Asus announced two new ProArt displays, one of which is a portable 14-inch touchscreen monitor. This little display also has hotkeys and a physical dial for use with Adobe software. Asus also released a 15.6-inch portable monitor for business users.
https://www.notebookcheck.net/Asus-shows-off-14-inch-and-32-inch-ProArt-displays-for-creatives-alongside-a-15-6-inch-portable-monitor-for-professionals-on-the-go.514932.0.html
Nothing Pro about 16:9.
Five months later, the ZenScreen MB16ACV is still not available (though Asus announced it again at least twice, in April and this month).