diff --git a/Core/GDCore/Project/BehaviorConfigurationContainer.h b/Core/GDCore/Project/BehaviorConfigurationContainer.h
index 8d43dd12fb23..6d0632dbce04 100644
--- a/Core/GDCore/Project/BehaviorConfigurationContainer.h
+++ b/Core/GDCore/Project/BehaviorConfigurationContainer.h
@@ -106,6 +106,9 @@ class GD_CORE_API BehaviorConfigurationContainer {
   void RemoveProperty(const gd::String &name) {
     content.RemoveChild(name);
     content.RemoveAttribute(name);
+    auto uncapitalizedName = name.UncapitalizeFirstLetter();
+    content.RemoveChild(uncapitalizedName);
+    content.RemoveAttribute(uncapitalizedName);
   };
 
   /**
@@ -114,7 +117,12 @@ class GD_CORE_API BehaviorConfigurationContainer {
    * \see gd::InitialInstance
    */
   bool HasPropertyValue(const gd::String name) const {
-    return content.HasChild(name) || content.HasAttribute(name);
+    if (content.HasChild(name) || content.HasAttribute(name)) {
+      return true;
+    }
+    auto uncapitalizedName = name.UncapitalizeFirstLetter();
+    return content.HasChild(uncapitalizedName) ||
+           content.HasAttribute(uncapitalizedName);
   }
 
   /**
diff --git a/Core/GDCore/String.cpp b/Core/GDCore/String.cpp
index 8a6110dfde50..aabcb89e3ae5 100644
--- a/Core/GDCore/String.cpp
+++ b/Core/GDCore/String.cpp
@@ -413,6 +413,11 @@ String String::CapitalizeFirstLetter() const
   return size() < 1 ? *this : substr(0, 1).UpperCase() + substr(1);
 }
 
+String String::UncapitalizeFirstLetter() const
+{
+  return size() < 1 ? *this : substr(0, 1).LowerCase() + substr(1);
+}
+
 String String::FindAndReplace(String search, String replacement, bool all) const
 {
     gd::String result(*this);
diff --git a/Core/GDCore/String.h b/Core/GDCore/String.h
index a27fa63019e8..b38c01f1c991 100644
--- a/Core/GDCore/String.h
+++ b/Core/GDCore/String.h
@@ -530,6 +530,11 @@ class GD_CORE_API String
      */
     String CapitalizeFirstLetter() const;
 
+    /**
+     * \brief Returns the string with the first letter in lower case.
+     */
+    String UncapitalizeFirstLetter() const;
+
     /**
      * \brief Searches a string for a specified substring and returns a new string where all occurrences of this substring is replaced.
      * \param search The string that will be replaced by the new string.
diff --git a/newIDE/app/src/InstancesEditor/CompactInstancePropertiesEditor/index.js b/newIDE/app/src/InstancesEditor/CompactInstancePropertiesEditor/index.js
index 8642527ff960..34c7f9838634 100644
--- a/newIDE/app/src/InstancesEditor/CompactInstancePropertiesEditor/index.js
+++ b/newIDE/app/src/InstancesEditor/CompactInstancePropertiesEditor/index.js
@@ -125,7 +125,6 @@ type Props = {|
   historyHandler?: HistoryHandler,
   tileMapTileSelection: ?TileMapTileSelection,
   onSelectTileMapTile: (?TileMapTileSelection) => void,
-  canOverrideBehaviorProperties: boolean,
 |};
 
 export const CompactInstancePropertiesEditor = ({
@@ -146,7 +145,6 @@ export const CompactInstancePropertiesEditor = ({
   projectScopedContainersAccessor,
   tileMapTileSelection,
   onSelectTileMapTile,
-  canOverrideBehaviorProperties,
 }: Props): null | React.Node => {
   const forceUpdate = useForceUpdate();
   const instance = instances[0];
@@ -159,6 +157,7 @@ export const CompactInstancePropertiesEditor = ({
    * obviously plus instance-wise variables with same name).
    */
   const shouldDisplayVariablesList = instances.length === 1;
+  const shouldDisplayBehaviorsList = instances.length === 1;
   const variablesContainer = shouldDisplayVariablesList
     ? exceptionallyGuardAgainstDeadObject(instance.getVariables())
     : null;
@@ -385,7 +384,7 @@ export const CompactInstancePropertiesEditor = ({
               </Column>
             </>
           )}
-          {object && canOverrideBehaviorProperties ? (
+          {object && shouldDisplayBehaviorsList ? (
             <TopLevelCollapsibleSection
               title={<Trans>Behaviors</Trans>}
               isFolded={isBehaviorsFolded}
diff --git a/newIDE/app/src/ObjectEditor/CompactObjectPropertiesEditor/CompactBehaviorPropertiesEditor.js b/newIDE/app/src/ObjectEditor/CompactObjectPropertiesEditor/CompactBehaviorPropertiesEditor.js
index e2c8d26b75d3..c567f776abf1 100644
--- a/newIDE/app/src/ObjectEditor/CompactObjectPropertiesEditor/CompactBehaviorPropertiesEditor.js
+++ b/newIDE/app/src/ObjectEditor/CompactObjectPropertiesEditor/CompactBehaviorPropertiesEditor.js
@@ -151,6 +151,7 @@ export const CompactBehaviorPropertiesEditor = ({
           layersContainer,
           visibility: 'All',
           showcaseNonDefaultValues: true,
+          hideResourceProperties: true,
         });
       }
       const behaviorMetadataProperties = behaviorMetadata.getProperties();
diff --git a/newIDE/app/src/PropertiesEditor/PropertiesMapToSchema.js b/newIDE/app/src/PropertiesEditor/PropertiesMapToSchema.js
index 4d9ab9262d20..cab0e3fee61e 100644
--- a/newIDE/app/src/PropertiesEditor/PropertiesMapToSchema.js
+++ b/newIDE/app/src/PropertiesEditor/PropertiesMapToSchema.js
@@ -39,7 +39,8 @@ const createField = (
   defaultValue: string | null,
   layers: gdLayersContainer | null,
   object: ?gdObject,
-  showcaseNonDefaultValues: boolean
+  showcaseNonDefaultValues: boolean,
+  hideResourceProperties: boolean
 ): ?Field => {
   const propertyName = property.getLabel();
   const getLabel = (instance: Instance) => {
@@ -272,6 +273,9 @@ const createField = (
       isHighlighted: isHighlightedForString,
     };
   } else if (valueType === 'resource') {
+    if (hideResourceProperties) {
+      return null;
+    }
     // Resource is a "string" (with a selector in the UI)
     const extraInfos = property.getExtraInfo().toJSArray();
     // $FlowFixMe[incompatible-type] - assume the passed resource kind is always valid.
@@ -522,6 +526,7 @@ type CommonProps = {|
   visibility?: 'All' | 'Basic' | 'Advanced' | 'Deprecated' | 'Basic-Quick',
   quickCustomizationVisibilities?: gdQuickCustomizationVisibilitiesContainer,
   showcaseNonDefaultValues?: boolean,
+  hideResourceProperties?: boolean,
 |};
 
 export const effectPropertiesMapToSchema = ({
@@ -529,7 +534,7 @@ export const effectPropertiesMapToSchema = ({
   object,
   visibility = 'All',
   quickCustomizationVisibilities,
-  showcaseNonDefaultValues,
+  hideResourceProperties,
 }: {
   ...CommonProps,
   defaultValueProperties: gdMapStringPropertyDescriptor,
@@ -541,7 +546,7 @@ export const effectPropertiesMapToSchema = ({
     layersContainer: null,
     visibility,
     quickCustomizationVisibilities,
-    showcaseNonDefaultValues,
+    hideResourceProperties,
     getNumberValue: (instance: Instance, propertyName: string): number =>
       instance.hasDoubleParameter(propertyName)
         ? instance.getDoubleParameter(propertyName)
@@ -593,6 +598,7 @@ const propertiesMapToSchema = ({
   visibility = 'All',
   quickCustomizationVisibilities,
   showcaseNonDefaultValues,
+  hideResourceProperties,
 }: {
   ...CommonProps,
   getPropertyValue: (instance: Instance, propertyName: string) => string,
@@ -612,6 +618,7 @@ const propertiesMapToSchema = ({
     visibility,
     quickCustomizationVisibilities,
     showcaseNonDefaultValues,
+    hideResourceProperties,
     getNumberValue: (instance: Instance, propertyName: string): number => {
       // Consider a missing value as 0 to avoid propagating NaN.
       return parseFloat(getPropertyValue(instance, propertyName)) || 0;
@@ -642,6 +649,7 @@ const adaptablePropertiesMapToSchema = ({
   visibility = 'All',
   quickCustomizationVisibilities,
   showcaseNonDefaultValues,
+  hideResourceProperties,
   getNumberValue,
   getStringValue,
   getBooleanValue,
@@ -776,7 +784,8 @@ const adaptablePropertiesMapToSchema = ({
               rowPropertyDefaultValue,
               layersContainer,
               object,
-              !!showcaseNonDefaultValues
+              !!showcaseNonDefaultValues,
+              !!hideResourceProperties
             );
 
             if (field) {
@@ -815,7 +824,8 @@ const adaptablePropertiesMapToSchema = ({
           : null,
         layersContainer,
         object,
-        !!showcaseNonDefaultValues
+        !!showcaseNonDefaultValues,
+        !!hideResourceProperties
       );
     }
     if (field) {
diff --git a/newIDE/app/src/SceneEditor/InstanceOrObjectPropertiesEditorContainer.js b/newIDE/app/src/SceneEditor/InstanceOrObjectPropertiesEditorContainer.js
index c2f53313fa76..3cefa370e364 100644
--- a/newIDE/app/src/SceneEditor/InstanceOrObjectPropertiesEditorContainer.js
+++ b/newIDE/app/src/SceneEditor/InstanceOrObjectPropertiesEditorContainer.js
@@ -213,7 +213,6 @@ export const InstanceOrObjectPropertiesEditorContainer: React.ComponentType<{
             resourceManagementProps={resourceManagementProps}
             unsavedChanges={unsavedChanges}
             i18n={i18n}
-            canOverrideBehaviorProperties={!!eventsFunctionsExtension}
           />
         ) : !!objects.length && lastSelectionType === 'object' ? (
           <CompactObjectPropertiesEditor
diff --git a/newIDE/app/src/stories/componentStories/LayoutEditor/CompactInstancePropertiesEditor.stories.js b/newIDE/app/src/stories/componentStories/LayoutEditor/CompactInstancePropertiesEditor.stories.js
index c5b5a449cdeb..fe419ab5c554 100644
--- a/newIDE/app/src/stories/componentStories/LayoutEditor/CompactInstancePropertiesEditor.stories.js
+++ b/newIDE/app/src/stories/componentStories/LayoutEditor/CompactInstancePropertiesEditor.stories.js
@@ -42,7 +42,6 @@ export const InstanceSprite2d = (): React.Node => (
             )}
             tileMapTileSelection={null}
             onSelectTileMapTile={() => {}}
-            canOverrideBehaviorProperties={true}
             resourceManagementProps={fakeResourceManagementProps}
           />
         </SerializedObjectDisplay>
@@ -74,7 +73,6 @@ export const InstanceCube3d = (): React.Node => (
             )}
             tileMapTileSelection={null}
             onSelectTileMapTile={() => {}}
-            canOverrideBehaviorProperties={true}
             resourceManagementProps={fakeResourceManagementProps}
           />
         </SerializedObjectDisplay>
@@ -106,7 +104,6 @@ export const InstanceTextInput = (): React.Node => (
             )}
             tileMapTileSelection={null}
             onSelectTileMapTile={() => {}}
-            canOverrideBehaviorProperties={true}
             resourceManagementProps={fakeResourceManagementProps}
           />
         </SerializedObjectDisplay>