| A | ↘ | B | MetadataGroup got worse |
| ⇢ | A | DocumentFormGroup::setRequiredGroups() added | |
| ⇢ | A | DocumentFormGroup::getOptionalGroups() added | |
| ⇢ | A | DocumentFormGroup::getRequiredGroups() added | |
| ⇢ | A | DocumentFormGroup::setOptionalGroups() added | |
| ⇢ | A | MetadataGroup::setOptionalGroups() added | |
| ⇢ | A | MetadataGroup::getOptionalGroups() added | |
| ⇢ | A | MetadataGroup::setRequiredGroups() added | |
| ⇢ | A | MetadataGroup::getRequiredGroups() added |