Launcher prints "Completely ignored arguments: [--nativeLauncherVersion, ###]"

The bug

When clicking the "Play" button the launcher prints (with ### being a number)

Completely ignored arguments: [--nativeLauncherVersion, ###]

in the Game Output

(Might be a Minecraft bug as it is in the Game Output)

Affected versions (not selectable)

• 1.6.73