| ⇢ | A | Attachment::setFooter() added | |
| ⇢ | A | Attachment::setFooterIcon() added | |
| ⇢ | A | Attachment::setTimestamp() added | |
| ⇢ | A | Attachment::getFooter() added | |
| ⇢ | A | Attachment::getFooterIcon() added | |
| ⇢ | A | Attachment::getTimestamp() added | |
| A | ↘ | B | Attachment::toArray() got worse |