This is patent encumbered, so if you use it for a product, you’re setting yourself up for trouble down the line. The project page should be updated to mention

This is patent encumbered, so if you use it for a product, you’re setting yourself up for trouble down the line. The project page should be updated to mention the patent situation IMO. The license is MIT, but that doesn’t mean you can use this without paying the patent holder whatever has asks.