UI Interaction Issues After Switching to the Input System(new): Is It a Bug or Misconfiguration?

Unity Engine
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1

First of all, since I am not very proficient in English, I may not have been able to translate this well, and I might have missed a solution from past threads. If there is already a solution available, I would appreciate it if you could point me to it.

After switching to the InputSystem, I can no longer interact with the UI at all. What could be the cause of this issue?

For reference, I also tried running the “UI vs GameInput” sample in an empty project, but I was unable to control the camera or interact with the UI there either. Although the OnClick event of the buttons is set to output logs, the button color doesn’t even change when hovering over it, which it should.

I have confirmed that the input system is set to Both or InputSystem (new) in the Project Settings, that the EventSystem is placed correctly, and that Keyboard & Mouse are included in SupportedDevices. The InputSystemUIInputModule is attached to the EventSystem. I also checked with and without PlayerInput, but it didn’t respond in either case.

Is this a bug, or am I still missing something?

2

Which Unity version and Input System package are you using?
Can you retry latest Input System package if you are not already on that.

3

I was testing with the latest version, but it still behaves the same way.
But I don’t testing on Unity6.
I will try on Unity6.

4

I also tested it with Unity version 6000.0.23f1 and InputSystem version 1.112, but it seems to exhibit the same behavior. I modified the settings to work solely with the InputSystem and switched to InputSystemUIInputModule, but the UI did not respond.

5

We tried to reproduce it ourselves and don’t seem to get the same result, could you file a bug for us via the Editor? (Help → Report a bug) Would help a lot if you could also add your project to it so we could see what your set up is like and what we’re missing

6

Got it.
We’ve made a bit of progress on our end, and it seems that the functionality works properly in the built executable, but it doesn’t work in the editor.
Should we assume that it won’t work correctly in the editor unless we enable touch simulation settings?
Thank you in advance for your help.