Version 1.2.x
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* Bug
 * Validation: The locale context doesn't been included when rendering a field. fixed.
 * FormField: The 'name' property value may lose in some conditions. fixed.
 * InputBase: The 'onFocus' and 'onBlur' events are triggered multiple times. fixed.

* Improvement
 * GridColumn: Add 'hidden' property.
 * GridColumn: Optimize the filtering logic.
 * TimePicker: Add 'hour24' property.

Version 1.2.0
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* Bug
 * Tooltip: The 'ref' of child component can't be defined. fixed.
 * Messager: The message button can't get focus when then message window is open. fixed.
 * ComboTree: The 'text' doesn't change when the 'value' is updated. fixed.

* Improvement
 * Migrate to new context API.
 * CheckBox: Allow to toggle the 'checked' state by pressing the spacebar.
 * RadioButton: Allow to toggle the 'checked' state by pressing the spacebar.
 * DataGrid: The third parameter 'order' can be used in the customized 'sorter' function.
 * DataGrid: Add 'expandField' property.
 * ComboBase: The combo components will get focus again after closing the drop-down panel.
 * Tree: Add 'dnd' property.
 * MessagerDialog: The MessagerDialog component is exported.
 * ListBase: Add 'pageFilter' property.
 * Tabs: The 'tool' property is available to add a toolbar to the tabs header.
 * GridColumn: Add 'hcellCss' property.
 * DateBox: Add 'buttons' property to custom the buttons.
 * InputBase: Add 'autoHeight' property.
 
Version 1.1.0
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* Bug
 * SideMenu: The menu doesn't refresh when the 'data' property is changed. fixed.
 * Dialog: The mask layout doesn't be destroyed when removing a Dialog. fixed.
 * VirtualScroll: The blank page will appear when the data amount is less than the page size. fixed. 
 * dateHelper: The 'parseDate' method doesn't parse a date normally in some case. fixed.

* Improvement
 * GridBase: Add column moving and resizing features.
 * GridBase: Add 'onRowValidate' event.
 * DataGrid: Add 'scrollTo' method.
 * Tree: The 'disabled' property is available for the nodes.
 * Layout: The expander panel is available when collapse a panel.
 * Layout: Add resizing events.
 * SideMenu: Add 'showCollapsedText' property.
 * Form: Add 'floatingLabel' property.
 * TimeSpinner: 12 hour format feature is supported.
 * DateBox: Add 'calendarOptions' property.
 * ComboBox: Add 'renderItem' function to render a row.
 * Dialog: Add 'onMove' and 'onResize' events.
 * GridColumn: Add the 'defaultFilterOperator' property.
 * TreeGrid: Add 'doFilter' method.
 * CheckBox: Add 'tabIndex' property.
 * RadioButton: Add 'tabIndex' property.
 
* New Components
 * FormField: The form field that contains a label and a inputing box.