I assume you're referring to GitLab.com specifically. We also don't show large diffs, but I think the limit is thousands of lines. In the upcoming release (July

I assume you're referring to GitLab.com specifically. We also don't show large diffs, but I think the limit is thousands of lines. In the upcoming release (July 22) we're working on a collapsable diff feature https://gitlab.com/gitlab-org/gitlab-ce/issues/14103 https://gitlab.com/gitlab-org/gitlab-ce/issues/14103 to make working with large diffs easier.