On iOS 26.01 & 26.2, the system keyboard shows uneven horizontal padding:
Leftmost key column touches the screen edge Right side has visible padding
This behavior is reproducible:
In existing apps In a brand-new demo app In both UIKit and SwiftUI
Xcode: 26.0.1 & 26.2
iOS: 26.0.1 & 26.2 Simulator
Devices tested: iPhone 15 / iPhone 15 Pro
Keyboard types: .numberPad, .decimalPad
Frameworks: UIKit, SwiftUI