From 2eb3a03fd4178f988dc70947f5100542b9d4ae4c Mon Sep 17 00:00:00 2001
From: Miikka Heikkinen <miikka.heikkinen@qt.io>
Date: Fri, 4 Apr 2025 16:00:17 +0300
Subject: [PATCH] QmlDesigner: Fix QmlListProperty append check

There is no need to check for full list functionality support when we
just want to add to the list.

Fixes: QDS-14440
Change-Id: I4a5568b95879171f953db441ac610f476490880a
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
---
 src/tools/qmlpuppet/qmlpuppet/instances/objectnodeinstance.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tools/qmlpuppet/qmlpuppet/instances/objectnodeinstance.cpp b/src/tools/qmlpuppet/qmlpuppet/instances/objectnodeinstance.cpp
index 1afa8d6d3af..e671c31ed3e 100644
--- a/src/tools/qmlpuppet/qmlpuppet/instances/objectnodeinstance.cpp
+++ b/src/tools/qmlpuppet/qmlpuppet/instances/objectnodeinstance.cpp
@@ -341,7 +341,7 @@ void ObjectNodeInstance::addToNewProperty(QObject *object, QObject *newParent, c
     if (isList(property)) {
         QQmlListReference list = qvariant_cast<QQmlListReference>(property.read());
 
-        if (!QmlPrivateGate::hasFullImplementedListInterface(list)) {
+        if (!list.isValid() || !list.canAppend()) {
             qWarning() << "Property list interface not fully implemented for Class " << property.property().typeName() << " in property " << property.name() << "!";
             return;
         }