Link to milestones from within merge requests
Merge requests can be assigned to a milestone. Though to get to the milestones from within the merge requests overview you first have to switch to the issues.
Link to the milestones overview from within the merge requests overview like it's done in the issues overview.
Links / references
Everyone working with merge requests assigned to milestones.
Make sure these are completed before closing the issue, with a link to the relevant commit.