Hi @blipp . Sorry for the delay.
I agree, it’s confusing to know where to contribute when there are two wikis.
That’s part of why we are launching a new wiki. That one wiki will replace the old two.
It hasn’t officially launched yet, but all you need is an Ubuntu One account to log in and start editing at wiki.staging.ubuntu.com. This version of the wiki is the one that will launch, after some tweaks, but we will change the URL eventually.
You don’t need to be a member of the wiki editors launchpad group to get started using the new wiki.
Now, as a new user, you can edit, but won’t be able to create pages right away. However, I could create a Rosenpass page for you to edit if you’d like?