| ⇢ | A | QueueType added | |
| ⇢ | A | SignupError added | |
| ⇢ | A | UserRole added |
| ⇢ | A | QueueType::label() added | |
| ⇢ | A | SignupError::isSuccess() added | |
| ⇢ | A | SignupError::message() added | |
| ⇢ | A | SignupError::isError() added | |
| ⇢ | A | UserRole::isAdmin() added | |
| ⇢ | A | UserRole::hasElevatedPrivileges() added | |
| ⇢ | A | UserRole::isDisabled() added | |
| ⇢ | A | UserRole::label() added | |
| ⇢ | A | UserRole::isModerator() added |