PencilKit iOS 12.4 to 13.0 API Differences

PKCanvasView.h
Added PKCanvasViewDelegate
Added -[PKCanvasViewDelegate canvasViewDrawingDidChange:]
Added -[PKCanvasViewDelegate canvasViewDidFinishRendering:]
Added -[PKCanvasViewDelegate canvasViewDidBeginUsingTool:]
Added -[PKCanvasViewDelegate canvasViewDidEndUsingTool:]
Added PKCanvasView
Added PKCanvasView.delegate
Added PKCanvasView.drawing
Added PKCanvasView.tool
Added PKCanvasView.rulerActive
Added PKCanvasView.drawingGestureRecognizer
Added PKCanvasView.allowsFingerDrawing
PKDrawing.h
Added PKAppleDrawingTypeIdentifier
Added PKDrawing
Added -[PKDrawing init]
Added -[PKDrawing initWithData:error:]
Added -[PKDrawing dataRepresentation]
Added PKDrawing.bounds
Added -[PKDrawing imageFromRect:scale:]
Added -[PKDrawing drawingByApplyingTransform:]
Added -[PKDrawing drawingByAppendingDrawing:]
PKEraserTool.h
Added PKEraserType
Added PKEraserTypeVector
Added PKEraserTypeBitmap
Added PKEraserTool
Added PKEraserTool.eraserType
Added -[PKEraserTool initWithEraserType:]
PKInkingTool.h
Added PKInkType
Added PKInkTypePen
Added PKInkTypePencil
Added PKInkTypeMarker
Added PKInkingTool
Added -[PKInkingTool initWithInkType:color:width:]
Added -[PKInkingTool initWithInkType:color:]
Added +[PKInkingTool defaultWidthForInkType:]
Added +[PKInkingTool minimumWidthForInkType:]
Added +[PKInkingTool maximumWidthForInkType:]
Added PKInkingTool.inkType
Added PKInkingTool.color
Added +[PKInkingTool convertColor:fromUserInterfaceStyle:to:]
Added PKInkingTool.width
PKLassoTool.h
Added PKLassoTool
Added -[PKLassoTool init]
PKTool.h
Added PKTool
PKToolPicker.h
Added PKToolPickerObserver
Added -[PKToolPickerObserver toolPickerSelectedToolDidChange:]
Added -[PKToolPickerObserver toolPickerIsRulerActiveDidChange:]
Added -[PKToolPickerObserver toolPickerVisibilityDidChange:]
Added -[PKToolPickerObserver toolPickerFramesObscuredDidChange:]
Added PKToolPicker
Added -[PKToolPicker addObserver:]
Added -[PKToolPicker removeObserver:]
Added -[PKToolPicker setVisible:forFirstResponder:]
Added PKToolPicker.selectedTool
Added PKToolPicker.rulerActive
Added PKToolPicker.isVisible
Added -[PKToolPicker frameObscuredInView:]
Added PKToolPicker.overrideUserInterfaceStyle
Added PKToolPicker.colorUserInterfaceStyle
Added +[PKToolPicker sharedToolPickerForWindow:]