diff --git a/src/components/Panel/Panel.tsx b/src/components/Panel/Panel.tsx
index 44173267de..f2cdcfd074 100644
--- a/src/components/Panel/Panel.tsx
+++ b/src/components/Panel/Panel.tsx
@@ -6,13 +6,10 @@ import cx from 'classnames';
 import Template from '../Template/Template';
 import type {
   PanelCSSClasses,
+  PanelSharedOptions,
   PanelTemplates,
 } from '../../widgets/panel/panel';
-import type {
-  ComponentCSSClasses,
-  RenderOptions,
-  UnknownWidgetFactory,
-} from '../../types';
+import type { ComponentCSSClasses, UnknownWidgetFactory } from '../../types';
 
 export type PanelComponentCSSClasses = ComponentCSSClasses<
   // `collapseIcon` is only used in the default templates of the widget
@@ -26,7 +23,7 @@ export type PanelProps<TWidget extends UnknownWidgetFactory> = {
   hidden: boolean;
   collapsible: boolean;
   isCollapsed: boolean;
-  data: RenderOptions | Record<string, never>;
+  data: PanelSharedOptions<TWidget>;
   cssClasses: PanelComponentCSSClasses;
   templates: PanelComponentTemplates<TWidget>;
   bodyElement: HTMLElement;
diff --git a/src/widgets/panel/__tests__/panel-test.ts b/src/widgets/panel/__tests__/panel-test.ts
index b16faa4f92..1a866fb8a9 100644
--- a/src/widgets/panel/__tests__/panel-test.ts
+++ b/src/widgets/panel/__tests__/panel-test.ts
@@ -114,10 +114,12 @@ describe('Templates', () => {
   test('with default templates', () => {
     const widgetWithPanel = panel()(widgetFactory);
 
-    widgetWithPanel({
+    const widget = widgetWithPanel({
       container: document.createElement('div'),
     });
 
+    widget.init(createInitOptions());
+
     const firstRender = render.mock.calls[0][0] as VNode<
       PanelProps<typeof widgetFactory>
     >;
@@ -137,10 +139,12 @@ describe('Templates', () => {
       },
     })(widgetFactory);
 
-    widgetWithPanel({
+    const widget = widgetWithPanel({
       container: document.createElement('div'),
     });
 
+    widget.init(createInitOptions());
+
     const firstRender = render.mock.calls[0][0] as VNode<
       PanelProps<typeof widgetFactory>
     >;
@@ -156,10 +160,12 @@ describe('Templates', () => {
       },
     })(widgetFactory);
 
-    widgetWithPanel({
+    const widget = widgetWithPanel({
       container: document.createElement('div'),
     });
 
+    widget.init(createInitOptions());
+
     const firstRender = render.mock.calls[0][0] as VNode<
       PanelProps<typeof widgetFactory>
     >;
@@ -175,10 +181,12 @@ describe('Templates', () => {
       },
     })(widgetFactory);
 
-    widgetWithPanel({
+    const widget = widgetWithPanel({
       container: document.createElement('div'),
     });
 
+    widget.init(createInitOptions());
+
     const firstRender = render.mock.calls[0][0] as VNode<
       PanelProps<typeof widgetFactory>
     >;
@@ -206,32 +214,235 @@ describe('Lifecycle', () => {
       container: document.createElement('div'),
     });
 
-    widgetWithPanel.init!(createInitOptions());
-    widgetWithPanel.render!(createRenderOptions());
-    widgetWithPanel.dispose!(createDisposeOptions());
+    widgetWithPanel.init(createInitOptions());
+    widgetWithPanel.render(createRenderOptions());
+    widgetWithPanel.dispose(createDisposeOptions());
 
     expect(widget.init).toHaveBeenCalledTimes(1);
     expect(widget.render).toHaveBeenCalledTimes(1);
     expect(widget.dispose).toHaveBeenCalledTimes(1);
   });
 
-  test('returns the `state` from the widget dispose function', () => {
-    const nextSearchParameters = new algoliasearchHelper.SearchParameters({
-      facets: ['brands'],
+  describe('init', () => {
+    test("calls the wrapped widget's init", () => {
+      const widget = {
+        $$type: 'mock.widget',
+        init: jest.fn(),
+      };
+      const widgetFactory = () => widget;
+
+      const widgetWithPanel = panel()(widgetFactory)({
+        container: document.createElement('div'),
+      });
+
+      const initOptions = createInitOptions();
+
+      widgetWithPanel.init(initOptions);
+
+      expect(widget.init).toHaveBeenCalledTimes(1);
+      expect(widget.init).toHaveBeenCalledWith(initOptions);
     });
-    const widget = {
-      $$type: 'mock.widget',
-      init: jest.fn(),
-      dispose: jest.fn(() => nextSearchParameters),
-    };
-    const widgetFactory = () => widget;
 
-    const widgetWithPanel = panel()(widgetFactory)({
-      container: document.createElement('div'),
+    test('does not call hidden and collapsed yet', () => {
+      const renderState = {
+        widgetParams: {},
+        swag: true,
+      };
+
+      const widget = {
+        $$type: 'mock.widget',
+        render: jest.fn(),
+        getWidgetRenderState() {
+          return renderState;
+        },
+      };
+
+      const widgetFactory = () => widget;
+
+      const hiddenFn = jest.fn();
+      const collapsedFn = jest.fn();
+
+      const widgetWithPanel = panel({
+        hidden: hiddenFn,
+        collapsed: collapsedFn,
+      })(widgetFactory)({
+        container: document.createElement('div'),
+      });
+
+      const initOptions = createInitOptions();
+
+      widgetWithPanel.init(initOptions);
+
+      expect(hiddenFn).toHaveBeenCalledTimes(0);
+      expect(collapsedFn).toHaveBeenCalledTimes(0);
+    });
+
+    test('renders with render state', () => {
+      const renderState = {
+        widgetParams: {},
+        swag: true,
+      };
+
+      const widget = {
+        $$type: 'mock.widget',
+        render: jest.fn(),
+        getWidgetRenderState() {
+          return renderState;
+        },
+      };
+
+      const widgetFactory = () => widget;
+
+      const widgetWithPanel = panel()(widgetFactory)({
+        container: document.createElement('div'),
+      });
+
+      const initOptions = createInitOptions();
+
+      widgetWithPanel.init(initOptions);
+
+      const firstRender = render.mock.calls[0][0] as VNode<
+        PanelProps<typeof widgetFactory>
+      >;
+
+      expect(firstRender.props).toEqual(
+        expect.objectContaining({
+          hidden: true,
+          collapsible: false,
+          isCollapsed: false,
+          data: {
+            ...renderState,
+            ...initOptions,
+          },
+        })
+      );
+    });
+  });
+
+  describe('render', () => {
+    test("calls the wrapped widget's render", () => {
+      const widget = {
+        $$type: 'mock.widget',
+        render: jest.fn(),
+      };
+      const widgetFactory = () => widget;
+
+      const widgetWithPanel = panel()(widgetFactory)({
+        container: document.createElement('div'),
+      });
+
+      const renderOptions = createRenderOptions();
+
+      widgetWithPanel.render(renderOptions);
+
+      expect(widget.render).toHaveBeenCalledTimes(1);
+      expect(widget.render).toHaveBeenCalledWith(renderOptions);
+    });
+
+    test("calls hidden and collapsed with the wrapped widget's render state", () => {
+      const renderState = {
+        widgetParams: {},
+        swag: true,
+      };
+
+      const widget = {
+        $$type: 'mock.widget',
+        render: jest.fn(),
+        getWidgetRenderState() {
+          return renderState;
+        },
+      };
+
+      const widgetFactory = () => widget;
+
+      const hiddenFn = jest.fn();
+      const collapsedFn = jest.fn();
+
+      const widgetWithPanel = panel({
+        hidden: hiddenFn,
+        collapsed: collapsedFn,
+      })(widgetFactory)({
+        container: document.createElement('div'),
+      });
+
+      const renderOptions = createRenderOptions();
+
+      widgetWithPanel.render(renderOptions);
+
+      expect(hiddenFn).toHaveBeenCalledTimes(1);
+      expect(hiddenFn).toHaveBeenCalledWith({
+        ...renderState,
+        ...renderOptions,
+      });
+
+      expect(collapsedFn).toHaveBeenCalledTimes(1);
+      expect(collapsedFn).toHaveBeenCalledWith({
+        ...renderState,
+        ...renderOptions,
+      });
+    });
+
+    test('renders with render state', () => {
+      const renderState = {
+        widgetParams: {},
+        swag: true,
+      };
+
+      const widget = {
+        $$type: 'mock.widget',
+        render: jest.fn(),
+        getWidgetRenderState() {
+          return renderState;
+        },
+      };
+
+      const widgetFactory = () => widget;
+
+      const widgetWithPanel = panel()(widgetFactory)({
+        container: document.createElement('div'),
+      });
+
+      const renderOptions = createRenderOptions();
+
+      widgetWithPanel.render(renderOptions);
+
+      const firstRender = render.mock.calls[0][0] as VNode<
+        PanelProps<typeof widgetFactory>
+      >;
+
+      expect(firstRender.props).toEqual(
+        expect.objectContaining({
+          hidden: false,
+          collapsible: false,
+          isCollapsed: false,
+          data: {
+            ...renderState,
+            ...renderOptions,
+          },
+        })
+      );
     });
+  });
 
-    const nextState = widgetWithPanel.dispose!(createDisposeOptions({}));
+  describe('dispose', () => {
+    test("returns the state from the widget's dispose function", () => {
+      const nextSearchParameters = new algoliasearchHelper.SearchParameters({
+        facets: ['brands'],
+      });
+      const widget = {
+        $$type: 'mock.widget',
+        init: jest.fn(),
+        dispose: jest.fn(() => nextSearchParameters),
+      };
+      const widgetFactory = () => widget;
+
+      const widgetWithPanel = panel()(widgetFactory)({
+        container: document.createElement('div'),
+      });
+
+      const nextState = widgetWithPanel.dispose(createDisposeOptions());
 
-    expect(nextState).toEqual(nextSearchParameters);
+      expect(nextState).toEqual(nextSearchParameters);
+    });
   });
 });
diff --git a/src/widgets/panel/panel.tsx b/src/widgets/panel/panel.tsx
index 221a7d5464..8f2bf0bee3 100644
--- a/src/widgets/panel/panel.tsx
+++ b/src/widgets/panel/panel.tsx
@@ -11,7 +11,13 @@ import {
 import { component } from '../../lib/suit';
 import type { PanelComponentCSSClasses } from '../../components/Panel/Panel';
 import Panel from '../../components/Panel/Panel';
-import type { Template, RenderOptions, WidgetFactory } from '../../types';
+import type {
+  Template,
+  RenderOptions,
+  WidgetFactory,
+  InitOptions,
+  Widget,
+} from '../../types';
 
 export type PanelCSSClasses = Partial<{
   /**
@@ -100,6 +106,12 @@ type GetWidgetRenderState<TWidgetFactory extends AnyWidgetFactory> =
 export type PanelRenderOptions<TWidgetFactory extends AnyWidgetFactory> =
   RenderOptions & GetWidgetRenderState<TWidgetFactory>;
 
+export type PanelSharedOptions<TWidgetFactory extends AnyWidgetFactory> = (
+  | InitOptions
+  | RenderOptions
+) &
+  GetWidgetRenderState<TWidgetFactory>;
+
 export type PanelWidgetParams<TWidgetFactory extends AnyWidgetFactory> = {
   /**
    * A function that is called on each render to determine if the
@@ -145,7 +157,7 @@ const renderer =
     collapsible,
     collapsed,
   }: {
-    options: RenderOptions | Record<string, never>;
+    options: PanelSharedOptions<TWidget>;
     hidden: boolean;
     collapsible: boolean;
     collapsed: boolean;
@@ -164,13 +176,19 @@ const renderer =
     );
   };
 
+type AugmentedWidget<
+  TWidgetFactory extends AnyWidgetFactory,
+  TOverriddenKeys extends keyof Widget = 'init' | 'render' | 'dispose'
+> = Omit<ReturnType<TWidgetFactory>, TOverriddenKeys> &
+  Pick<Required<Widget>, TOverriddenKeys>;
+
 export type PanelWidget = <TWidgetFactory extends AnyWidgetFactory>(
   panelWidgetParams?: PanelWidgetParams<TWidgetFactory>
 ) => (
   widgetFactory: TWidgetFactory
 ) => (
   widgetParams: Parameters<TWidgetFactory>[0]
-) => ReturnType<TWidgetFactory>;
+) => AugmentedWidget<TWidgetFactory>;
 
 /**
  * The panel widget wraps other widgets in a consistent panel design.
@@ -265,32 +283,37 @@ const panel: PanelWidget = (panelWidgetParams) => {
       },
     });
 
-    renderPanel({
-      options: {},
-      hidden: true,
-      collapsible,
-      collapsed: false,
-    });
-
     const widget = widgetFactory({
       ...widgetParams,
       container: bodyContainerNode,
     });
 
     // TypeScript somehow loses track of the ...widget type, since it's
-    // not directly returned. Eventually the "as ReturnType<typeof widgetFactory>"
+    // not directly returned. Eventually the "as AugmentedWidget<typeof widgetFactory>"
     // will not be needed anymore.
     // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
     return {
       ...widget,
-      dispose(...args) {
-        render(null, containerNode);
+      init(...args) {
+        const [renderOptions] = args;
 
-        if (typeof widget.dispose === 'function') {
-          return widget.dispose.call(this, ...args);
-        }
+        const options = {
+          ...(widget.getWidgetRenderState
+            ? widget.getWidgetRenderState(renderOptions)
+            : {}),
+          ...renderOptions,
+        };
 
-        return undefined;
+        renderPanel({
+          options,
+          hidden: true,
+          collapsible,
+          collapsed: false,
+        });
+
+        if (typeof widget.init === 'function') {
+          widget.init.call(this, ...args);
+        }
       },
       render(...args) {
         const [renderOptions] = args;
@@ -313,7 +336,16 @@ const panel: PanelWidget = (panelWidgetParams) => {
           widget.render.call(this, ...args);
         }
       },
-    } as ReturnType<typeof widgetFactory>;
+      dispose(...args) {
+        render(null, containerNode);
+
+        if (typeof widget.dispose === 'function') {
+          return widget.dispose.call(this, ...args);
+        }
+
+        return undefined;
+      },
+    } as AugmentedWidget<typeof widgetFactory>;
   };
 };