Release day. Although the product team was used to a bit of a hustle to wrap up open features, perform final testing, and prepare for deployment, today presented some additional challenges. This morning Jerry, the team’s product manager, discovered that one of the major features slated for this release was implemented in a way that would cause problems for some key users on the platform. Jerry notified Mark, the backend engineer, who said he might be able to fix the issue by modifying the d...