Multiple simultaneous keyboard event inputs not received

User Submitted Bug

Some keys are not registered when pressed with combination of others.

p1. PIE in any project
p2. Enter 'showdebug input' console command

1. Press "W" and "A" at the same time, and then press "S" key.
> W and A key show as pressed. S key is not marked as pressed.
2. Press "W" and "A" at the same time, and then press "Two" key.
> W and A and "Two" key show as pressed.
3. Press "A" and "S" at the same time, and then press "Two" key.
> A and S key mark as pressed, "Two" key is not marked as pressed.
4. More combination can be observed by pressing at least 3+ key and randomly pressing buttons.