Released: Mar 13, 2026

Updates in 25.1.4

Features

• Shared
  • Added the TrustedCodeService class that manages dynamic loading of types in a secure-by-default manner. This change may be potentially breaking for certain rarely used features, so it's important to review the related documentation for details.

Fixes

• Shared
  • Removed a MaxLines setter in EmbeddedTextBox's default style, as it seemed to cause a minor layout issue in some scenarios.

Released: Jan 22, 2026

Updates in 25.1.3

Features

• Updated PropertyModelStringFilter logic to only include category models via descendants and only include category editor models on Category match.

Fixes

Shared

• Fixed a rare exception that might be thrown from InfoBarPanel due to a negative calculated width of the center column.

Released: Nov 6, 2025

Updates in 25.1.2

Features

• Improved the rendering logic for tree lines.
• Updated TreeListBox.InvalidateChildren to retain the selection when possible.
• Updated TreeListBox logic for item searching by path.
• Updated TreeListBox selection logic for when an item is removed.
• Improved the crispness of rendered rectangles.

Fixes

• Fixed an issue where UserPromptBuilder would not properly size a user prompt if the startup location was configured as CenterOwner and the owner could not be resolved.
• Fixed an issue where an...

Released: Jul 31, 2025

Updates in 25.1.1

Features

Grids

• Updated the TreeListBox tree lines to scroll horizontally when appropriate.
• Updated the TreeListView header cell used for padding to not render a right-side border.

Shared

• Refactored ResizablePopupContentHost to facilitate virtualization in some scenarios.
• Updated UICommand*WindowText string resources to have underscores for menu item accelerator support, and added new UI*ButtonToolTip string resources for use with window title bar buttons.

Fixes

Shared

• Fixed an issue where Avatar...

Released: May 14, 2025

Updates in 25.1.0

Features

• All
  • Added .NET assembly targets for .NET 8.
  • Updated .NET assemblies to target .NET 6 instead of .NET Core 3.1.

Released: Mar 18, 2025

Updates in 24.1.5

Features

• Improved node multi-selection performance in a certain scenario.
• Improved node expansion performance in a certain scenario.
• Updated TreeListBox to focus itself if it was focused when the last selected item was removed.
• Updated TreeListBox to select dynamically-added items that are marked as selected.

Released: Dec 17, 2024

Updates in 24.1.4

Features

• Improved TreeListBox remove node logic and updated the Drag/Drop QuickStart's item adapter logic to reselect all moved items.
• Improved TreeListBox post-filter logic to restore the pre-filter selection if no selection changes were made while filtering.

Released: Sep 10, 2024

Updates in 24.1.3

Features

• Updated TreeListBox to not request bringing a tree node that is stopping editing into view.
• Updated context menus to support access keys.

Fixes

• Fixed an issue where inserting TreeListBox nodes when filtering was active could lead to the new node displaying in the wrong location.
• Fixed an issue where TreeListView tree lines could scroll horizontally when there were frozen columns.
• Fixed an issue where TreeListBoxItemAdapter.OnDragHover was passed the incorrect target item.

Released: Apr 24, 2024

Updates in 24.1.2

Features

• Updated TreeListBox nodes to use weak references when attaching PropertyChanged and CollectionChanged events for items.

Released: Feb 26, 2024

Updates in 24.1.1

Features

• Updated and added UIA peers for numerous controls to better support accessibility updates in .NET 8.
• API documentation is now based on assemblies that target Microsoft .NET 6 (previously .NET Framework).
• The Sample Browser application included with the installer will now multi-target .NET Framework 4.6.2 and .NET 6.
• Removed official support for Microsoft Visual Studio 2017 although users should still be able to continue using the IDE for their own applications. Sample Browser requires...