I adhere to the coding conventions (described here) in my code.
I have updated the copyright headers of the files I have modified.
I have written appropriate commit messages, i.e., I have recorded the goal, the need, the needed changes, and the location of my code modifications for each commit. This includes also, e.g., referencing to relevant issues.
I have put signed-off tags in all commits.
I have updated the changelog file NEWS.md appropriately.
The pull request is opened against the branch dev.