We didn't want to shock users search engine stats "so close" to an older build; plus there was a LOT of code cleanup that went into 7.5.9. We will definitely try to have the UBB.Sitemaps mod use the same URL syntax as the next release to help aid in any transition.
There are a lot of things in our internal vision that haven't gotten attention yet, and I keep showing Isaac little bits of data regarding past beta tests for some ideas on the stock product as well...
We both definitely value transparency and user suggestions, as you can see from our "
Official UBB.Threads Announcements" forum we keep a listing of progress reports so you can see exactly where we're at, and user comments are allowed in this forum should you have feedback.
Plus we keep all of our code synced between the two of us over Dropbox, so you won't run into any issues with people parting the project and not having code provided to other parties like has happened in the past.