| A | ↘ | B | StyleHelper got worse |
| ⇢ | A | StyleHelper::getCustomNumberFormatForNumFmtId() added | |
| ⇢ | A | StyleHelper::areStyleAttributesPossiblyIndicatingD... added | |
| A | ↘ | B | StyleHelper::shouldFormatNumericValueAsDate() got worse |
| A | ↘ | B | StyleHelper::extractStyleAttributes() got worse |
| A | ↛ | StyleHelper::doesNumFmtIdIndicateGeneralFormat() removed |