...
The merge or a PR must also have a DCO so we can know the entire repository is under the associated license.
Squashed Merges
When Merging a Pull Request through "squash and merge", include the Signed-off-by
lines from every contributor, and add one for you as the person merging. This might require you to edit the comments as a part of the merge. Note: If you use the GitHub client, it should handle cleaning up any extraneous messages for you.
Handling Failures
When you have a DCO failure on your PR from DCO Bot
...