Released: Mar 23, 2026

Updates in 25.2.111

Features

• Charts
  • Added OthersCategoryBrush and OthersCategoryOutline to DataPieChart.

Fixes

• Editors
  • UltraDateTimeEditor always select last month and date while changing the year and month respectively.
  • CheckEditor was unable to create a custom style using GlyphInfo.
• UltraToolbarsManager
  • Context menu does not show up in UI Automation's application tree if setting UIAutomationForCodedUITestingEnabled to false.
  • UltraToolBarsManager ApplicationMenu is not showing in WinForms designer.
• UltraGrid
  • Grid...

Released: Dec 14, 2025

Updates in 25.2.65

Features

• Added LabelFormatOverride event to TimeXAxisLabelFormat so you can now override the formatting with an event at all time-formatting levels on the TimeXAxis.

Fixes

• UltraDataChart
  • The scale set for IntervalType Ticks in TimeAxisInterval is not displayed.
  • 0.00001 scale tick marks are displayed overlapping each other.
  • AssigningCategoryStyle event support for Stacked Series.
  • When two or more DateTime values with the same value exist in the data source, they may not show in the same order as...

Released: Nov 30, 2025

Updates in 25.2.41

Features

• .NET 10 Support - As of version 25.2, the Ultimate UI for Windows Forms toolset supports .NET 10. Note, it no longer supports .NET 6 and .NET 7.
• Azure Map Imagery is now RTM.
• New Chart Features
  • Collision Detection for Axis annotations (Beta) - Added the ability for axis annotations to automatically detect collisions and truncate to fit better.
  • User Annotations Layer (Beta) - In Ultimate UI for Windows Forms, you can now annotate the UltraDataChart with slice, strip, and point...

Released: Oct 7, 2025

Updates in 25.1.100

Features

• Azure Map Imagery Support for UltraGeographicMap (Beta)
  • The UltraGeographicMap now supports Azure-based map imagery, allowing developers to display detailed, dynamic maps across multiple application types. You can combine multiple map layers, visualize geographic data, and create interactive mapping experiences with ease. Note: Support for Bing Maps imagery is being phased out. Existing enterprise keys can still be used to access Bing Maps, ensuring your current applications continue to...

Released: Jul 25, 2025

Updates in 25.1.63

Fixes

• UltraGrid
  • Wrong item was unexpectedly selected when dropdown list is opened at the cell which is not fully in the view at the bottom.
• UltraSpreadsheet
  • Formatting numbers was showing the wrong result with custom number format.
• Charts
  • DataTooltip background did not render correctly on multiple chart types.
• UltraListView
  • UseFlatMode = true combined with ThemedElementAlpha = transparent caused a width resize.
• UltraSplitter
  • UltraSplitter did not scale correctly with high-DPI settings...

Released: May 15, 2025

Updates in 25.1

Features

• UltraDataChart
  • Trendline Layer - The TrendlineLayer is a new series type that allows you to apply a single trend line per trend line layer to a particular series. This allows the usage of multiple trend lines on a single series since you can have multiple TrendlineLayer series types in the chart.
  • Data Legend and DataTooltip LayoutMode - The UltraDataLegend and DataToolTipLayer elements now expose a LayoutMode property that you can use to layout the legend in either a table or vertical...

Released: Feb 28, 2025

Updates in 24.2.27

Fixes

• UltraToolbarsManager
  • RibbonGroup elements take new keys after form designers change.
• UltraDoughnutChart
  • UltraDoughnutChart is causing a memory leak while adding series.
• UltraGrid
  • Cannot edit milliseconds within a DateTime column in the UltraGrid.
  • UltraGrid doesn't filter correctly when items contain a comma.
  • ArgumentNullException occurs when opening the grid in a dialog and having the mouse over it while it loads.
• UltraDataChart
  • ScatterLineSeries does not show the color of the line...

Released: Dec 20, 2024

Updates in 24.2

Features

• Microsoft .NET 9 Support - As of version 2024.2, the Ultimate UI for Windows Forms toolset supports .NET 9. With this release and per the Microsoft .NET lifecycle, Infragistics no longer support .NET 3.1, .NET 5, or .NET 7.
• Breaking Change - With the release of .NET 9, the Binary Formatter used by many save and load methods in the Ultimate UI for Windows Forms toolset has been removed by Microsoft.

Released: Sep 23, 2024

Updates in 24.1.57

Fixes

• General
  • Window sizing issues clipping text and options.
• UltraSpreadsheet
  • Cell value is not recalculated when a cell which is in a referenced range in a formula is updated.
• UltraDataChart
  • When the UltraDataChart is placed in a Form that is shown by ShowDialog(), closing it and the parent Form causes an ArgumentException.
  • Chart stops refreshing during real-time data update.
• UltraTextEditor
  • Buttons are duplicated when the control is extended.
• UltraValidator
  • NullReferenceException occurs at...

Released: Aug 9, 2024

Updates in 24.1.38

Features

• UltraDataPieChart - The UltraDataPieChart is a new component that renders a pie chart. This component works similarly to the UltraCategoryChart, in that it will automatically detect the properties on your underlying data model while allowing selection, highlighting, animation and legend support via the ItemLegend component.
• Data Legend and Data Tooltip Grouping - A new UltraDataChart grouping feature added. The property GroupRowVisible toggles grouping with each series opting in can...