I think mouse and keyboard only works properly in Desktop mode. Not sure if intended or a bug.
My suggestion is to open a support ticket with Valve/Steam. They might help you troubleshoot it, but most likely they will escalate the problem to their dev team as a feature request / bug report.
I think mouse and keyboard only works properly in Desktop mode. Not sure if intended or a bug.
My suggestion is to open a support ticket with Valve/Steam. They might help you troubleshoot it, but most likely they will escalate the problem to their dev team as a feature request / bug report.