| ⇢ | A | VariableIssue added |
| ⇢ | A | Config::getReportingLevelForVariable() added | |
| ⇢ | A | FileFilter::allowsVariable() added | |
| ⇢ | A | IssueHandler::getReportingLevelForVariable() added | |
| ⇢ | A | VariableIssue::__construct() added | |
| B | ↘ | C | Config::getReportingLevelForIssue() got worse |