Here's what's new with the Intel HD update for Surface Book and Surface Pro 4

[Windows Central]

If you are an owner of the Surface Pro 4 or Surface Book, you'll find a new Intel HD graphics update available today. Version 20.19.15.4463 is a bump from the previous driver release back in March of 20.19.15.4409. The update applies to the Intel HD 515, 520, and 540 (Iris) graphics processors found on Surface Book, Surface Pro 4 (Core m3) and Surface Pro 4 Core i5 and i7 models.

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