| A | ↘ | B | NumberFormat got worse |
| ⇢ | A | NumberFormat::hasNationalPrefixOptionalWhenFormatt... added | |
| ⇢ | A | NumberFormat::getNationalPrefixOptionalWhenFormatt... added | |
| ⇢ | A | PhoneMetadata::getSameMobileAndFixedLinePattern() added | |
| A | ↘ | B | NumberFormat::fromArray() got worse |
| A | ↘ | B | NumberFormat::toArray() got worse |
| B | ↘ | C | NumberFormat::mergeFrom() got worse |
| A | ↛ | NumberFormat::isNationalPrefixOptionalWhenFormatti... removed | |
| A | ↛ | PhoneMetadata::isSameMobileAndFixedLinePattern() removed |