Copied from https://github.com/ValveSoftware/steam-for-linux/issues/4924#issuecomment-4155962621

SteamWaylandPatcher.sh

#!/bin/bash
set -e

STEAM_DIR="$HOME/.local/share/Steam/ubuntu12_64"
DESKTOP_DIR="$HOME/.local/share/applications"

echo "=== Steam Wayland Wrapper + Desktop Setup ==="

# Create directories if needed
mkdir -p "$STEAM_DIR" "$DESKTOP_DIR"

cd "$STEAM_DIR"

# 1. Rename original binary if it exists and wrapper doesn't
if [[ -f steamwebhelper && ! -f steamwebhelper.real ]]; then
    echo "Renaming original steamwebhelper to steamwebhelper.real..."
    mv steamwebhelper steamwebhelper.real
elif [[ -f steamwebhelper.real ]]; then
    echo "steamwebhelper.real already exists — skipping rename."
else
    echo "ERROR: steamwebhelper not found in $STEAM_DIR"
    echo "Make sure Steam is installed and has been run at least once."
    exit 1
fi

# 2. Create the smart wrapper
cat > steamwebhelper << 'EOF'
#!/bin/bash

# Wayland mode via environment variable
if [[ "${STEAM_WEBHELPER_WAYLAND:-0}" == "1" ]]; then
    echo "SteamWebHelper: Forcing native Wayland Ozone mode (GPU acceleration enabled)"
    exec ./steamwebhelper.real \
        --ozone-platform=wayland \
        --enable-features=UseOzonePlatform,WaylandWindowDecorations \
        --disable-features=UseChromeOSDirectVideoDecoder \
        "$@"
else
    # Normal XWayland mode - unchanged
    exec ./steamwebhelper.real "$@"
fi
EOF

chmod +x steamwebhelper
echo "Wrapper script created and made executable."

# 3. Create the two desktop files (only if they don't exist or are different)
cd "$DESKTOP_DIR"

cat > SteamW.desktop << 'EOF'
[Desktop Entry]
Name=Steam (Wayland)
Comment=Valve's digital software delivery platform (Wayland mode)
Exec=env STEAM_WEBHELPER_WAYLAND=1 steam -noverifyfiles %U
Icon=steam
Terminal=false
Type=Application
Categories=Network;Game;
StartupNotify=true
StartupWMClass=steam
MimeType=x-scheme-handler/steam;
EOF

cat > SteamX.desktop << 'EOF'
[Desktop Entry]
Name=Steam (xWayland)
Comment=Valve's digital software delivery platform (XWayland fallback)
Exec=env STEAM_WEBHELPER_WAYLAND=0 steam -noverifyfiles %U
Icon=steam
Terminal=false
Type=Application
Categories=Network;Game;
StartupNotify=true
StartupWMClass=steam
MimeType=x-scheme-handler/steam;
EOF

chmod +x SteamW.desktop SteamX.desktop

echo "Desktop files created:"
echo "   ~/.local/share/applications/SteamW.desktop  (Wayland)"
echo "   ~/.local/share/applications/SteamX.desktop  (xWayland)"

echo ""
echo "Setup complete!"
echo ""
echo "Usage:"
echo "• Use 'Steam (Wayland)' for native Wayland library view"
echo "• Use 'Steam (xWayland)' for best compatibility with store/community pages"
echo ""
echo "After any Steam update that overwrites steamwebhelper, just re-run this script."