New commits do not update merge requests anymore

Summary

New commits do not update merge requests.

Steps to reproduce

• Create a branch from Develop
• Do a commit in it
• Create a merge request and comment a line of the file (create a discussion)
• Do another commit in the same branch

Expected behavior

Commit counter should be incremented to "2" and new content shall be displayed in merge request.

Actual behavior

Commit counter stays at 1. Moreover, if the Merge button is pressed ,the 2nd commit stays in the branch and isn't merged.

Relevant logs and/or screenshots

N/A

Output of checks

This bug happens on GitLab.com

Possible fixes

Changing the target to any other branch and then re-set the proper one resolves the issue.