Something that should be understood before a release occurs, especially if dependencies are updated.

Problems in design, functionality, etc.

An issue to be addressed in weekly scrum

Request for new or changed design or functionality.

Indicates an urgent issue.

Indicates a low urgency issue. Impacts few people or "wouldn't it be nice if". Icebox.

Indicates a moderate priority issue. Something that should be worked into an upcoming sprint.

Indicates a closed but not fixed problem.