ComponentOne 2026 v1.2 Maintenance Release is Now Available

We are pleased to announce that the ComponentOne 2026 v1.2 maintenance release is now available. The updated packages are available through nuget.org and the ComponentOne Control Panel (web installer).

Ready to check it out? Download ComponentOne Today!

Read below for a quick cheat sheet on updating your local controls and to see what changes are included in the latest release.

• WinForms Improvements
• WPF Improvements
• WinUI Improvements
• Blazor Improvements

The next major release (2026 v2) is scheduled for early November 2026.

How to Update Local Packages from the C1ControlPanel

Download the latest ComponentOne Control Panel, or launch it again from your previous download location.

1. Select Products/Build Repository
2. Locate the .NET version of the controls and click Update
3. Select Update to latest version, or select the latest from the All builds dropdown.

WinForms 2026 v1.2 Improvements

• Improved the display of the sort and filter glyphs in FlexGrid’s header
• Added support for displaying tooltips in C1Label, C1Button, C1CheckBox, and C1RadioButton when the text was trimmed and the Trimming property was not set to None
• Added support for disposing of command bindings in C1Command and C1Input

See all WinForms 2026 v2.1 bug fixes and changes.

WPF 2026 v1.2 Improvements

• Added new SelectedIndexes property to C1ListView to obtain an array of indexes when multiple items are selected
• Improved page background styling by setting PageBackground for FlexViewer
• Improved UI automation support for C1.WPF.Ribbon

See all WPF 2026 v2.1 bug fixes and changes.

WinUI 2026 v1.2 Improvements

• Improved FlexChart plot rendering for range bar, pie, and radar charts
• Improved PDF rendering and blurriness when using C1PdfDocumentSource in FlexViewer
• Added new SelectedIndexes property to C1ListView to obtain an array of indexes when multiple items are selected

See all WinUI 2026 v2.1 bug fixes and changes.

Blazor 2026 v1.2 Improvements

• Added support for scrolling C1TreeView on touch devices and automatic scrolling when items are dragged between TreeView controls
• Improved drag-and-drop functionality in C1TreeView
• Improved keyboard input and focus issues with C1MultiSelect

See all Blazor 2026 v2.1 bug fixes and changes.

Ready to try it out? Download ComponentOne Today!

All Release History

You can find all other and past release history notes on the ComponentOne Releases page. Stay tuned for our next major release, 2026 v2, later this year!