This week, we had some new functionalities available in SAP Enteprise Search. In note 2372446 – SWC Import from file (xml): New Service and Support Program, the developers have provided a ABAP report ESH_IEF_SWC_FILE_IMPORT to import this XML file.
You want to set up SAP Enterprise Search 7.51 for SAP Fiori. In this case, refer to note 2358053 – Release Information for SAP Enterprise Search 7.51 for SAP Fiori
When creating new request/ response attributes in the ES-Modeler, deadlocks can occur if the same attribute has been created and renamed earlier and is still existing. This issue is fixed with note 2382607 – ES Modeler: Problems with response/ request field IDs
ESH Product Support