This is still alpha version and in testing
I fixed this problem!
I think problem is I activate my plugins by network activate.
When I make all inactive and activate one by one, it’s ok.
Hop this help jc93.
I have the same problem too.
My first website in Multisite is working normally.
But when I setup second, third website, it show 404 error at the homepage and in any page (not post) like mynewdomain.com/about/; mynewdomain/privacy
I try to change .htaccess and I think this file is working normally.
Please help