| D | ↗ | D | FrmDb improved |
| ⇢ | C | FrmEntryValidate::validate_number_field() added | |
| ⇢ | B | FrmEntryValidate::phone_format() added | |
| ⇢ | A | FrmFieldsController::add_validation_messages() added | |
| ⇢ | A | FrmEntryValidate::validate_phone_field() added | |
| A | ↘ | B | FrmFieldsController::input_html() got worse |