diff --git a/packages/qwik/src/core/api.md b/packages/qwik/src/core/api.md
index 06aa3736bdc..07212c136eb 100644
--- a/packages/qwik/src/core/api.md
+++ b/packages/qwik/src/core/api.md
@@ -335,13 +335,12 @@ export { DomContainer as _DomContainer }
 // @public (undocumented)
 export type EagernessOptions = 'visible' | 'load' | 'idle';
 
-// Warning: (ae-forgotten-export) The symbol "Task" needs to be exported by the entry point index.d.ts
-// Warning: (ae-forgotten-export) The symbol "ISsrNode" needs to be exported by the entry point index.d.ts
-// Warning: (ae-forgotten-export) The symbol "Signal_3" needs to be exported by the entry point index.d.ts
-// Warning: (ae-internal-missing-underscore) The name "Effect" should be prefixed with an underscore because the declaration is marked as @internal
-//
-// @internal
-export type Effect = Task | _VNode | ISsrNode | Signal_3;
+// @internal (undocumented)
+export class _EffectData<T extends Record<string, any> = Record<string, any>> {
+    constructor(data: T);
+    // (undocumented)
+    data: T;
+}
 
 // @internal (undocumented)
 export type _ElementVNode = [
@@ -1132,8 +1131,10 @@ export abstract class _SharedContainer implements Container2 {
     abstract setContext<T>(host: HostElement, context: ContextId<T>, value: T): void;
     // (undocumented)
     abstract setHostProp<T>(host: HostElement, name: string, value: T): void;
+    // Warning: (ae-forgotten-export) The symbol "Effect" needs to be exported by the entry point index.d.ts
+    //
     // (undocumented)
-    trackSignalValue<T>(signal: Signal_2, subscriber: Effect, property: string, data: any): T;
+    trackSignalValue<T>(signal: Signal_2, subscriber: Effect, property: string, data: _EffectData): T;
 }
 
 // @public
diff --git a/packages/qwik/src/core/index.ts b/packages/qwik/src/core/index.ts
index 5f4c2e2a836..a535b08018f 100644
--- a/packages/qwik/src/core/index.ts
+++ b/packages/qwik/src/core/index.ts
@@ -127,7 +127,6 @@ export { useComputed$, useTask$, useVisibleTask$ } from './use/use-task-dollar';
 export { useErrorBoundary } from './use/use-error-boundary';
 export type { ErrorBoundaryStore } from './render/error-handling';
 export {
-  type Effect,
   type ReadonlySignal,
   type Signal,
   type ComputedSignal,
@@ -138,6 +137,7 @@ export {
   createComputedQrl,
   createComputed$,
 } from './v2/signal/v2-signal.public';
+export { EffectData as _EffectData } from './v2/signal/v2-signal';
 
 //////////////////////////////////////////////////////////////////////////////////////////
 // Developer Low-Level API
diff --git a/packages/qwik/src/core/use/use-core.ts b/packages/qwik/src/core/use/use-core.ts
index ac968c7621f..d9e55ec1950 100644
--- a/packages/qwik/src/core/use/use-core.ts
+++ b/packages/qwik/src/core/use/use-core.ts
@@ -25,7 +25,11 @@ import type { Container2 } from '../v2/shared/types';
 import { vnode_getNode, vnode_isElementVNode, vnode_isVNode } from '../v2/client/vnode';
 import { _getQContainerElement } from '../v2/client/dom-container';
 import type { ContainerElement } from '../v2/client/types';
-import type { EffectSubscriptions, EffectSubscriptionsProp } from '../v2/signal/v2-signal';
+import type {
+  EffectData,
+  EffectSubscriptions,
+  EffectSubscriptionsProp,
+} from '../v2/signal/v2-signal';
 
 declare const document: QwikDocument;
 
@@ -260,12 +264,15 @@ export const trackSignal = <T>(
   subscriber: EffectSubscriptions[EffectSubscriptionsProp.EFFECT],
   property: EffectSubscriptions[EffectSubscriptionsProp.PROPERTY],
   container: Container2,
-  data: EffectSubscriptions[EffectSubscriptionsProp.DATA] = null
+  data?: EffectData
 ): T => {
   const previousSubscriber = trackInvocation.$effectSubscriber$;
   const previousContainer = trackInvocation.$container2$;
   try {
-    trackInvocation.$effectSubscriber$ = [subscriber, property, data];
+    trackInvocation.$effectSubscriber$ = [subscriber, property];
+    if (data) {
+      trackInvocation.$effectSubscriber$.push(data);
+    }
     trackInvocation.$container2$ = container;
     return invoke(trackInvocation, fn);
   } finally {
diff --git a/packages/qwik/src/core/use/use-task.ts b/packages/qwik/src/core/use/use-task.ts
index e3d25cd1c37..0438fe46ff4 100644
--- a/packages/qwik/src/core/use/use-task.ts
+++ b/packages/qwik/src/core/use/use-task.ts
@@ -354,7 +354,7 @@ export const runTask2 = (
 
   const track: Tracker = (obj: (() => unknown) | object | Signal<unknown>, prop?: string) => {
     const ctx = newInvokeContext();
-    ctx.$effectSubscriber$ = [task, EffectProperty.COMPONENT, null];
+    ctx.$effectSubscriber$ = [task, EffectProperty.COMPONENT];
     ctx.$container2$ = container;
     return invoke(ctx, () => {
       if (isFunction(obj)) {
@@ -556,7 +556,7 @@ export const runResource = <T>(
 
   const track: Tracker = (obj: (() => unknown) | object | Signal<unknown>, prop?: string) => {
     const ctx = newInvokeContext();
-    ctx.$effectSubscriber$ = [task, EffectProperty.COMPONENT, null];
+    ctx.$effectSubscriber$ = [task, EffectProperty.COMPONENT];
     ctx.$container2$ = container;
     return invoke(ctx, () => {
       if (isFunction(obj)) {
diff --git a/packages/qwik/src/core/v2/client/vnode-diff.ts b/packages/qwik/src/core/v2/client/vnode-diff.ts
index e5cf171351f..e241584cec9 100644
--- a/packages/qwik/src/core/v2/client/vnode-diff.ts
+++ b/packages/qwik/src/core/v2/client/vnode-diff.ts
@@ -34,7 +34,7 @@ import {
   isHtmlAttributeAnEventName,
   isJsxPropertyAnEventName,
 } from '../shared/event-names';
-import { ChoreType } from '../shared/scheduler';
+import { ChoreType, type NodePropData } from '../shared/scheduler';
 import { hasClassAttr } from '../shared/scoped-styles';
 import type {
   HostElement,
@@ -92,7 +92,7 @@ import {
   type VNodeJournal,
 } from './vnode';
 import { getNewElementNamespaceData } from './vnode-namespace';
-import { WrappedSignal, EffectProperty, isSignal } from '../signal/v2-signal';
+import { WrappedSignal, EffectProperty, isSignal, EffectData } from '../signal/v2-signal';
 import type { Signal } from '../signal/v2-signal.public';
 import { executeComponent2 } from '../shared/component-execution';
 import { isParentSlotProp, isSlotProp } from '../../util/prop';
@@ -629,12 +629,16 @@ export const vnode_diff = (
         }
 
         if (isSignal(value)) {
+          const signalData = new EffectData<NodePropData>({
+            $scopedStyleIdPrefix$: scopedStyleIdPrefix,
+            $isConst$: true,
+          });
           value = trackSignal(
             () => (value as Signal<unknown>).value,
             vNewNode as ElementVNode,
             key,
             container,
-            scopedStyleIdPrefix
+            signalData
           );
         }
 
diff --git a/packages/qwik/src/core/v2/shared/component-execution.ts b/packages/qwik/src/core/v2/shared/component-execution.ts
index 647945fb052..e81b9dbcfad 100644
--- a/packages/qwik/src/core/v2/shared/component-execution.ts
+++ b/packages/qwik/src/core/v2/shared/component-execution.ts
@@ -58,7 +58,7 @@ export const executeComponent2 = (
     undefined,
     RenderEvent
   );
-  iCtx.$effectSubscriber$ = [subscriptionHost, EffectProperty.COMPONENT, null];
+  iCtx.$effectSubscriber$ = [subscriptionHost, EffectProperty.COMPONENT];
   iCtx.$container2$ = container;
   let componentFn: (props: unknown) => ValueOrPromise<JSXOutput>;
   container.ensureProjectionResolved(renderHost);
diff --git a/packages/qwik/src/core/v2/shared/scheduler.ts b/packages/qwik/src/core/v2/shared/scheduler.ts
index 77368338e3b..7a8bdca6c86 100644
--- a/packages/qwik/src/core/v2/shared/scheduler.ts
+++ b/packages/qwik/src/core/v2/shared/scheduler.ts
@@ -153,9 +153,13 @@ export interface Chore {
   $executed$: boolean;
 }
 
-export interface NodePropPayload {
-  value: Signal<unknown>;
-  scopedStyleIdPrefix: string | null;
+export interface NodePropData {
+  $scopedStyleIdPrefix$: string | null;
+  $isConst$: boolean;
+}
+
+export interface NodePropPayload extends NodePropData {
+  $value$: Signal<unknown>;
 }
 
 export type Scheduler = ReturnType<typeof createScheduler>;
@@ -372,16 +376,14 @@ export const createScheduler = (
       case ChoreType.NODE_PROP:
         const virtualNode = chore.$host$ as unknown as ElementVNode;
         const payload = chore.$payload$ as NodePropPayload;
-        let value: Signal<any> | string = payload.value;
-        // TODO: temp solution!
-        let isConst = false;
+        let value: Signal<any> | string = payload.$value$;
         if (isSignal(value)) {
           value = value.value as any;
-          isConst = true;
         }
+        const isConst = payload.$isConst$;
         const journal = (container as DomContainer).$journal$;
         const property = chore.$idx$ as string;
-        value = serializeAttribute(property, value, payload.scopedStyleIdPrefix);
+        value = serializeAttribute(property, value, payload.$scopedStyleIdPrefix$);
         if (isConst) {
           const element = virtualNode[ElementVNodeProps.element] as Element;
           journal.push(VNodeJournalOpCode.SetAttribute, element, property, value);
diff --git a/packages/qwik/src/core/v2/shared/shared-container.ts b/packages/qwik/src/core/v2/shared/shared-container.ts
index cd7b7fce902..b6d006c07da 100644
--- a/packages/qwik/src/core/v2/shared/shared-container.ts
+++ b/packages/qwik/src/core/v2/shared/shared-container.ts
@@ -5,7 +5,7 @@ import type { ContextId } from '../../use/use-context';
 import { trackSignal } from '../../use/use-core';
 import type { ValueOrPromise } from '../../util/types';
 import { version } from '../../version';
-import type { Effect } from '../signal/v2-signal';
+import type { Effect, EffectData } from '../signal/v2-signal';
 import type { StreamWriter, SymbolToChunkResolver } from '../ssr/ssr-types';
 import type { Scheduler } from './scheduler';
 import { createScheduler } from './scheduler';
@@ -42,7 +42,7 @@ export abstract class _SharedContainer implements Container2 {
     this.$scheduler$ = createScheduler(this, scheduleDrain, journalFlush);
   }
 
-  trackSignalValue<T>(signal: Signal, subscriber: Effect, property: string, data: any): T {
+  trackSignalValue<T>(signal: Signal, subscriber: Effect, property: string, data: EffectData): T {
     return trackSignal(() => signal.value, subscriber, property, this, data);
   }
 
diff --git a/packages/qwik/src/core/v2/shared/shared-serialization.ts b/packages/qwik/src/core/v2/shared/shared-serialization.ts
index 2beaa32ab21..ab503f3e379 100644
--- a/packages/qwik/src/core/v2/shared/shared-serialization.ts
+++ b/packages/qwik/src/core/v2/shared/shared-serialization.ts
@@ -37,6 +37,7 @@ import {
   EffectSubscriptionsProp,
   Signal,
   type EffectSubscriptions,
+  EffectData,
 } from '../signal/v2-signal';
 import {
   STORE_ARRAY_PROP,
@@ -1029,9 +1030,14 @@ function serializeEffectSubs(
       const effectSubscription = effects[i];
       const effect = effectSubscription[EffectSubscriptionsProp.EFFECT];
       const prop = effectSubscription[EffectSubscriptionsProp.PROPERTY];
-      const additionalData = effectSubscription[EffectSubscriptionsProp.DATA];
-      data += ';' + addRoot(effect) + ' ' + prop + ' ' + addRoot(additionalData);
-      for (let j = EffectSubscriptionsProp.FIRST_BACK_REF; j < effectSubscription.length; j++) {
+      data += ';' + addRoot(effect) + ' ' + prop;
+      let effectSubscriptionDataIndex = EffectSubscriptionsProp.FIRST_BACK_REF_OR_DATA;
+      const effectSubscriptionData = effectSubscription[effectSubscriptionDataIndex];
+      if (effectSubscriptionData instanceof EffectData) {
+        data += ' |' + addRoot(effectSubscriptionData.data);
+        effectSubscriptionDataIndex++;
+      }
+      for (let j = effectSubscriptionDataIndex; j < effectSubscription.length; j++) {
         data += ' ' + addRoot(effectSubscription[j]);
       }
     }
@@ -1172,10 +1178,17 @@ function deserializeSignal2Effect(
 ) {
   while (idx < parts.length) {
     // idx == 1 is the attribute name
-    const effect = parts[idx++]
-      .split(' ')
-      .map((obj, idx) => (idx == 1 ? obj : container.$getObjectById$(obj)));
-    effects.push(effect as fixMeAny);
+    const effect = parts[idx++].split(' ').map((obj, idx) => {
+      if (idx === EffectSubscriptionsProp.PROPERTY) {
+        return obj;
+      } else {
+        if (obj[0] === '|') {
+          return new EffectData<any>(container.$getObjectById$(parseInt(obj.substring(1))));
+        }
+        return container.$getObjectById$(obj);
+      }
+    }) as EffectSubscriptions;
+    effects.push(effect);
   }
   return idx;
 }
diff --git a/packages/qwik/src/core/v2/signal/v2-signal.public.ts b/packages/qwik/src/core/v2/signal/v2-signal.public.ts
index 19f270d0055..b2bc16287f5 100644
--- a/packages/qwik/src/core/v2/signal/v2-signal.public.ts
+++ b/packages/qwik/src/core/v2/signal/v2-signal.public.ts
@@ -7,8 +7,6 @@ import {
 
 export { isSignal } from './v2-signal';
 
-export type { Effect } from './v2-signal';
-
 /** @public */
 export interface ReadonlySignal<T = unknown> {
   readonly value: T;
diff --git a/packages/qwik/src/core/v2/signal/v2-signal.ts b/packages/qwik/src/core/v2/signal/v2-signal.ts
index 6a57a8b3a17..255b0cdb4d3 100644
--- a/packages/qwik/src/core/v2/signal/v2-signal.ts
+++ b/packages/qwik/src/core/v2/signal/v2-signal.ts
@@ -23,7 +23,7 @@ import { isPromise } from '../../util/promises';
 import { qDev } from '../../util/qdev';
 import type { VNode } from '../client/types';
 import { vnode_getProp, vnode_isVirtualVNode, vnode_isVNode, vnode_setProp } from '../client/vnode';
-import { ChoreType, type NodePropPayload } from '../shared/scheduler';
+import { ChoreType, type NodePropData, type NodePropPayload } from '../shared/scheduler';
 import type { Container2, HostElement, fixMeAny } from '../shared/types';
 import type { ISsrNode } from '../ssr/ssr-types';
 import type { Signal as ISignal, ReadonlySignal } from './v2-signal.public';
@@ -77,11 +77,18 @@ export const isSignal = (value: any): value is ISignal<unknown> => {
  * - `Task`: `useTask`, `useVisibleTask`, `useResource`
  * - `VNode` and `ISsrNode`: Either a component or `<Signal>`
  * - `Signal2`: A derived signal which contains a computation function.
- *
- * @internal
  */
 export type Effect = Task | VNode | ISsrNode | Signal;
 
+/** @internal */
+export class EffectData<T extends Record<string, any> = Record<string, any>> {
+  data: T;
+
+  constructor(data: T) {
+    this.data = data;
+  }
+}
+
 /**
  * An effect plus a list of subscriptions effect depends on.
  *
@@ -121,11 +128,12 @@ export type Effect = Task | VNode | ISsrNode | Signal;
 export type EffectSubscriptions = [
   Effect, // EffectSubscriptionsProp.EFFECT
   string, // EffectSubscriptionsProp.PROPERTY
-  any | null, // EffectSubscriptionsProp.DATA
-  ...// NOTE even thought this is shown as `...(string|Signal2)`
-  // it is a list of strings  followed by a list of signals (not intermingled)
+  ...// NOTE even thought this is shown as `...(string|Signal)`
+  // it is a list of strings  followed by optional EffectData
+  // and a list of signals (not intermingled)
   (
-    | string // List of properties (Only used with Store2 (not with Signal2))
+    | EffectData // only used at the start
+    | string // List of properties (Only used with Store (not with Signal))
     | Signal
     | TargetType // List of signals to release
   )[],
@@ -133,8 +141,7 @@ export type EffectSubscriptions = [
 export const enum EffectSubscriptionsProp {
   EFFECT = 0,
   PROPERTY = 1,
-  DATA = 2,
-  FIRST_BACK_REF = 3,
+  FIRST_BACK_REF_OR_DATA = 2,
 }
 export const enum EffectProperty {
   COMPONENT = ':',
@@ -359,13 +366,15 @@ export const triggerEffects = (
         container.$scheduler$(ChoreType.NODE_DIFF, host, target, signal as fixMeAny);
       } else {
         const host: HostElement = effect as any;
-        const scopedStyleIdPrefix: string | null =
-          effectSubscriptions[EffectSubscriptionsProp.DATA];
-        const payload: NodePropPayload = {
-          value: signal as Signal<any>,
-          scopedStyleIdPrefix,
-        };
-        container.$scheduler$(ChoreType.NODE_PROP, host, property, payload);
+        let effectData = effectSubscriptions[EffectSubscriptionsProp.FIRST_BACK_REF_OR_DATA];
+        if (effectData instanceof EffectData) {
+          effectData = effectData as EffectData<NodePropData>;
+          const payload: NodePropPayload = {
+            ...effectData.data,
+            $value$: signal,
+          };
+          container.$scheduler$(ChoreType.NODE_PROP, host, property, payload);
+        }
       }
     };
     effects.forEach(scheduleEffect);
@@ -440,7 +449,7 @@ export class ComputedSignal<T> extends Signal<T> {
     const ctx = tryGetInvokeContext();
     assertDefined(computeQrl, 'Signal is marked as dirty, but no compute function is provided.');
     const previousEffectSubscription = ctx?.$effectSubscriber$;
-    ctx && (ctx.$effectSubscriber$ = [this, EffectProperty.VNODE, null]);
+    ctx && (ctx.$effectSubscriber$ = [this, EffectProperty.VNODE]);
     assertTrue(
       !!computeQrl.resolved,
       'Computed signals must run sync. Expected the QRL to be resolved at this point.'
diff --git a/packages/qwik/src/core/v2/signal/v2-signal.unit.tsx b/packages/qwik/src/core/v2/signal/v2-signal.unit.tsx
index a445486cf2b..c30bc15cc26 100644
--- a/packages/qwik/src/core/v2/signal/v2-signal.unit.tsx
+++ b/packages/qwik/src/core/v2/signal/v2-signal.unit.tsx
@@ -168,7 +168,7 @@ describe('v2-signal', () => {
     } else {
       const ctx = newInvokeContext();
       ctx.$container2$ = container;
-      const subscriber: EffectSubscriptions = [task, EffectProperty.COMPONENT, null, ctx];
+      const subscriber: EffectSubscriptions = [task, EffectProperty.COMPONENT, ctx];
       ctx.$effectSubscriber$ = subscriber;
       return invoke(ctx, qrl.getFn(ctx));
     }
diff --git a/packages/qwik/src/server/qwik-types.ts b/packages/qwik/src/server/qwik-types.ts
index 36de93033c2..2a4024fcc4c 100644
--- a/packages/qwik/src/server/qwik-types.ts
+++ b/packages/qwik/src/server/qwik-types.ts
@@ -35,3 +35,4 @@ export type {
 export type { ResolvedManifest, SymbolMapper } from '../optimizer/src/types';
 export type { SymbolToChunkResolver } from '../core/v2/ssr/ssr-types';
 export type { fixMeAny } from '../core/v2/shared/types';
+export type { NodePropData } from '../core/v2/shared/scheduler';
diff --git a/packages/qwik/src/server/v2-ssr-container.ts b/packages/qwik/src/server/v2-ssr-container.ts
index cd39dc0a152..e17bee991fb 100644
--- a/packages/qwik/src/server/v2-ssr-container.ts
+++ b/packages/qwik/src/server/v2-ssr-container.ts
@@ -6,6 +6,7 @@ import {
   _walkJSX,
   isSignal,
   type JSXNode,
+  _EffectData as EffectData,
 } from '@builder.io/qwik';
 import { isDev } from '@builder.io/qwik/build';
 import type { ResolvedManifest } from '@builder.io/qwik/optimizer';
@@ -57,6 +58,7 @@ import {
   type ISsrNode,
   type JSXChildren,
   type JSXOutput,
+  type NodePropData,
   type SerializationContext,
   type SsrAttrKey,
   type SsrAttrValue,
@@ -1022,7 +1024,7 @@ class SSRContainer extends _SharedContainer implements ISSRContainer {
     }
   }
 
-  private writeAttrs(tag: string, attrs: SsrAttrs, immutable: boolean): string | undefined {
+  private writeAttrs(tag: string, attrs: SsrAttrs, isConst: boolean): string | undefined {
     let innerHTML: string | undefined = undefined;
     if (attrs.length) {
       for (let i = 0; i < attrs.length; i++) {
@@ -1057,7 +1059,11 @@ class SSRContainer extends _SharedContainer implements ISSRContainer {
 
         if (isSignal(value)) {
           const lastNode = this.getLastNode();
-          value = this.trackSignalValue(value, lastNode, key, styleScopedId);
+          const signalData = new EffectData<NodePropData>({
+            $scopedStyleIdPrefix$: styleScopedId,
+            $isConst$: isConst,
+          });
+          value = this.trackSignalValue(value, lastNode, key, signalData);
         }
 
         if (key === dangerouslySetInnerHTML) {