diff --git a/src/app/access-control/epeople-registry/epeople-registry.component.ts b/src/app/access-control/epeople-registry/epeople-registry.component.ts
index 18147d34374..26fcb980644 100644
--- a/src/app/access-control/epeople-registry/epeople-registry.component.ts
+++ b/src/app/access-control/epeople-registry/epeople-registry.component.ts
@@ -218,7 +218,7 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
   deleteEPerson(ePerson: EPerson) {
     if (hasValue(ePerson.id)) {
       const modalRef = this.modalService.open(ConfirmationModalComponent);
-      modalRef.componentInstance.dso = ePerson;
+      modalRef.componentInstance.name = this.dsoNameService.getName(ePerson);
       modalRef.componentInstance.headerLabel = 'confirmation-modal.delete-eperson.header';
       modalRef.componentInstance.infoLabel = 'confirmation-modal.delete-eperson.info';
       modalRef.componentInstance.cancelLabel = 'confirmation-modal.delete-eperson.cancel';
diff --git a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts
index 70b877030a9..7530d488432 100644
--- a/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts
+++ b/src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts
@@ -493,7 +493,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
       take(1),
       switchMap((eperson: EPerson) => {
         const modalRef = this.modalService.open(ConfirmationModalComponent);
-        modalRef.componentInstance.dso = eperson;
+        modalRef.componentInstance.name = this.dsoNameService.getName(eperson);
         modalRef.componentInstance.headerLabel = 'confirmation-modal.delete-eperson.header';
         modalRef.componentInstance.infoLabel = 'confirmation-modal.delete-eperson.info';
         modalRef.componentInstance.cancelLabel = 'confirmation-modal.delete-eperson.cancel';
diff --git a/src/app/access-control/group-registry/group-form/group-form.component.ts b/src/app/access-control/group-registry/group-form/group-form.component.ts
index da227c9e14c..dd5a91bcb4c 100644
--- a/src/app/access-control/group-registry/group-form/group-form.component.ts
+++ b/src/app/access-control/group-registry/group-form/group-form.component.ts
@@ -437,7 +437,7 @@ export class GroupFormComponent implements OnInit, OnDestroy {
   delete() {
     this.groupDataService.getActiveGroup().pipe(take(1)).subscribe((group: Group) => {
       const modalRef = this.modalService.open(ConfirmationModalComponent);
-      modalRef.componentInstance.dso = group;
+      modalRef.componentInstance.name = this.dsoNameService.getName(group);
       modalRef.componentInstance.headerLabel = this.messagePrefix + '.delete-group.modal.header';
       modalRef.componentInstance.infoLabel = this.messagePrefix + '.delete-group.modal.info';
       modalRef.componentInstance.cancelLabel = this.messagePrefix + '.delete-group.modal.cancel';
diff --git a/src/app/admin/admin-workflow-page/admin-workflow-search-results/actions/workspace-item/workspace-item-admin-workflow-actions.component.ts b/src/app/admin/admin-workflow-page/admin-workflow-search-results/actions/workspace-item/workspace-item-admin-workflow-actions.component.ts
index 9329cc20e39..7e139a3089f 100644
--- a/src/app/admin/admin-workflow-page/admin-workflow-search-results/actions/workspace-item/workspace-item-admin-workflow-actions.component.ts
+++ b/src/app/admin/admin-workflow-page/admin-workflow-search-results/actions/workspace-item/workspace-item-admin-workflow-actions.component.ts
@@ -128,7 +128,7 @@ export class WorkspaceItemAdminWorkflowActionsComponent implements OnInit {
    */
   deleteSupervisionOrder(supervisionOrderEntry: SupervisionOrderListEntry) {
     const modalRef = this.modalService.open(ConfirmationModalComponent);
-    modalRef.componentInstance.dso = supervisionOrderEntry.group;
+    modalRef.componentInstance.name = this.dsoNameService.getName(supervisionOrderEntry.group);
     modalRef.componentInstance.headerLabel = this.messagePrefix + '.delete-supervision.modal.header';
     modalRef.componentInstance.infoLabel = this.messagePrefix + '.delete-supervision.modal.info';
     modalRef.componentInstance.cancelLabel = this.messagePrefix + '.delete-supervision.modal.cancel';
diff --git a/src/app/shared/confirmation-modal/confirmation-modal.component.html b/src/app/shared/confirmation-modal/confirmation-modal.component.html
index 02434b1fa1e..ff82f5bc83d 100644
--- a/src/app/shared/confirmation-modal/confirmation-modal.component.html
+++ b/src/app/shared/confirmation-modal/confirmation-modal.component.html
@@ -1,18 +1,18 @@
 <div>
-  <div class="modal-header">{{ headerLabel | translate:{ dsoName: dsoNameService.getName(dso) } }}
+  <div class="modal-header">{{ headerLabel | translate:{ dsoName: name } }}
     <button type="button" class="close" (click)="close()" aria-label="Close">
       <span aria-hidden="true">×</span>
     </button>
   </div>
   <div class="modal-body">
-    <p>{{ infoLabel | translate:{ dsoName: dsoNameService.getName(dso) } }}</p>
+    <p>{{ infoLabel | translate:{ dsoName: name } }}</p>
   </div>
   <div class="modal-footer">
     <button type="button" class="cancel btn btn-outline-secondary" (click)="cancelPressed()" aria-label="Cancel">
-      <i class="fas fa-times"></i> {{ cancelLabel | translate:{ dsoName: dsoNameService.getName(dso) } }}
+      <i class="fas fa-times"></i> {{ cancelLabel | translate:{ dsoName: name } }}
     </button>
     <button type="button" class="confirm btn btn-{{brandColor}}" (click)="confirmPressed()" aria-label="Confirm" ngbAutofocus>
-      <i *ngIf="confirmIcon" class="{{confirmIcon}}"></i> {{ confirmLabel | translate:{ dsoName: dsoNameService.getName(dso) } }}
+      <i *ngIf="confirmIcon" class="{{confirmIcon}}"></i> {{ confirmLabel | translate:{ dsoName: name } }}
     </button>
   </div>
 </div>
diff --git a/src/app/shared/confirmation-modal/confirmation-modal.component.ts b/src/app/shared/confirmation-modal/confirmation-modal.component.ts
index cb785918241..7c8719f6260 100644
--- a/src/app/shared/confirmation-modal/confirmation-modal.component.ts
+++ b/src/app/shared/confirmation-modal/confirmation-modal.component.ts
@@ -1,7 +1,5 @@
 import { Component, EventEmitter, Input, Output } from '@angular/core';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
-import { DSpaceObject } from '../../core/shared/dspace-object.model';
-import { DSONameService } from '../../core/breadcrumbs/dso-name.service';
 import { TranslateModule } from '@ngx-translate/core';
 import { NgIf } from '@angular/common';
 
@@ -22,7 +20,7 @@ export class ConfirmationModalComponent {
    */
   @Input() brandColor = 'primary';
 
-  @Input() dso: DSpaceObject;
+  @Input() name: string;
 
   /**
    * An event fired when the cancel or confirm button is clicked, with respectively false or true
@@ -32,7 +30,6 @@ export class ConfirmationModalComponent {
 
   constructor(
     protected activeModal: NgbActiveModal,
-    public dsoNameService: DSONameService,
   ) {
   }
 
diff --git a/src/app/shared/dso-selector/modal-wrappers/export-batch-selector/export-batch-selector.component.ts b/src/app/shared/dso-selector/modal-wrappers/export-batch-selector/export-batch-selector.component.ts
index e94eb475c59..f15d3e44a97 100644
--- a/src/app/shared/dso-selector/modal-wrappers/export-batch-selector/export-batch-selector.component.ts
+++ b/src/app/shared/dso-selector/modal-wrappers/export-batch-selector/export-batch-selector.component.ts
@@ -1,6 +1,6 @@
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
-import { TranslateService, TranslateModule } from '@ngx-translate/core';
+import { TranslateModule, TranslateService } from '@ngx-translate/core';
 import { Observable, of as observableOf } from 'rxjs';
 import { map, switchMap } from 'rxjs/operators';
 import { BATCH_EXPORT_SCRIPT_NAME, ScriptDataService } from '../../../../core/data/processes/script-data.service';
@@ -22,6 +22,7 @@ import { AuthorizationDataService } from '../../../../core/data/feature-authoriz
 import { FeatureID } from '../../../../core/data/feature-authorization/feature-id';
 import { DSOSelectorComponent } from '../../dso-selector/dso-selector.component';
 import { NgIf } from '@angular/common';
+import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 
 /**
  * Component to wrap a list of existing dso's inside a modal
@@ -42,6 +43,7 @@ export class ExportBatchSelectorComponent extends DSOSelectorModalWrapperCompone
               protected notificationsService: NotificationsService, protected translationService: TranslateService,
               protected scriptDataService: ScriptDataService,
               protected authorizationDataService: AuthorizationDataService,
+              protected dsoNameService: DSONameService,
               private modalService: NgbModal) {
     super(activeModal, route);
   }
@@ -53,7 +55,7 @@ export class ExportBatchSelectorComponent extends DSOSelectorModalWrapperCompone
   navigate(dso: DSpaceObject): Observable<boolean> {
     if (dso instanceof Collection) {
       const modalRef = this.modalService.open(ConfirmationModalComponent);
-      modalRef.componentInstance.dso = dso;
+      modalRef.componentInstance.name = this.dsoNameService.getName(dso);
       modalRef.componentInstance.headerLabel = 'confirmation-modal.export-batch.header';
       modalRef.componentInstance.infoLabel = 'confirmation-modal.export-batch.info';
       modalRef.componentInstance.cancelLabel = 'confirmation-modal.export-batch.cancel';
diff --git a/src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.ts b/src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.ts
index e9b9e479172..2be711aa6b1 100644
--- a/src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.ts
+++ b/src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.ts
@@ -1,6 +1,6 @@
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
-import { TranslateService, TranslateModule } from '@ngx-translate/core';
+import { TranslateModule, TranslateService } from '@ngx-translate/core';
 import { Observable, of as observableOf } from 'rxjs';
 import { map, switchMap } from 'rxjs/operators';
 import { METADATA_EXPORT_SCRIPT_NAME, ScriptDataService } from '../../../../core/data/processes/script-data.service';
@@ -23,6 +23,7 @@ import { AuthorizationDataService } from '../../../../core/data/feature-authoriz
 import { FeatureID } from '../../../../core/data/feature-authorization/feature-id';
 import { DSOSelectorComponent } from '../../dso-selector/dso-selector.component';
 import { NgIf } from '@angular/common';
+import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 
 /**
  * Component to wrap a list of existing dso's inside a modal
@@ -43,6 +44,7 @@ export class ExportMetadataSelectorComponent extends DSOSelectorModalWrapperComp
               protected notificationsService: NotificationsService, protected translationService: TranslateService,
               protected scriptDataService: ScriptDataService,
               protected authorizationDataService: AuthorizationDataService,
+              protected dsoNameService: DSONameService,
               private modalService: NgbModal) {
     super(activeModal, route);
   }
@@ -54,7 +56,7 @@ export class ExportMetadataSelectorComponent extends DSOSelectorModalWrapperComp
   navigate(dso: DSpaceObject): Observable<boolean> {
     if (dso instanceof Collection || dso instanceof Community) {
       const modalRef = this.modalService.open(ConfirmationModalComponent);
-      modalRef.componentInstance.dso = dso;
+      modalRef.componentInstance.name = this.dsoNameService.getName(dso);
       modalRef.componentInstance.headerLabel = 'confirmation-modal.export-metadata.header';
       modalRef.componentInstance.infoLabel = 'confirmation-modal.export-metadata.info';
       modalRef.componentInstance.cancelLabel = 'confirmation-modal.export-metadata.cancel';
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.component.html b/src/app/shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.component.html
index 3be79b20f32..d840b696ccc 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.component.html
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.component.html
@@ -27,7 +27,7 @@
            (keydown)="selectOnKeyDown($event, sdRef)">
   </div>
 
-  <div ngbDropdownMenu
+  <div #dropdownMenu ngbDropdownMenu
        class="dropdown-menu scrollable-dropdown-menu w-100"
        [attr.aria-label]="model.placeholder">
     <div class="scrollable-menu"
@@ -41,7 +41,8 @@
          [scrollWindow]="false">
 
       <button class="dropdown-item disabled" *ngIf="optionsList && optionsList.length == 0">{{'form.no-results' | translate}}</button>
-      <button class="dropdown-item collection-item text-truncate" *ngFor="let listEntry of optionsList"
+      <button class="dropdown-item collection-item text-truncate" *ngFor="let listEntry of optionsList; let i = index"
+              [class.active]="i === selectedIndex"
               (keydown.enter)="onSelect(listEntry); sdRef.close()" (mousedown)="onSelect(listEntry); sdRef.close()"
               title="{{ listEntry.display }}" role="option"
               [attr.id]="listEntry.display == (currentValue|async) ? ('combobox_' + id + '_selected') : null">
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.component.ts
index 7b5ab1ff601..443db0fffef 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.component.ts
@@ -1,8 +1,17 @@
-import { ChangeDetectorRef, Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
+import {
+  ChangeDetectorRef,
+  Component,
+  ElementRef,
+  EventEmitter,
+  Input,
+  OnInit,
+  Output,
+  ViewChild
+} from '@angular/core';
 import { UntypedFormGroup } from '@angular/forms';
 
 import { Observable, of as observableOf } from 'rxjs';
-import { catchError, distinctUntilChanged, map, tap } from 'rxjs/operators';
+import { catchError, map, tap } from 'rxjs/operators';
 import { NgbDropdown, NgbDropdownModule } from '@ng-bootstrap/ng-bootstrap';
 import { DynamicFormLayoutService, DynamicFormValidationService } from '@ng-dynamic-forms/core';
 
@@ -12,10 +21,7 @@ import { PageInfo } from '../../../../../../core/shared/page-info.model';
 import { isEmpty } from '../../../../../empty.util';
 import { VocabularyService } from '../../../../../../core/submission/vocabularies/vocabulary.service';
 import { getFirstSucceededRemoteDataPayload } from '../../../../../../core/shared/operators';
-import {
-  PaginatedList,
-  buildPaginatedList
-} from '../../../../../../core/data/paginated-list.model';
+import { buildPaginatedList, PaginatedList } from '../../../../../../core/data/paginated-list.model';
 import { DsDynamicVocabularyComponent } from '../dynamic-vocabulary.component';
 import { FormFieldMetadataValueObject } from '../../../models/form-field-metadata-value.model';
 import { AsyncPipe, NgForOf, NgIf } from '@angular/common';
@@ -40,6 +46,8 @@ import { TranslateModule } from '@ngx-translate/core';
   standalone: true
 })
 export class DsDynamicScrollableDropdownComponent extends DsDynamicVocabularyComponent implements OnInit {
+  @ViewChild('dropdownMenu', { read: ElementRef }) dropdownMenu: ElementRef;
+
   @Input() bindId = true;
   @Input() group: UntypedFormGroup;
   @Input() model: DynamicScrollableDropdownModel;
@@ -52,6 +60,9 @@ export class DsDynamicScrollableDropdownComponent extends DsDynamicVocabularyCom
   public loading = false;
   public pageInfo: PageInfo;
   public optionsList: any;
+  public inputText: string = null;
+  public selectedIndex = 0;
+  public acceptableKeys = ['Space', 'NumpadMultiply', 'NumpadAdd', 'NumpadSubtract', 'NumpadDecimal', 'Semicolon', 'Equal', 'Comma', 'Minus', 'Period', 'Quote', 'Backquote'];
 
   constructor(protected vocabularyService: VocabularyService,
               protected cdr: ChangeDetectorRef,
@@ -66,32 +77,26 @@ export class DsDynamicScrollableDropdownComponent extends DsDynamicVocabularyCom
    */
   ngOnInit() {
     this.updatePageInfo(this.model.maxOptions, 1);
-    this.vocabularyService.getVocabularyEntries(this.model.vocabularyOptions, this.pageInfo).pipe(
+    this.loadOptions();
+  }
+
+  loadOptions() {
+    this.loading = true;
+    this.vocabularyService.getVocabularyEntriesByValue(this.inputText, false, this.model.vocabularyOptions, this.pageInfo).pipe(
       getFirstSucceededRemoteDataPayload(),
-      catchError(() => observableOf(buildPaginatedList(
-        new PageInfo(),
-        []
-        ))
-      ))
-      .subscribe((list: PaginatedList<VocabularyEntry>) => {
-        this.optionsList = list.page;
-        if (this.model.value) {
-          this.setCurrentValue(this.model.value, true);
-        }
-
-        this.updatePageInfo(
-          list.pageInfo.elementsPerPage,
-          list.pageInfo.currentPage,
-          list.pageInfo.totalElements,
-          list.pageInfo.totalPages
-        );
-        this.cdr.detectChanges();
-      });
-
-    this.group.get(this.model.id).valueChanges.pipe(distinctUntilChanged())
-      .subscribe((value) => {
-        this.setCurrentValue(value);
-      });
+      catchError(() => observableOf(buildPaginatedList(new PageInfo(), []))),
+      tap(() => this.loading = false)
+    ).subscribe((list: PaginatedList<VocabularyEntry>) => {
+      this.optionsList = list.page;
+      this.updatePageInfo(
+        list.pageInfo.elementsPerPage,
+        list.pageInfo.currentPage,
+        list.pageInfo.totalElements,
+        list.pageInfo.totalPages
+      );
+      this.selectedIndex = 0;
+      this.cdr.detectChanges();
+    });
   }
 
   /**
@@ -106,10 +111,30 @@ export class DsDynamicScrollableDropdownComponent extends DsDynamicVocabularyCom
   openDropdown(sdRef: NgbDropdown) {
     if (!this.model.readOnly) {
       this.group.markAsUntouched();
+      this.inputText = null;
+      this.updatePageInfo(this.model.maxOptions, 1);
+      this.loadOptions();
       sdRef.open();
     }
   }
 
+  navigateDropdown(event: KeyboardEvent) {
+    if (event.key === 'ArrowDown') {
+      this.selectedIndex = Math.min(this.selectedIndex + 1, this.optionsList.length - 1);
+    } else if (event.key === 'ArrowUp') {
+      this.selectedIndex = Math.max(this.selectedIndex - 1, 0);
+    }
+    this.scrollToSelected();
+  }
+
+  scrollToSelected() {
+    const dropdownItems = this.dropdownMenu.nativeElement.querySelectorAll('.dropdown-item');
+    const selectedItem = dropdownItems[this.selectedIndex];
+    if (selectedItem) {
+      selectedItem.scrollIntoView({ block: 'nearest' });
+    }
+  }
+
   /**
    * KeyDown handler to allow toggling the dropdown via keyboard
    * @param event KeyboardEvent
@@ -118,13 +143,54 @@ export class DsDynamicScrollableDropdownComponent extends DsDynamicVocabularyCom
   selectOnKeyDown(event: KeyboardEvent, sdRef: NgbDropdown) {
     const keyName = event.key;
 
-    if (keyName === ' ' || keyName === 'Enter') {
+    if (keyName === 'Enter') {
       event.preventDefault();
       event.stopPropagation();
-      sdRef.toggle();
+      if (sdRef.isOpen()) {
+        this.onSelect(this.optionsList[this.selectedIndex]);
+        sdRef.close();
+      } else {
+        sdRef.open();
+      }
     } else if (keyName === 'ArrowDown' || keyName === 'ArrowUp') {
-      this.openDropdown(sdRef);
+      event.preventDefault();
+      event.stopPropagation();
+      this.navigateDropdown(event);
+    } else if (keyName === 'Backspace') {
+      this.removeKeyFromInput();
+    } else if (this.isAcceptableKey(keyName)) {
+      this.addKeyToInput(keyName);
+    }
+  }
+
+  addKeyToInput(keyName: string) {
+    if (this.inputText === null) {
+      this.inputText = '';
+    }
+    this.inputText += keyName;
+    // When a new key is added, we need to reset the page info
+    this.updatePageInfo(this.model.maxOptions, 1);
+    this.loadOptions();
+  }
+
+  removeKeyFromInput() {
+    if (this.inputText !== null) {
+      this.inputText = this.inputText.slice(0, -1);
+      if (this.inputText === '') {
+        this.inputText = null;
+      }
+      this.loadOptions();
+    }
+  }
+
+
+  isAcceptableKey(keyPress: string): boolean {
+    // allow all letters and numbers
+    if (keyPress.length === 1 && keyPress.match(/^[a-zA-Z0-9]*$/)) {
+      return true;
     }
+    // Some other characters like space, dash, etc should be allowed as well
+    return this.acceptableKeys.includes(keyPress);
   }
 
   /**
@@ -139,7 +205,7 @@ export class DsDynamicScrollableDropdownComponent extends DsDynamicVocabularyCom
         this.pageInfo.totalElements,
         this.pageInfo.totalPages
       );
-      this.vocabularyService.getVocabularyEntries(this.model.vocabularyOptions, this.pageInfo).pipe(
+      this.vocabularyService.getVocabularyEntriesByValue(this.inputText, false, this.model.vocabularyOptions, this.pageInfo).pipe(
         getFirstSucceededRemoteDataPayload(),
         catchError(() => observableOf(buildPaginatedList(
           new PageInfo(),
diff --git a/src/app/shared/subscriptions/subscription-view/subscription-view.component.ts b/src/app/shared/subscriptions/subscription-view/subscription-view.component.ts
index b8d27ba5bbb..915aa8a71e8 100644
--- a/src/app/shared/subscriptions/subscription-view/subscription-view.component.ts
+++ b/src/app/shared/subscriptions/subscription-view/subscription-view.component.ts
@@ -88,7 +88,7 @@ export class SubscriptionViewComponent {
   deleteSubscriptionPopup(subscription: Subscription) {
     if (hasValue(subscription.id)) {
       const modalRef = this.modalService.open(ConfirmationModalComponent);
-      modalRef.componentInstance.dso = this.dso;
+      modalRef.componentInstance.name = this.dsoNameService.getName(this.dso);
       modalRef.componentInstance.headerLabel = 'confirmation-modal.delete-subscription.header';
       modalRef.componentInstance.infoLabel = 'confirmation-modal.delete-subscription.info';
       modalRef.componentInstance.cancelLabel = 'confirmation-modal.delete-subscription.cancel';