Switch Pro was allegedly real but was ultimately scrapped.

Numerous leaks and speculations hinted at the potential existence of a Switch Pro. When an Nvidia engineer confirmed the Tegra 239’s leaked pictures, some speculated that the Tegra 239 might really be the Switch Pro’s processor. As with the PlayStation 4 Pro and Xbox One X to their respective systems, the enhanced system is expected to be a hardware update that plays Switch titles with increased performance and quality without being a new generation.