magento2/pull/271) -- Check Data should validate gallery information
  * [#305](https://github.com/magento/magento2/pull/305) -- Extra ", tidied up nested quotes
  * [#352](https://github.com/magento/magento2/pull/352) -- Add Croatia Country as part of European Union since 1st July 2013 for default european local countries in configuration
  * [#224](https://github.com/magento/magento2/pull/224) -- Tax formatting is locale aware and should not
  * [#338](https://github.com/magento/magento2/pull/338) -- Correcting SQL for required_options column
  * [#327](https://github.com/magento/magento2/pull/327) -- cart api bug fix & partial invoice credit memo divide by zero warning
* Themes update:
  * Old frontend (magento_demo) and backend (magento_basic) themes are removed
  * Updated templates and layout updates in the Bundle, Catalog, CatalogInventory, CatalogSearch, Downloadable, ProductAlert, Reports, Sendfriend modules
* Fixed bugs:
  * Fixed the error when  Magento cannot be reinstalled to the same database with table prefix
  * Fixed report Products in Cart
  * Fixed error on attempt to insert image to CMS pages under version control
  * Fixed order status grid so that you can assign state, edit, and view custom order status
  * Fixed Related Products Rule page so that category can be selected on conditions tab
  * Fixed Magento_Paypal_Controller_ExpressTest integration test so it is re-enabled
  * Fixed the bug with international DHL quotes
2.0.0.0-dev55
* Modularity improvements:
  * Session configuration moved to library
  * FormKey logic was moved from Session
  * SessionIdFlags from Session was removed
  * Move Page logic to the Theme module and library
* Created integration module UX
* Created authorization service (Magento_Authz module)
* Fixed bugs:
  * Fixed the issue that prevented a customer group's shopping cart rules from applying properly to prices. The issue occurred when a customer was manually assigned to a customer group and automatic group assignment was enabled.
  * Fixed the bug with schema upgrade scripts not running after installation
  * Fixed the error with a blank page when user tries to get access to a restricted resource via URL (add Secret Key for URL set to "No")
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