From d9459ac37f71da6011d1911d6987daf26fe49aa8 Mon Sep 17 00:00:00 2001
From: david-loe <56305409+david-loe@users.noreply.github.com>
Date: Thu, 28 Aug 2025 17:07:34 +0200
Subject: [PATCH] Performance: Enable virtual scrolling for large custom field
 selects (#10708)

---
 .../custom-fields-query-dropdown.component.html                  | 1 +
 .../src/app/components/common/input/select/select.component.html | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.html b/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.html
index 57aff1bd9..22a1eec2e 100644
--- a/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.html
+++ b/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.html
@@ -51,6 +51,7 @@
     <ng-select #fieldSelects
       class="paperless-input-select rounded-end"
       [items]="getSelectOptionsForField(atom.field)"
+      [virtualScroll]="getSelectOptionsForField(atom.field)?.length > 100"
       bindLabel="label"
       bindValue="id"
       [(ngModel)]="atom.value"
diff --git a/src-ui/src/app/components/common/input/select/select.component.html b/src-ui/src/app/components/common/input/select/select.component.html
index ef7be3b62..7aa4ef94a 100644
--- a/src-ui/src/app/components/common/input/select/select.component.html
+++ b/src-ui/src/app/components/common/input/select/select.component.html
@@ -19,6 +19,7 @@
             [class.private]="isPrivate"
             [clearable]="allowNull"
             [items]="items"
+            [virtualScroll]="items?.length > 100"
             [addTag]="allowCreateNew && addItemRef"
             addTagText="Add item"
             i18n-addTagText="Used for both types, correspondents, storage paths"