diff --git a/packages/base-controller/src/BaseControllerV2.test.ts b/packages/base-controller/src/BaseControllerV2.test.ts
index f9a2e86c40d..e243b330227 100644
--- a/packages/base-controller/src/BaseControllerV2.test.ts
+++ b/packages/base-controller/src/BaseControllerV2.test.ts
@@ -296,6 +296,64 @@ describe('BaseController', () => {
     ]);
   });
 
+  it('should notify a subscriber with a selector of state changes', () => {
+    const controllerMessenger = new ControllerMessenger<
+      never,
+      CountControllerEvent
+    >();
+    const controller = new CountController({
+      messenger: getCountMessenger(controllerMessenger),
+      name: 'CountController',
+      state: { count: 0 },
+      metadata: countControllerStateMetadata,
+    });
+    const listener = sinon.stub();
+    controllerMessenger.subscribe(
+      'CountController:stateChange',
+      listener,
+      ({ count }) => {
+        // Selector rounds down to nearest multiple of 10
+        return Math.floor(count / 10);
+      },
+    );
+
+    controller.update(() => {
+      return { count: 10 };
+    });
+
+    expect(listener.callCount).toBe(1);
+    expect(listener.firstCall.args).toStrictEqual([1, 0]);
+  });
+
+  it('should not inform a subscriber of state changes if the selected value is unchanged', () => {
+    const controllerMessenger = new ControllerMessenger<
+      never,
+      CountControllerEvent
+    >();
+    const controller = new CountController({
+      messenger: getCountMessenger(controllerMessenger),
+      name: 'CountController',
+      state: { count: 0 },
+      metadata: countControllerStateMetadata,
+    });
+    const listener = sinon.stub();
+    controllerMessenger.subscribe(
+      'CountController:stateChange',
+      listener,
+      ({ count }) => {
+        // Selector rounds down to nearest multiple of 10
+        return Math.floor(count / 10);
+      },
+    );
+
+    controller.update(() => {
+      // Note that this rounds down to zero, so the selected value is still zero
+      return { count: 1 };
+    });
+
+    expect(listener.callCount).toBe(0);
+  });
+
   it('should inform a subscriber of each state change once even after multiple subscriptions', () => {
     const controllerMessenger = new ControllerMessenger<
       never,
diff --git a/packages/base-controller/src/BaseControllerV2.ts b/packages/base-controller/src/BaseControllerV2.ts
index 92ea30f9adb..32467cf0d43 100644
--- a/packages/base-controller/src/BaseControllerV2.ts
+++ b/packages/base-controller/src/BaseControllerV2.ts
@@ -154,6 +154,11 @@ export class BaseController<
       `${name}:getState`,
       () => this.state,
     );
+
+    this.messagingSystem.registerInitialEventPayload({
+      eventType: `${name}:stateChange`,
+      getPayload: () => [this.state, []],
+    });
   }
 
   /**
diff --git a/packages/signature-controller/src/SignatureController.test.ts b/packages/signature-controller/src/SignatureController.test.ts
index 4f176a66a0f..240e93c85c8 100644
--- a/packages/signature-controller/src/SignatureController.test.ts
+++ b/packages/signature-controller/src/SignatureController.test.ts
@@ -94,6 +94,7 @@ const createMessengerMock = () =>
     registerActionHandler: jest.fn(),
     publish: jest.fn(),
     call: jest.fn(),
+    registerInitialEventPayload: jest.fn(),
     // TODO: Replace `any` with type
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
   } as any as jest.Mocked<SignatureControllerMessenger>);