iPad Pro 12.9-inch display is 2732x2048 px (264 PPI) (IPS panel) (5.5 megapixels), 12.9 in (330 mm) diagonal, 4:3[2] After latest update, you still show it as 1536x2048. See screenshot. 
iPad Pro 12.9-inch display is
2732x2048 px (264 PPI) (IPS panel) (5.5 megapixels), 12.9 in (330 mm) diagonal, 4:3[2]
After latest update, you still show it as 1536x2048. See screenshot.