The.NET MAUI Cartesian Chart will animate seamlessly in two ways: when you first load the chart or when you redraw it after modifying the data points.
The following demo visualizes how to animate the .NET MAUI Caretaisn Chart.
If you are facing a path too long exception when building this example project, close Visual Studio and rename the repository to short and build the project.
For more details, refer to the KB on How to create an animated chart (SfCartesianChart) in .NET MAUI?