Keyboard button hold is registered as repeating presses with PROTON_ENABLE_WAYLAND=1

[winlith]

proton package: cachyos/proton-cachyos-slr 1:10.0.20251222-2
DE: KDE 6.5.4
kernel: 6.18.2-3-cachyos

When running games with PROTON_ENABLE_WAYLAND=1 and holding a keyboard button, it registers a hold for just a second or so and then starts registering repeated presses. (As if you tried to type 'dddddddddd' in a text input by holding D button).
It's not a problem for WASD movement because it seems that the period of the button being 'off' in between the registered presses are short enough (or just zero) that it doesn't interrupt the movement. However in games that require a long uninterrupted press to perform an action, this issue prevents from doing so.

[Edu4rdSHL]

It would be good to have a reproducible scenario, because I play many games that require long presses and haven't had any problems

[loathingKernel]

This is caused by external applications, such as virtual keyboards, more information on this issue Etaash-mathamsetty#4 (comment)

[winlith]

Hey, I just wanna confirm that this indeed is caused by virtual keyboard, after disabling it in KDE's settings, the issue is not present.