SwiftUI Pie Charts

1. Apple introduces pie charts in SwiftUI with iOS 17. 2. Pie charts are created using the SectorMark view with an "angle" parameter representing the size of each sector. 3. Data can be plotted either with fixed ranges or dynamic values. 4. Sector marks can be customized with inner and outer radii, as well as angular insets. 5. SwiftUI charts offer extensive customization options, including corner radius and legend configuration. 6. The chart background can be used to display a view in the center of the pie chart. 7. Interactivity can be added by using the .chartAngleSelection view modifier and finding the selected sector. 8. Selected sectors can be highlighted by adjusting their opacity. 9. A custom title view can be displayed in the background to show details about the selected sector. 10. Apple provides additional resources and examples to explore pie charts in SwiftUI.