“Received updates from an unknown hover gesture recognizer”

Douglas Hill •

We’re seeing a UIKit crash introduced in iOS 26.1:

Fatal Exception: NSInternalInconsistencyException

-[UIPencilInteraction _handleHoverGestureRecognizer:]: Received updates from an unknown hover gesture recognizer: <UIHoverGestureRecognizer: 0x12429d400 (pencilInteraction.hover.0x1105da080); id = 594; state = Cancelled; view = (nil); target= <(action=_handleHoverGestureRecognizer:, target=<UIPencilInteraction 0x1105da080>)>>

Reported as FB21266941.