diff --git a/crates/bevy_editor_pls/src/lib.rs b/crates/bevy_editor_pls/src/lib.rs
index 13c3db7..aeaddb9 100644
--- a/crates/bevy_editor_pls/src/lib.rs
+++ b/crates/bevy_editor_pls/src/lib.rs
@@ -85,7 +85,7 @@ impl Plugin for EditorPlugin {
                 if window.title == "Bevy App" {
                     window.title = "bevy_editor_pls".into();
                 }
-                let entity = app.world.spawn(window);
+                let entity = app.world_mut().spawn(window);
                 WindowRef::Entity(entity.id())
             }
             EditorWindowPlacement::Window(entity) => WindowRef::Entity(entity),
@@ -136,7 +136,7 @@ impl Plugin for EditorPlugin {
             app.insert_resource(controls::EditorControls::default_bindings())
                 .add_systems(Update, controls::editor_controls_system);
 
-            let mut internal_state = app.world.resource_mut::<editor::EditorInternalState>();
+            let mut internal_state = app.world_mut().resource_mut::<editor::EditorInternalState>();
 
             let [game, _inspector] =
                 internal_state.split_right::<InspectorWindow>(egui_dock::NodeIndex::root(), 0.75);
diff --git a/crates/bevy_editor_pls_core/src/lib.rs b/crates/bevy_editor_pls_core/src/lib.rs
index 4b91e5a..755026c 100644
--- a/crates/bevy_editor_pls_core/src/lib.rs
+++ b/crates/bevy_editor_pls_core/src/lib.rs
@@ -39,7 +39,7 @@ impl<W: EditorWindow> Plugin for WindowSetupPlugin<W> {
 
 impl AddEditorWindow for App {
     fn add_editor_window<W: EditorWindow>(&mut self) -> &mut Self {
-        let mut editor = self.world.get_resource_mut::<Editor>().expect("Editor resource missing. Make sure to add the `EditorPlugin` before calling `app.add_editor_window`.");
+        let mut editor = self.world_mut().get_resource_mut::<Editor>().expect("Editor resource missing. Make sure to add the `EditorPlugin` before calling `app.add_editor_window`.");
         editor.add_window::<W>();
 
         self.add_plugins(WindowSetupPlugin::<W>(PhantomData));
@@ -69,9 +69,9 @@ impl Plugin for EditorPlugin {
         let (window_entity, always_active) = match self.window {
             WindowRef::Primary => {
                 let entity = app
-                    .world
+                    .world_mut()
                     .query_filtered::<Entity, With<PrimaryWindow>>()
-                    .single(&app.world);
+                    .single(&app.world());
                 (entity, false)
             }
             WindowRef::Entity(entity) => (entity, true),
diff --git a/crates/bevy_editor_pls_default_windows/src/debug_settings/debugdump.rs b/crates/bevy_editor_pls_default_windows/src/debug_settings/debugdump.rs
index 509999d..a870dd1 100644
--- a/crates/bevy_editor_pls_default_windows/src/debug_settings/debugdump.rs
+++ b/crates/bevy_editor_pls_default_windows/src/debug_settings/debugdump.rs
@@ -24,7 +24,7 @@ pub fn setup(app: &mut App) {
             return;
         }
     };
-    let render_graph = render_app.world.get_resource::<RenderGraph>().unwrap();
+    let render_graph = render_app.world().get_resource::<RenderGraph>().unwrap();
 
     let schedule_settings = schedule_graph::settings::Settings {
         include_system: Some(Box::new(|system| {
@@ -35,18 +35,18 @@ pub fn setup(app: &mut App) {
     let rendergraph_settings = render_graph::settings::Settings::default();
 
     let update_schedule = app.get_schedule(Update).map(|schedule| {
-        schedule_graph::schedule_graph_dot(schedule, &app.world, &schedule_settings)
+        schedule_graph::schedule_graph_dot(schedule, &app.world(), &schedule_settings)
     });
 
     let fixed_update_schedule = app.get_schedule(FixedUpdate).map(|schedule| {
-        schedule_graph::schedule_graph_dot(schedule, &app.world, &schedule_settings)
+        schedule_graph::schedule_graph_dot(schedule, &app.world(), &schedule_settings)
     });
 
     let render_main_schedule = render_app.get_schedule(Render).map(|schedule| {
-        schedule_graph::schedule_graph_dot(schedule, &app.world, &schedule_settings)
+        schedule_graph::schedule_graph_dot(schedule, &app.world(), &schedule_settings)
     });
     let render_extract_schedule = render_app.get_schedule(ExtractSchedule).map(|schedule| {
-        schedule_graph::schedule_graph_dot(schedule, &app.world, &schedule_settings)
+        schedule_graph::schedule_graph_dot(schedule, &app.world(), &schedule_settings)
     });
 
     let render_graph = render_graph::render_graph_dot(render_graph, &rendergraph_settings);
diff --git a/crates/bevy_editor_pls_default_windows/src/gizmos.rs b/crates/bevy_editor_pls_default_windows/src/gizmos.rs
index 2938b14..3943d3c 100644
--- a/crates/bevy_editor_pls_default_windows/src/gizmos.rs
+++ b/crates/bevy_editor_pls_default_windows/src/gizmos.rs
@@ -117,7 +117,7 @@ impl EditorWindow for GizmoWindow {
     }
 
     fn app_setup(app: &mut App) {
-        let mut materials = app.world.resource_mut::<Assets<StandardMaterial>>();
+        let mut materials = app.world_mut().resource_mut::<Assets<StandardMaterial>>();
         let material_light = materials.add(StandardMaterial {
             base_color: Color::rgba_u8(222, 208, 103, 255),
             unlit: true,
@@ -133,10 +133,10 @@ impl EditorWindow for GizmoWindow {
             ..default()
         });
 
-        let mut meshes = app.world.resource_mut::<Assets<Mesh>>();
+        let mut meshes = app.world_mut().resource_mut::<Assets<Mesh>>();
         let sphere = meshes.add(Sphere { radius: 0.3 });
 
-        app.world.insert_resource(GizmoMarkerConfig {
+        app.world_mut().insert_resource(GizmoMarkerConfig {
             point_light_mesh: sphere.clone(),
             point_light_material: material_light.clone(),
             directional_light_mesh: sphere.clone(),