NVK won't work properly on Fedora

Hello guys, I'm testing the new NVK vulkan driver on linux. On Arch Linux, I got ~145 FPS on CS 2. While after I installed Fedora and got ~6 FPS on Fedora... I'm using Steam flatpak on both of them and installed CS 2 through Steam flatpak. Does anyone face this issue on Fedora?

On Arch Linux: