| ⇢ | A | RevisionItem added |
| ⇢ | A | RevisionItem::fromArray() added | |
| ⇢ | A | RevisionItem::setRevisionedDomain() added | |
| ⇢ | A | MessageRevisions::saveRevision() added | |
| ⇢ | A | MessageRevisions::generateHash() added | |
| ⇢ | A | MessageRevisions::writeToFile() added | |
| ⇢ | A | MessageRevisions::readFromFile() added | |
| ⇢ | A | RevisionItem::toArray() added | |
| ⇢ | A | RevisionItem::getRevisionedDomain() added | |
| ⇢ | A | MessageRevisions::generateRevisionedDomain() added | |
| ⇢ | A | MessageRevisions::getPathname() added | |
| A | ↘ | B | MessageBuilder::export() got worse |