From f8922a42d9c6a904cca7fe3c8de0406de3d12eba Mon Sep 17 00:00:00 2001
From: Lucas Koehler <lkoehler@eclipsesource.com>
Date: Thu, 22 Jan 2026 18:03:31 +0100
Subject: [PATCH 1/2] Remove usage of lodash/isArray for improved type guarding

---
 packages/core/src/testers/testers.ts                        | 3 +--
 packages/core/src/util/util.ts                              | 3 +--
 packages/vue-vuetify/src/controls/StringControlRenderer.vue | 3 +--
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/packages/core/src/testers/testers.ts b/packages/core/src/testers/testers.ts
index afd96335ac..ac2f449b6b 100644
--- a/packages/core/src/testers/testers.ts
+++ b/packages/core/src/testers/testers.ts
@@ -27,7 +27,6 @@ import isEmpty from 'lodash/isEmpty';
 import get from 'lodash/get';
 import endsWith from 'lodash/endsWith';
 import last from 'lodash/last';
-import isArray from 'lodash/isArray';
 import reduce from 'lodash/reduce';
 import toPairs from 'lodash/toPairs';
 import includes from 'lodash/includes';
@@ -483,7 +482,7 @@ const traverse = (
   pred: (obj: JsonSchema) => boolean,
   rootSchema: JsonSchema
 ): boolean => {
-  if (isArray(any)) {
+  if (Array.isArray(any)) {
     return reduce(
       any,
       (acc, el) => acc || traverse(el, pred, rootSchema),
diff --git a/packages/core/src/util/util.ts b/packages/core/src/util/util.ts
index 959651e433..ed4eae93d9 100644
--- a/packages/core/src/util/util.ts
+++ b/packages/core/src/util/util.ts
@@ -24,7 +24,6 @@
 */
 
 import isEmpty from 'lodash/isEmpty';
-import isArray from 'lodash/isArray';
 import includes from 'lodash/includes';
 import find from 'lodash/find';
 import { resolveData, resolveSchema } from './resolvers';
@@ -100,7 +99,7 @@ export const deriveTypes = (jsonSchema: JsonSchema): string[] => {
   if (!isEmpty(jsonSchema.type) && typeof jsonSchema.type === 'string') {
     return [jsonSchema.type];
   }
-  if (isArray(jsonSchema.type)) {
+  if (Array.isArray(jsonSchema.type)) {
     return jsonSchema.type;
   }
   if (
diff --git a/packages/vue-vuetify/src/controls/StringControlRenderer.vue b/packages/vue-vuetify/src/controls/StringControlRenderer.vue
index 3e7263d6e0..334d4ad9b4 100644
--- a/packages/vue-vuetify/src/controls/StringControlRenderer.vue
+++ b/packages/vue-vuetify/src/controls/StringControlRenderer.vue
@@ -88,7 +88,6 @@ import {
   type RendererProps,
 } from '@jsonforms/vue';
 import every from 'lodash/every';
-import isArray from 'lodash/isArray';
 import isString from 'lodash/isString';
 import { defineComponent } from 'vue';
 import { VCombobox, VTextField } from 'vuetify/components';
@@ -123,7 +122,7 @@ const controlRenderer = defineComponent({
 
       if (
         suggestions === undefined ||
-        !isArray(suggestions) ||
+        !Array.isArray(suggestions) ||
         !every(suggestions, isString)
       ) {
         // check for incorrect data

From 16abcf702b17a7e25f4f20869899b6642f4a0ee3 Mon Sep 17 00:00:00 2001
From: Lucas Koehler <lkoehler@eclipsesource.com>
Date: Thu, 22 Jan 2026 18:04:03 +0100
Subject: [PATCH 2/2] react: Remove usage of removed React.StatelessComponent

---
 packages/react/src/Renderer.tsx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/react/src/Renderer.tsx b/packages/react/src/Renderer.tsx
index b07cdca198..1ba4c59822 100644
--- a/packages/react/src/Renderer.tsx
+++ b/packages/react/src/Renderer.tsx
@@ -46,9 +46,10 @@ export class RendererComponent<
  * Stateless Renderer.
  *
  * @template P type of any renderer props
+ * @deprecated Use React.FunctionComponent instead
  */
 export type StatelessRenderer<P extends RendererProps> =
-  React.StatelessComponent<P>;
+  React.FunctionComponent<P>;
 
 /**
  * Represents a Renderer, which might either be a component or a function.
@@ -57,4 +58,4 @@ export type Renderer =
   // TODO fix @typescript-eslint/ban-types
   // eslint-disable-next-line @typescript-eslint/ban-types
   | RendererComponent<RendererProps & any, {}>
-  | StatelessRenderer<RendererProps & any>;
+  | React.FunctionComponent<RendererProps & any>;