How to reproduce:
1. Open the attached project "iOS New Input System Test.zip"
2. Go to Build Settings (File>Build Settings)
3. Select iOS and build
4. Open the project in Xcode and build for a device
5. Connect an external keyboard to a device
6. Press 0-9, WASD or spacebar keys

Expected result: App shows pressed key
Actual result: Input not working

Reproducible with: 0.9.0-preview (2020.3.21f1), 0.9.2-preview (2019.4.32f1), 0.9.4-preview (2020.3.22f1), 1.1.1 (2019.4.32f1, 2021.1.28f1), 1.2.0 (2020.3.21, 2021.1.28f1)
Not reproducible with: 0.9.0-preview, 0.9.1-preview (2019.4.32f1), 0.9.5-preview (2020.3.21f1), 1.1.1 (2020.3.21f1, 2021.2.1f1, 2022.1.0a13), 1.2.0 (2019.4.32f1, 2021.2.1f1, 2022.1.0a13)
Could not test with: 0.2.10 (Error: "Assets/MainNewSystem.cs(22,29): error CS1061: 'AnyKeyControl' does not contain a definition for 'wasPressedThisFrame' and no accessible extension method 'wasPressedThisFrame' accepting a first argument of type 'AnyKeyControl' could be found (are you missing a using directive or an assembly reference?)")

Reproduced with:
iPad (9th generation), 15.0 iOS

Not reproduced with:
VLNQA00358 - iPhone 12, 14.1 iOS
VLNQA00310 - iPad Pro 12.9", 13.4.1 iOS