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+## v3.4.0
+
+_Released June 27, 2018._
+
+**42 bug fixes and improvements**
+
+* In AvalonDock, Deserialization using a StringReader no longer throws an exception.
+* In AvalonDock, when no LayoutDocumentPane is defined, auto-hiding a LayoutAnchorable no longer automatically docks it to the right.
+* In AvalonDock, the NavigatorWindow now accepts the Tab key to select LayoutAnchorable or LayoutDocument items.
+* In AvalonDock, using Ctrl + Tab to select a new LayoutAnchorable/LayoutDocument now properly sets the focus on the selected item.
+* In AvalonDock, docking a LayoutAnchorable in a LayoutDocumentPane now shows its close button.
+* In AvalonDock, the orientation of the RootPanel is now correctly set after de-serialization.
+* In AvalonDock, deserializing no longer makes the LayoutDocuments icons disappear.
+* In AvalonDock, serializing with hidden LayoutAnchorables no longer causes a crash.
+* In AvalonDock, LayoutAnchorables no longer remain hidden after calling LayoutAnchorable.Show().
+* In AvalonDock, LayoutDocumentPanes are now hidden when all its children become invisible.
+* In CheckComboBox, 2 new events will now be raised (Opened/Closed) when the popup is opened/closed.
+* In CheckListBox/CheckComboBox, the Command property will now be raised for every item selection/unselection, even if the item was never displayed.
+* In CheckListBox/CheckComboBox, the ItemSelectionChanged event will now be raised for every item selection/unselection, even if the item was never displayed.
+* In CheckComboBox and CheckListBox, a “Select All” option will now be supported.
+* In CheckListBox/CheckComboBox, removing a selected item will now also remove it from the SelectedItems collection.
+* In CollectionControl, the new properties PropertiesLabel and TypeSelectionLabel are now available to customize the layout labels.
+* In CollectionControl, selecting a new ListBoxItem after editing a PropertyItem from the PropertyGrid will now correctly select the clicked ListBoxItem.
+* In CollectionControl, the new “Duplicate” button will now be available to clone a ListBoxItem.
+* In CollectionControl, when the DisplayName attribute is defined for a user object, it will now be used as the object name in the ComboBox and ListBox.
+* In DataGridControl, using a filter predicate on a DataGridCollectionView will now correctly filter items.
+* In DataGridControl, updating an item in code-behind will now correctly display the modification in the DataGridControl.
+* In DataGridControl, DataGridVirtualizingQueryableCollectionView will no longer throw exceptions.
+* In DataGridControl, using a TableView will no longer throw an exception.
+* In DataGridControl, the shared theme resource dictionary uri creation will now provide the full assembly information to load the system themes.
+* In DateTimeUpDown, DateTimePicker and TimePicker, incrementing or decrementing the value with the spinner buttons will now act on the selected date part.
+* In NumericUpDowns, the new property MaxLength will now be available to set the maximum number of characters that can be entered.
+* In PropertyGrid, dictionary items will now be displayed as expandable objects when setting the property IsExpandingNonPrimitiveTypes to true.
+* In PropertyGrid, numeric up down editors will now display a red border when the value cannot be converted.
+* In PropertyGrid, the ItemsSourceAttributeEditor will now be disabled when the associated propertyItem is read only.
+* In PropertyGrid, opening a CollectionControl editor will no longer crash when the items of the Collection contains List properties.
+* In PropertyGrid, defining EditorDefnitions will now apply them to the custom editors of the CollectionControl’s PropertyGrid.
+* In PropertyGrid, the Name column resizing thumb will no longer be draggable passed the PropertyGrid’s width.
+* In PropertyGrid, the propertyItem’s “Reset” option will now be disabled when clicking on an advanced options icon from a propertyItem where its value is equal to its default value.
+* In PropertyGrid, the “Reset” option from the advanced option icons will no longer be disabled at startup.
+* In PropertyGrid, when the ShowAdvancedOptions property is true, clicking an advanced option icon to reset its associated propertyItem’s value will now reset the correct value.
+* In PropertyGrid, the propertyItem’s advanced option icons will now be updated when the PropertyItem’s value is different from its default value.
+* In PropertyGrid, resetting a propertyItem to its default value will now correctly update its value.
+* In PropertyGrid, the new property IsScrollingToTopAfterRefresh is now available to prevent or force a scrolling to top after a refresh of the PropertyItems.
+* In PropertyGrid, when the IsReadOnly property is true, the copy to the clipboard of numeric/text values will now be available.
+* In PropertyGrid, when the IsReadOnly property is true, the propertyItems with a CollectionEditor will no longer get blocked from viewing their content.
+* In TimelinePanel, the new property VisibleElements is now available to query the date elements in the order they appear.
+* In TimeSpanUpDown, deleting a time part will no longer cause a crash.
+* All the controls contained in the Nuget packages now check for a valid license key (entered manually or in registries)
+
+## v3.4.0 Plus Edition
+
+_Released to registered users of the Plus Edition on June 5, 2017._
+
+**51 improvements and bug fixes**
+
+* 42 improvements and bug fixes from the free edition (see above)
+* In AvalonDock, theming for Windows10 will now be possible through MergedDictionaries.
+* In AvalonDock, LayoutDocuments now have the possibility to be ‘pinned’ in a LayoutDocumentPane.
+* In Chart, the axis will now include a tick for the maximum value of a series.
+* In CheckCombox (themed for Windows 10), setting the IsEnabled property to false no longer causes a crash.
+* In ListBox, doing a large scrolling with an async data source provider, containing a CanCount property set to False, will no longer cause a crash.
+* In MaterialProgressBarCircular, modifying the IsIndeterminate property will now stop/play the circular animation properly.
+* In MultiCalendar, when used in a Grid, the calendars will now be correctly displayed.
+* In MultiCalendar, setting the SelectedDate to null will no longer cause a crash.
+* In ToggleButton themed under Windows10, the padding will now be applied.
+
+## v3.5.0 Plus Edition
+
+_Released to registered users of the Plus Edition on Sept 12, 2017._
+
+**29 improvements and bug fixes**
+
+* In ListBox, dragging a ListBoxItem over a non-visual control will no longer throw an exception. (Plus Only)
+* In MaterialComboBox, the new DropDownContentBackground property is now available to customize the background of the popup. (Plus Only)
+* In MaterialDropDownButton, the DropDownContentBackground property will now update the popup background. (Plus Only)
+* In PropertyGrid, the UI will no longer freeze when adding/removing selected objects, and performance optimizations will now improve the response time for common property searches. (Plus Only)
+* In AvalonDock, dropping a LayoutDocument or LayoutAnchorable from a DockingManager to a nested DockingManager will no longer be allowed.
+* In AvalonDock, changing the theme while a Layout floating window is active will no longer cause a crash.
+* In AvalonDock, setting a Background on an implicit style for a LayoutAnchorSideControl will now work.
+* In AvalonDock, side panels will now be extended to the DockingManager's control limits.
+* In AvalonDock, the Alt key adornments will now work when items are defined in a DataTemplate of a resource dictionary.
+* In AvalonDock, the new CreateFloatingWindow method will now be available to create a new LayoutAnchorableFloatingWindow or LayoutDocumentFloatingWindow with a content that can be immutable.
+* In AvalonDock, modifying the content of a floating window will now resize the window according to its SizeToContent property.
+* In AvalonDock, auto-hiding a LayoutAnchorable will no longer anchor it on the opposite side.
+* In AvalonDock, re-ordering LayoutAnchorable TabItems will no longer cause a crash.
+* In AvalonDock, the new LayoutAnchorable.CanDockAsTabbedDocument property is now available to prevent docking a LayoutAnchorable in a LayoutDocumentPane.
+* In AvalonDock, the new LayoutDocument.CanMove property is now available to prevent moving a LayoutDocument.
+* In AvalonDock, auto-hidden LayoutAnchorables will now be draggable to a floating window.
+* In AvalonDock Metro Theme, un-selecting a LayoutAnchorable will no longer create a jump of 3 pixels.
+* In AvalonDock, opening an auto-hide window while the "Visual Studio UI Debugging Tools for XAML" is enabled will no longer cause a crash.
+* In ColorCanvas, using the keyboard up/down keys will now move the vertical slider thumb faster.
+* In ColorCanvas, the vertical slider thumb will now be easier to hit with the mouse.
+* In ColorPicker, the color spectrum will now be visible in the Advanced tab.
+* In DateTimeUpDown, pressing the escape key will now reset the text to the last valid value.
+* In DateTimeUpDown, DateTimePicker and TimeSpanUpDown, incrementing a datetime part containing special characters will no longer cause a crash.
+* In PropertyGrid, when a custom editor is defined, its IsReadOnly and IsEnabled properties will no longer be overwritten.
+* In PropertyGrid, setting the SelectedObject to null will now remove all propertyItems.
+* In RangeSlider, clicking on the track will now move the associated thumb by "Step" value.
+* In SplitButton, the tab key can now be used to navigate to the toggle button inside the SplitButton.
+* In SplitButton, setting a transparent BorderBrush will now remove the border brush.
+* In TimeSpanUpDown, the new ShowDays property can now be set to false to hide days and display hours greater than 24h.
+
+## v3.6.0 Plus Edition
+
+_Released to registered users of the Plus Edition on January 15, 2018._
+
+**New control**
+
+* ExtendedTabControl: Displays TabItems in a single line and offers right/left buttons for scrolling, and a ComboBox to navigate to a specific TabItem.
+
+**40 improvements and bug fixes**
+
+* In ListBox, removing a ListBoxItem will no longer cause an exception relative to an unknown size. (Plus Only)
+* In MaterialButton, the disabled state will now be visible when a background has been set. (Plus Only)
+* In MaterialTabControl, modifying the TabStripPlacement after the control is loaded will no longer cause a crash. (Plus Only)
+* In UI Automation, the WatermarkTextBox now uses the Value pattern for the Text part. (Plus Only)
+* All controls now include the Toolkit icon in the Visual Studio Toolbox.
+* In AvalonDock, resizing a LayoutAnchorable when its DockWidth property is set to "Auto", will no longer cause a crash.
+* In AvalonDock, null checks will now prevent crashes when creating the View.
+* In AvalonDock, selecting a new LayoutAnchorableTabPanel from an auto sized width panel, will no longer undock the LayoutAnchorableTabPanel.
+* In AvalonDock, LayoutContent.ContentID is now a bindable dependency property.
+* In AvalonDock, loading a saved DockingManager containing LayoutAnchorableFloatingWindows or LayoutDocumentFloatingWindows will no longer cause a crash.
+* In AvalonDock, setting the DockWidth or DockHeight of a LayoutAnchorablePane or LayoutDocumentPane will now correctly adjust the size of the panes.
+* In AvalonDock, floating windows will no longer have blurry buttons.
+* In AvalonDock, modifying the theme will now update the side anchored items.
+* In AvalonDock, to improve the performance when the LayoutGridControl is initialized, children are now updated only for DirectChildren changes.
+* In AvalonDock, LayoutAnchorablePanes now have the possibility to be docked in a LayoutAnchorableFloatingWindow, when hosted in a WinForm.
+* In AvalonDock, when the last LayoutDocument is removed, the DockingManager.ActiveContent will no longer have a reference to this last removed LayoutDocument, to prevent a memory leak.
+* In AvalonDock, the DockingManager.LayoutItemTemplate property will now be applied to LayoutAnchorable controls.
+* In AvalonDock, the properties DockMinWidth and DockMinHeight are now correctly serialized.
+* In AvalonDock, using frame navigation with LayoutAnchorableFloatingWindow will no longer cause a crash.
+* In Calculator, the default Foreground color will now be set to black to make sure its DisplayText value is visible.
+* In CollectionControlButton, the new CollectionUpdated event will now be raised when an item is added, removed, moved or modified in the collection.
+* In CollectionControlDialog, using Shapes will no longer throw exceptions.
+* In ColorPicker, new properties are now available to customize the drop down popup.
+* In ColorPicker, the AdvancedButtonHeader property is now named AdvancesTabHeader, and the StandardButtonHeader property is now named StandardTabHeader.
+* In DateTimeUpDown, DateTimePicker and TimePicker, the new AutoClipTimeParts property is now available to clip hours over 24 and minutes/seconds over 60.
+* In DateTimeUpDown, DateTimePicker and TimePicker, when using a format containing single quotation marks, the value entered will now be correctly parsed.
+* In DateTimeUpDown, DateTimePicker, TimePicker and MultiCalendar, the DateTime.MinValue and DateTime.MaxValue will now work for all Calendar types.
+* In MaskedTextBox, the GetIsEditEmpty method will no longer crash when the View becomes null.
+* In PropertyGrid and NumericUpDowns, the editors for unsigned values (uint, ulong, ushort and sbyte) is now public.
+* In PropertyGrid, the new PropertyNameLeftPadding property will now be available to modify the spacing on the left of each property name.
+* In PropertyGrid, the new CategoryGroupHeaderTemplate property will now make it possible to customize the category headers.
+* In PropertyGrid, moving the mouse over numeric propertyItems will no longer move up and down, or make other propertyItems blurry.
+* In PropertyGrid, the mouse wheel will now work when the mouse is over a sub property of an expandable property.
+* In PropertyGrid, PropertyDefinitions are now a bindable dependency property.
+* In PropertyGrid, when using an attribute editor which is located in another assembly, the propertyGrid no longer throws exceptions and will now cache the used editors.
+* In PropertyGrid, the default value attribute of a property will no longer overwrite a value set by the user at initialization.
+* In RichTextBoxFormatBar, the bar will now always appear in its parent RichTextBox.
+* In TimePicker, when defined in a DataTemplate, binding errors relative to the IsOpen property are no longer thrown.
+* In TimeSpanUpDown, entering an hour value greater than 24, or a minutes/seconds value greater then 60, will now correctly update the time value.
+* In Zoombox, exceptions will no longer be thrown when the viewFinderDisplay.AvailableSize is empty.
+
+## v3.7.0 Plus Edition
+
+_Released to registered users of the Plus Edition on June 18, 2018._
+
+**27 improvements and bug fixes**
+
+* In AvalonDock, the new CacheDocumentTabItems property from DockingManager will now prevent the LayoutDocumentPaneControl from reloading the TabItems each time they get selected. (Plus Only)
+* In Chart, using bindings for the CustomRangeStart/CustomRangeEnd properties (from the Axis class), and modifying those values, will now properly update the Chart. (Plus Only)
+* In ExtendedTabControl, using a style based on TabControl will now work correctly. (Plus Only)
+* In MaterialTextField, loading the control with a Text and a Watermark will no longer create an overlap of text and watermark. (Plus Only)
+* In MaterialTextField, multi-line editing will now be supported when setting TextWrapping="Wrap". (Plus Only)
+* In PropertyGrid, reloading the PropertyGrid when many selected objects are used will no longer create a 'flash'. (Plus Only)
+* In PropertyGrid, when the IsScrollingToTopAfterRefresh property is false and many selected objects are used, refreshing the PropertyGrid will no longer scroll to the top. (Plus Only)
+* In AvalonDock, deserializing a maximized floating window will now display it on the correct monitor.
+* In AvalonDock, dropping a floating LayoutAnchorable will no longer cause an exception when its IsActive property is set before the LayoutAnchorable is added to its parent.
+* In AvalonDock, resizing a floating window containing a LayoutAnchorable or LayoutDocument will now correctly adjust its children's size to fit this floating window's size.
+* In AvalonDock, using a LayoutAnchorablePaneGroup with a specific DockWidth/DockHeight containing more than one child will now correctly display all its children.
+* In AvalonDock, using a Two-Way binding on DockingManager.ActiveContent will now be possible.
+* In AvalonDock, using LayoutDocuments with DataTemplates in Resources will no longer show an empty floating window when undocking them.
+* In AvalonDock, using the DocumentsSource or AnchorablesSource properties with static collections will no longer cause memory leaks.
+* In ByteUpDown, the default value for the property MaxLength will now be set to 3, limiting the maximum number of character entries to 3.
+* In CheckComboBox, using the keyboard to move or select items in the drop down will now be supported.
+* In CheckComboBox, when the IsEditable property is true and the focus is set on the control from code-behind, the focus will now appear on the TextBox of the CheckComboBox.
+* The ColorPicker and its DropDownBackground property will now work correctly under Windows 7.
+* In DataGrid, defining columns' FieldName with an IList indexer will no longer cause an exception.
+* In DataGrid, item drag and drop will now work correctly.
+* In DataGrid, scrolling horizontally when no ItemsSource is defined will now be possible.
+* In DateTimePicker and DateTimeUpDown, the CultureInfo.Calendar.TwoDigitYearMax property will now be read when 2 digits are used in the year formatting. This will offer the possibility to configure the 100- year range around which the 2-digit year will be built.
+* In MaskedTextBox, text input will now be possible when the mask starts with < or >.
+* In MaterialListBox and MaterialComBoBox, using the DisplayMemberPath property will now work like in a ListBox or ComboBox.
+* In PropertyGrid, modifying the IsReadOnly property (or a propertyItem's IsReadOnly property) will now update the corresponding editors.
+* In TimeSpanUpDown, selections, pasting, increments and movements have been reviewed and will now be more stable.
+* In TimeSpanUpDown, typing big values and replacing a colon with a number will now be supported.
+* In TimeSpanUpDown, when the property ShowDays is set to true, entering a value greater than 24 for the hours will now convert the value to the corresponding number of days.
+
+We hope you love this release and decide to support the project by getting a license to Xceed Toolkit Plus for WPF.
+-- Xceed Team
+
+-----
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