According to information provided by Japanese site Macotakara, known for Apple news, the new iPad Pro models will be thicker than those used today.
While the current iPad Pros were 6.9 mm thick, the new iPad Pro 2 was claimed to be 0.3 mm thicker.
New iPad Pro; Thick and Frameless
This may look like an unnoticeable small number, but it’s a very important threshold for thicker tablet and smartphones
Also, according to the same rumors, the new iPad Pro 10.9 inch can come in a frame-free form. If that’s true, iPad Pro 10.9 will be 7.5 mm thick, just like the original iPad Air.
The changes are not limited to this, the new Apple tab will also not have the home key.