<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=528725) </details> <!--IssueSummary end--> https://gitlab.com/gitlab-org/gitlab/-/merge_requests/185921 added a known issue to our import documentation. > For merge requests, only the latest diff is preserved during import or export. > After importing or exporting a project, only the latest diff version and the latest pipeline in merge requests are visible. It's not clear whether this is a deliberate omission, in which case it might be documented more clearly than in the known issues, or if it's a defect, in which case we should see what we can do about it. Potentially related issue: - https://gitlab.com/gitlab-org/gitlab/-/issues/26828