Recent reports coming out of China suggest that Apple has started mass production of the iPad mini 5 and this might be it. The design sticks close to the iPad 9.7" (2018) with rounded sides and antenna window on top. The sides are important - the new iPad Pros have squared off sides so that the second-gen Apple Pencil can magnetically snap on the side. Not that Pencil support on the mini makes much sense, but Apple might want to keep the designs consistent, anyway. It looks like there's a 3.5mm headphone jack in the top right corner, something not seen on an iOS device since the 9.7"...
Source: https://www.gsmarena.com/photos_allegedly_show_ipad_mini_5-news-35009.php