| ⇢ | A | ReferenceIndexUpdater::registerUpdateForReferences... added | |
| ⇢ | A | ReferenceIndexUpdater::registerForDrop() added | |
| ⇢ | A | DataHandler::registerReferenceIndexRowsForDrop() added | |
| A | ↘ | B | ReferenceIndexUpdater::update() got worse |
| A | ↛ | DataHandler::registerReferenceUpdatesForReferences... removed | |
| A | ↛ | DataHandler::dropReferenceIndexRowsForRecord() removed | |
| A | ↛ | DataHandler::addRemapStackRefIndex() removed |