A pull request (also known as a PR) is a proposed change to a repository that is submitted by a contributor, and it is then reviewed by the project maintainer. If the maintainer accepts the changes, the PR is then merged into the repository. A merge request (also known as a MR) is similar to a PR, but it is used to request changes to a branch in a repository. A MR is submitted by a contributor and is then reviewed by the project maintainer. If the maintainer accepts the changes, the MR is then merged into the repository.
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