| ⇢ | A | InvalidRequestStackMiddlewareException added |
| ⇢ | C | RequestStackBuilder::validateMiddlewareAppDetails(... added | |
| ⇢ | A | InvalidRequestStackMiddlewareException::__construc... added | |
| A | ↘ | B | EE_Messages_Email_Newsletter_Validator::_modify_va... got worse |
| A | ↘ | B | RequestStackBuilder::resolve() got worse |