# Merge requests versions > Will be [introduced][ce-5467] in GitLab 8.12. Every time you push to a branch that is tied to a merge request, a new version of merge request diff is created. When you visit a merge request that contains more than one pushes, you can select and compare the versions of those merge request diffs. ![Merge Request Versions](img/versions.png) By default, the latest version of changes is shown. However, you can select an older one from version dropdown. ![Merge Request Versions](img/versions-dropdown.png) You can also compare the merge request version with older one to see what is changed since then. ![Merge Request Versions](img/versions-compare.png) Please note that comments are disabled while viewing outdated merge versions or comparing to versions other than base. --- >**Note:** Merge request versions are based on push not on commit. So, if you pushed 5 commits in a single push, it will be a single option in the dropdown. If you pushed 5 times, that will count for 5 options. [ce-5467]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/5467