| C | ↘ | D | ObjectStoreStorage got worse |
| ⇢ | A | ObjectStoreStorage::saveVersion() added | |
| ⇢ | A | ObjectStoreStorage::getVersions() added | |
| ⇢ | A | ObjectStoreStorage::getVersion() added | |
| ⇢ | A | ObjectStoreStorage::getContentOfVersion() added | |
| ⇢ | A | ObjectStoreStorage::restoreVersion() added | |
| ⇢ | A | Common::saveVersion() added | |
| A | ↘ | B | MetaVersionCollection::get() got worse |
| B | ↘ | C | Storage::store() got worse |