There are a lot of moving parts of the Mozilla release process. Any attempt to change them immediately brings a lot of feedback and discussion. Rather than using a wiki or having a static webpage, we have decided to stick the process documentation into source control.
Some benefits of version control:
Please give us feedback in the form of pull requests!
You can also clone the project with Git by running:
$ git clone git://github.com/mozilla/process-releases
If you are using Mercurial you likely want to install the Hg-Git plugin.