Gitlab will be upgraded from version 14.2 to 14.4 Wednesday evening (20211027). Release notes can be found here (we run the Core release): https://about.gitlab.com/releases/2021/10/22/gitlab-14-4-released/

Merge requests are a place to propose changes you've made to a project and discuss those changes with others

Interested parties can even contribute by pushing commits if they want to.