> No. I am not logged in. I noticed, that some features work if I log in
> and log out.
You are not logged in a click on the rss feed tab of the not public
project? How can you see this project if you are not logged in?

> As it would use some kind cookie or something.
Yeah, cookies would be a nice thing to have.

> Just only one thing. If I log in and my project is not public, I cannot
> download any version. I can see them, but not download them.
This will use http basic authentication in future too.

Cheers
Philippe