| B | ↗ | A | GridFieldFilterHeader improved | 
| A | ↘ | B | GridFieldFilterHeader::getHTMLFragments() got worse | 
| B | ↛ | GridFieldFilterHeader::getLegacyFilterHeader() removed | |
| B | ↛ | GridFieldFilterHeader::getSearchFormSchema() removed | |
| B | ↛ | GridFieldFilterHeader::getSearchFieldSchema() removed | |
| A | ↛ | GridFieldFilterHeader::getURLHandlers() removed | |
| A | ↛ | CmsUiContext::iPressTheKeyInTheField() removed | |
| A | ↛ | GridFieldFilterHeader::__construct() removed | |
| A | ↛ | GridFieldFilterHeader::getSearchContext() removed |