Learn what's new across releases, with details of features, enhancements, and resolved issues.
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Xceed Toolkit Plus for WPF V5.2 (build 5.2.26322.84340)Jun 22, 2026
Features
Added a ChatControl, a XAML-definable chat UI for showing a conversation between a user and an assistant. You get customizable bubbles, corner radius, timestamps, a typing indicator, and an input area, which is enough to stand up an in-app support thread or an assistant experience without inventing the layout from scratch.
Added a WrapPanel view for ListBox. Until now ListBox could only stack its items in a single row or a single column. The new vertical or horizontal WrapPanel view flows items across lines or columns based on the container size.
On the AvalonDock side, routed commands now fire correctly when a LayoutAutoHideWindowControl contains a LayoutAnchorable, and the docking manager now resizes its children properly when its window is resized.
Xceed Toolkit Plus for WPF V5.1 (Build 5.1.26166.7861)Mar 15, 2026
Features
DateTimePicker
A new property, called AutoCloseCalendarOnTodayButton, can now be used to get or set if the calendar popup closes automatically when a user clicks on the Today button.
ChildWindow
The other non-modal ChildWindow will now become inactive when a new Modal ChildWindow is added.
PropertyGrid
The initial object's properties will no longer be reset to its default values when using a collection of T, where T is a derived class, and clicking the Cancel button while editing a property.
Fixes
The title of the floating window's taskbar now updates correctly when the LayoutContent's title changes.
RichTextBox
Special characters and symbols, such as Ø will now be rendered correctly.