By request here are some wallpaper options featuring the illustration created by @wodzgn and used for the Godot 4.0 Release Party held at GitHub HQ on March 22nd, 2023.
1920x1080px(FHD)2560x1440px(QHD)3840x2160px(4K)
See a size missing? 800x600px? Something mobile-friendly? Pull requests welcome! 🤘🏻