2026 v1.1

Chart

Bug fixes

• [.NET] Fixed an issue where an exception occurred when the Sunburst control DataLabel.Position was set to Sides at design time.

FlexDiagram

Bug fixes

• [.NET] Fixed an issue where an error occurred when the FlexDiagram control was used in a project that referenced both the FlexDiagram and GanttView packages.

FlexChart

Bug fixes

• [.NET] [.NET Framework] Fixed an issue where C1FlexPie data labels displayed incorrectly when PieDataLabel.Position changed from Circular to Sides.

• [.NET] [.NET Framework] Fixed an issue where SVG export rendered FlexChart data label text outside the label border when data label angle and border settings were applied.

• [.NET] [.NET Framework] Fixed an issue where SVG export did not preserve line breaks in FlexChart data labels when data label angle settings were applied.

• [.NET] [.NET Framework] Fixed an issue where axis labels were clipped when axis grouping was enabled.

• [.NET] [.NET Framework] Fixed an issue where cumulative histograms displayed an empty gap for bins with zero frequency.

• [.NET] [.NET Framework] Fixed an issue where FlexChart displayed incorrect axis label intervals when TimeUnit was set to Week.

GanttView

Bug fixes

• [.NET] Fixed an issue where a NullReferenceException occurred when resetting a task's Name property to null in the Tasks Collection Editor while C1GanttView was bound to C1PropertyGrid.

Grid

Breaking changes

• [.NET] Updated the default value of GridRow.AllowCustomCells to true so that unbound GridRow scenarios use text-rendered cells by default.

Bug fixes

• [.NET] Fixed an issue where row heights did not decrease after changing a column's width by using Change Column Width.

• [.NET] Fixed an issue where the AllowMerging property was not applied to GridGroupRow rows.

• [.NET] Fixed an issue where column alignment settings were not bound for GridGroupRow rows when WordWrap was enabled.

Input

Bug fixes

• [.NET] Fixed an issue where the drop-down list did not close when the C1ComboBox header was clicked and AutoComplete was set to false.

• [.NET] Fixed an issue where displayed items in C1ComboBox were not updated when DisplayMemberPath was changed at runtime following a selection.

• [.NET] Fixed an issue where C1ComboBox did not render selected values correctly when certain themes were applied.

ListView

Bug fixes

• [.NET] Fixed an issue where displayed items in ListView were not updated when DisplayMemberPath was changed at runtime following a selection.

Menu

Bug fixes

• [.NET] Fixed an issue where C1MenuItem did not update its icon when the IconTemplate property changed.

Ribbon

Bug fixes

• [.NET] Fixed an issue where C1ButtonTool items within a C1MenuTool did not reflect runtime changes to the IsEnabled property.

• [.NET] Fixed an issue where ToolStrip menu items did not reflect run-time changes to the IconTemplate property.