Note: for diff see: https://github.com/atk4/atk4/compare/4.2.3...4.2.4

General:

• Added PSR-2 compliance to many core files. Will continue to improve other classes too.
• Added composer.json. Agile Toolkit can be installed through Composer now
• when calling setController, second argument can specify name or default options
• Security fixes in Logger
• added each() method (similar to jQuery) for model and dsql. Will execute specified callable for each row.
• added support for into templates
• api->addSharedLocation() is now called (if defined) by PathFinder before any locations are initialized
• added ApiInstall for building installers. For now undocumented as it might still change. Use with care.
• improved error outputting. Removed obsolete code and better highlight line which produced error
• improvements in Tester
• upgrade to jQuery 1.8.3 and jQuery UI 1.9.2
• added tools/getjq which automates bungling of jquery and jquery ui (also updates PHP)
• remove ability to debug models through GET argument
• improved support for nested namespaces, added PSR-0 compliance for pathfinder
• prevent readonly field from erasing field value
• added VirtualPage, allowing you to create separate blank page and display that instead. Useful in popups.
• added PHPCS sniff configuration for Agile Toolkit style validation (tools/phpcs)
• sql migration scripts now can output things with "select 'blah';" during migrations
• bug-fixes as usual

CRUD:

• CRUD is refactored using VirtualPage and new button. Now much more extensible and faster.
• CRUD->addRef() allow to drill into model's hasMany() relation through crud inside expander. Uses VirtualPage
• CRUD->addFrame() is a handy way now to create pop-up with some UI. Uses VirtualPage
• CRUD now shows better labels on buttons and dialogs (Add User instead of Add)
• allow_add, allow_edit, etc are now protected. Don't change them directly, specify through add() options.

NoSQL:

• severely improved handling of NoSQL models
• added MemCache support
• added Session support
• added loadBy and similar methods
• several bug fixes
• severily improved handling of NoSQL models
• added support for caching (addCache())

DSQL:

• group() supports expressions now
• casting DSQL to string executes getOne() instead of returning selecting
• above fix revelaed many minor bugs. fixed them.
• added dsql->fieldQuery(), similar to model->fieldQuery(). Will delete other fields and query only specified one
• dsql->sum() improved
• order() for DSQL and Models chaining rule changed. Last call to order() will now be the main sorting order. Calling order with multiple arguments behaves in same way
• expr("hello, [name]",array('name'=>'world')) is now properly supported. Currently does not escape, BUT WILL!

Model:

• will silently ignore incorrect join type (otherwise it's considered as table alias creating SQL errors)
• added Model_Table->tryDelete()
• added sorting and limit support for Model (non-relational)
• hasMany can now be aliased by specifying 4th argument, which is then used inside ref().

JS:

• changed scrolling behaviour and vertical sizing of frameURL / dialogURL
• fixed form's behaviors with shortened names
• improved icon-only button handling (uses text=false)
• checkboxes widget has 2 new methods - select_all and unselect_all

CSS and LESS:

• separated out mixing into atk4-mixins.less
• removed prefix (used to be 'ui-icon') from Button->setIcon().

Form:

• readonly fields are displayed with nl2br
• form->setLayout() also supports SMlite object (if you don't want to specify a file)

Views:

• see HTML produced by any view by calling view->debug()
• added Menu_jUI - jQuery-compatible menu
• added View_DropButton
• added View_Flyout
• menu URL can be jQuery_Chain now
• Quicksearch and Grid cleaned up
• CompleteLister total counting changed. instead of $totals['row_count'] use $total_rows
• Filter improved
• Grid's multi-value fields will now show value instead of key.
• Cleaned up model type => form field type associations in MVCForm
• setProperty() is now obsolete, so use setAttr()

Application:

• added ability to specify a different Logger class through $logger_class property
• added destroySession into ApiWeb

Removed obsoletes:

• removed Form_Field->setNotNull() use validateNotNull instead
• removed Form_Field->setDefault() and getDefault(), use set() / get()