Has Sigma Developed a New 35mm Lens?

Every year or two, it is necessary for lens manufacturers to refresh their popular lineup to meet the resolution and speed criteria of the cameras. Sometimes, the update also helps to make a popular lens more compact, while improving its image quality. Other times, the update fixes major issues with design or glass elements. It now appears that Sigma is achieving the same with the introduction of a successor to its popular lens. Reports and an image say this one will be very handy.