| ⇢ | A | Area added | |
| ⇢ | A | Audio added | |
| ⇢ | A | Caption added | |
| ⇢ | A | Embed added | |
| ⇢ | A | Iframe added | |
| ⇢ | A | Img added | |
| ⇢ | A | Map added | |
| ⇢ | A | Object added | |
| ⇢ | A | Param added | |
| ⇢ | A | Picture added | |
| ⋮ | view more | ||
| ⇢ | C | Audio::doClean() added | |
| ⇢ | C | Video::doClean() added | |
| ⇢ | C | Picture::doClean() added | |
| ⇢ | B | Source::doClean() added | |
| ⇢ | B | Track::doClean() added | |
| ⇢ | A | Param::doClean() added | |
| ⇢ | A | Caption::doClean() added | |
| ⇢ | A | Video::getAllowedAttributes() added | |
| ⇢ | A | Map::getAllowedAttributes() added | |
| ⇢ | A | Video::isTransparentElement() added | |
| ⋮ | view more | ||
| A | ↘ | B | Footer::doClean() got worse |
| A | ↘ | B | Header::doClean() got worse |