| ⇢ | A | Fieldset added |
| ⇢ | A | Fieldset::begin() added | |
| ⇢ | A | Fieldset::disabled() added | |
| ⇢ | A | Fieldset::title() added | |
| ⇢ | A | Fieldset::run() added | |
| ⇢ | A | Fieldset::legend() added | |
| ⇢ | A | Fieldset::autofocus() added | |
| ⇢ | A | Fieldset::name() added | |
| ⇢ | A | Form::class() added | |
| ⇢ | A | Fieldset::id() added | |
| ⇢ | A | Fieldset::attributes() added | |
| ⋮ | view more | ||
| D | ↗ | B | Form::begin() improved |
| A | ↛ | Form::legend() removed | |
| A | ↛ | Form::legendAttributes() removed | |
| A | ↛ | Form::fieldset() removed | |
| A | ↛ | Form::fieldsetAttributes() removed | |