It has been installed and is running here.
All the page forum has been rewrite, all pushed links logic redone and much more.
Subdomains installations in all flavor fixes.
Buddypress compatibility.
MSMU compatibility ... even on subsites (limit: with same linked phpBB!)
About iframe ... that the part i've love to finally get in the right definitive way.
You can see how links are changing by clicking on iframe links, in the address bar. They look like phpBB links +- now. It has been necessary to get all work really and definitively fine. No more changes about this, for long time. Only improvements (additions) in case.
You receive email notification with links that are pointing to iframe.
You are notified of new pm messages if on page forum, without reload page.
Writing htaccess tutorial, and maybe i'll prepare a zip with 3 ready files, for phpBB notification email, if easy edits are hard for you
it is very easy, do not worry ... the going on tutorial is coming here ...
https://www.axew3.com/w3/2017/04/wp_w3a ... me-how-to/
let me say, i've find out more easy to fix wp_w3all for all these things, than now, write all what necessary for tutorials about!
1.6.9, is really cool, it is coming!