Released: Mar 2, 2026

Updates in TeeChart for .NET 2026 (Build 4.2026.3.2)

Features

• Added a Rendered Increment property.

Released: Feb 6, 2026

Updates in TeeChart for .NET 2026 (Build 4.2026.2.6)

Features

• Added Tornado Chart series type:
  • Ideal for side-by-side comparisons and sensitivity analysis, clearly highlighting the relative impact of variables in a clean, intuitive layout.
• Added support for custom tools in Editor Tools list.

Fixes

• Legend scrollbar can incorrectly re-dimension.

Released: Nov 30, 2025

Updates in TeeChart for .NET 2025 (Build 4.2025.11.30)

Features

• New function type - Vapor Pressure Deficit (VPD)
  • Vapor Pressure Deficit is a function used to follow the relationship between temperature and humidity. Often used in horticulture where greenhouses can control the relationship between the variables.

Fixes

• Fixed issue where SurfaceNearest Tool can hide series colours under some circumstances.

Released: Jul 9, 2025

Updates in TeeChart for .NET 2025 (Build 4.2025.7.7)

Fixes

• Fixed issue where scrolling inverted legend positioned on top causes crash.
• Fixed issue where Sankey Series Labels in vertical orientation not correctly aligned.
• Fixed issue when clicking on a chart with a series on it - BeforeDrawSeries event is triggered and erases custom drawing.
• Fixed Axis zoom.

Released: May 7, 2025

Updates in TeeChart for .NET 2025 (Build 4.2025.5.7)

Fixes

• Fixed: TeeChart for Avalonia. Pie series not rendering sidewalls.

Released: Apr 1, 2025

Updates in TeeChart for .NET 2025 (Build: 4.2025.4.1)

Fixes

• Fixed: PointCurve smooth missing last point on curve.

Released: Feb 22, 2025

Updates in TeeChart for .NET 2025 (Build 4.2025.2.22)

Features

• Added GDI+ line curve option alongside TeeChart's Smoothing option. eg.
  line1.FillSampleValues(20);
  line1.Smoothed = true;
  line1.SmoothStyle = SmoothStyles.PointsCurve; //<-- new option

Fixes

• Fixed an issue where the custom axes stats don't update correctly on zoom.
• Fixed an issue where the LineSeries smoothing didn't handle Nan points.

Released: Jan 13, 2025

Updates in TeeChart NET for MAUI 2025 (Build 6.2025.1.13)

Fixes

• Possible clipping error at chart top when rendering from Console app.
• .NET 5+ image export problems when some font types set.
• JavaScript render slow to process large datasets.
• Scrollpager tool blocks setting of chart margin properties.

Released: Nov 14, 2024

Updates in TeeChart for .NET 2024 (Build 4.2024.11.14)

Fixes

• Scrollpager tool blocks setting of Margin properties of Chart
  • This fix provides an improved handling of the left margin, though it may still require further adjustments for specific cases.

Released: Oct 2, 2024

Updates in TeeChart for .NET 2024 (Build 4.2024.10.2)

Fixes

• Fixed possible clipping error at chart top when rendering from Console app.
• Fixed issue with JavaScript render lag and slow to process large datasets.