<!--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=387821) </details> <!--IssueSummary end--> Right now Checkout modal window in the merge request [provides very basic instructions for both Authors and Reviewers](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/105712#note_1218184739): <table><td> {height=300} </td></table> The problem is that these flows are inherently different from each other. An author should push the changes to the MR and resolve the conflicts. A reviewer should leave comments and merge when an MR is ready to be merged. In order to improve that we should separate these flows in a modal window. ## Proposal screenshot <table><td>  </td></table>