As part of the 5.5 processes, the release team would like to gather thoughts from the greater WordPress community on how the release process went. As part of this information gathering stage, please use this form to catalog ideas and processes that went well, poorly, or could be improved in future versions of WordPress. This information will be indexed, and then released back to the community.

"Regardless of what we discover, we understand and truly believe that everyone did the best job they could, given what they knew at the time, their skills and abilities, the resources available, and the situation at hand."

--Norm Kerth, Project Retrospectives: A Handbook for Team Review

Thank you for giving us your feedback on how the project went. Before starting, think back at the whole project, since the very beginning, and review what happened both in terms of the project itself, and how the team worked on it.

Feel free to submit many answers, and share as needed.