I see that you wrote on GitHub, email, and Gitter as well. Let's see if we can resolve your situation on Gitter/email, and we will post the result of our troubleshooting here once we have resolved your issute. Thanks!
We are proud to announce that the stable release of the October CMS 2 is now available! The release represents over a year of design, research and development effort, which resulted in multiple new features and changes.