| A | ↘ | B | Conversion got worse |
| ⇢ | A | FileManipulator::extractVideoThumbnail() added | |
| ⇢ | A | Conversion::setExtractVideoFrameAtSecond() added | |
| ⇢ | A | Conversion::getExtractVideoFrameAtSecond() added | |
| A | ↘ | B | Media::getTypeFromExtensionAttribute() got worse |
| B | ↘ | C | FileManipulator::createDerivedFiles() got worse |