Great to see the interest in the Mendix Web Modeler.
We are rolling out the Mendix Web Modeler in stages.
It is current rolled out as a beta to a selected group of partners.
(see also our blogpost https://www.mendix.com/blog/mendix-7-now-available-sophisticated-high-productivity-platform-digital-enterprise/ )
Not yet, The webmodeler is supposed to be released soon™