Delayed keyboard input when running as iOS app on Apple Silicon Mac

[kyubuns]

It works fine in Editor, Windows builds and mac builds.
However, when running the iOS build on an Apple Silicon Mac, there is a keyboard input delay.
It occurs for a random time when the button is pressed or released, which can result in unintentional long presses.
Curiously, when the controller is connected, it works fine.

Does anyone know anything about this issue?
I’m using Unity2021.3.16 + InputSystem 1.4.4.

[igorhart]

I’ve got a fix working in Unity 2022.2.b05, so you can try it with your version.

iOS Repeated Key Lag

Hi, I've solved the issue on my own by editing the "UnityView+Keyboard.mm" file. Full working solution here: https://gist.github.com/igorskugar/b5fc0a493339c8628446131c24445d14 Solution is based on iOS project generated by Unity v. 2022.2.0b5. I've commented out most of the previous logic, but not everything can be commented out. Apple and Unity both have their own key codes different than ASCII codes that I'm used to, so I had to "translate" Apple codes to Unity codes. There are 4 pi…