Samsung's forthcoming Galaxy Tab S4 has been leaked in a hands-on video. The short clip captures the device in the flesh and shows its new shape thanks to an upgraded 10.5-inch size, which replaces the old 9.7-inch size of the Galaxy Tab S3.
https://www.notebookcheck.net/Video-of-Galaxy-Tab-S4-in-the-wild-shows-off-new-10-5-inch-form-factor.318656.0.html