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):

Use jobs to automate your tasks

Jobs are the building blocks of a GitLab CI/CD pipeline. Each job has a specific task, like testing code. To set up jobs in a CI/CD pipeline, add a CI/CD configuration file to your project.

Create CI/CD configuration file