| ⇢ | C | Ico::getBmpImage() added | |
| ⇢ | B | Ico::extractBmp() added | |
| ⇢ | B | Ico::extractPaletteImageData() added | |
| ⇢ | B | Ico::extractMonoImageData() added | |
| ⇢ | A | Ico::getPngImage() added | |
| ⇢ | A | Ico::extractPng() added | |
| ⇢ | A | Ico::extractTrueColorImageData() added | |
| A | ↘ | B | Ico::extractIconDirEntries() got worse |
| C | ↗ | B | Ico::loadData() improved |
| C | ↗ | A | Ico::getImage() improved |
| B | ↛ | Ico::extract8BitData() removed | |
| B | ↛ | Ico::extract1BitData() removed | |
| A | ↛ | Ico::extract24BitData() removed |