The most recent Github update hides the latest commit message on a project page. Instead, it only shows the author, commit date, and SHA:

This seems like a misfeature to me - there's always enough space to display at least part of the commit message. Seeing a commit message by default is much more useful than a SHA - I have no reason to want to copy a SHA until I know what the commit does.

I think it would be useful to hide the SHA and use the extra space to display as much of the commit message as will fit.