| ⇢ | A | RFC4180Field added | 
| ⇢ | A | CharsetConverter::attachTo() added | |
| ⇢ | A | RFC4180Field::attachTo() added | |
| ⇢ | A | RFC4180Field::onCreate() added | |
| ⇢ | A | RFC4180Field::filter() added | |
| A | ↛ | CharsetConverter::registerStreamFilter() removed | |
| A | ↛ | CharsetConverter::getFiltername() removed |