| ⇢ | A | PopulateListener added | 
| ⇢ | A | IndexPopulateEvent::getOption() added | |
| ⇢ | A | AliasProcessor::closeIndex() added | |
| ⇢ | A | Resetter::switchIndexAlias() added | |
| ⇢ | A | IndexPopulateEvent::setOption() added | |
| ⇢ | A | PopulateListener::__construct() added | |
| ⇢ | A | PopulateListener::onPostIndexPopulate() added | |
| B | ↘ | C | AliasProcessor::switchIndexAlias() got worse |