In case you are wondering what happened to the custom login image change from 1.1.0-rc1, the blog post for this release has a bit more info:
In this release we had also hoped to include an option to show the site’s custom logo on the login page instead of the ClassicPress logo (petition). After we released a preview of this feature to the community, some issues with our current implementation became apparent (discussion), so we’ll be backing this feature out and revisiting it for a potential future version of ClassicPress.