Keep commit browser at the top of the page when scrolling merge requests

I'm pretty sure this changed in some recent update to the GitLab. When reviewing a merge request, there is a commit browser above the commit itself (Previews|Next buttons to move between commits). When reviewing merge requests with more than one commit I read from the top to bottom and when I'm at the bottom I need to scroll to the top of the page to move to the next commit. That's very inconvenient.

Having a counter of (commit 3/10, when looking on commit 3 of 10 commits) would be nice too, but not as handy as being able to move between commits without scrolling back to the top.