diff --git a/.changeset/yellow-hairs-laugh.md b/.changeset/yellow-hairs-laugh.md
new file mode 100644
index 0000000000..1c1ede8dc6
--- /dev/null
+++ b/.changeset/yellow-hairs-laugh.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: reschedule new effects in prior batches
diff --git a/packages/svelte/src/internal/client/reactivity/batch.js b/packages/svelte/src/internal/client/reactivity/batch.js
index 3b10d6ebe6..d53d824d03 100644
--- a/packages/svelte/src/internal/client/reactivity/batch.js
+++ b/packages/svelte/src/internal/client/reactivity/batch.js
@@ -145,6 +145,12 @@ export class Batch {
 	 */
 	#roots = [];
 
+	/**
+	 * Effects created while this batch was active.
+	 * @type {Effect[]}
+	 */
+	#new_effects = [];
+
 	/**
 	 * Deferred effects (which run after async work has completed) that are DIRTY
 	 * @type {Set<Effect>}
@@ -472,6 +478,13 @@ export class Batch {
 		batches.delete(this);
 	}
 
+	/**
+	 * @param {Effect} effect
+	 */
+	register_created_effect(effect) {
+		this.#new_effects.push(effect);
+	}
+
 	#commit() {
 		// If there are other pending batches, they now need to be 'rebased' —
 		// in other words, we re-run block/async effects with the newly
@@ -525,6 +538,25 @@ export class Batch {
 					mark_effects(source, others, marked, checked);
 				}
 
+				checked = new Map();
+				var current_unequal = [...batch.current.keys()].filter((c) =>
+					this.current.has(c) ? /** @type {[any, boolean]} */ (this.current.get(c))[0] !== c : true
+				);
+
+				for (const effect of this.#new_effects) {
+					if (
+						(effect.f & (DESTROYED | INERT | EAGER_EFFECT)) === 0 &&
+						depends_on(effect, current_unequal, checked)
+					) {
+						if ((effect.f & (ASYNC | BLOCK_EFFECT)) !== 0) {
+							set_signal_status(effect, DIRTY);
+							batch.schedule(effect);
+						} else {
+							batch.#dirty_effects.add(effect);
+						}
+					}
+				}
+
 				// Only apply and traverse when we know we triggered async work with marking the effects
 				if (batch.#roots.length > 0) {
 					batch.apply();
diff --git a/packages/svelte/src/internal/client/reactivity/effects.js b/packages/svelte/src/internal/client/reactivity/effects.js
index 54c8a17d79..ea8a4b645e 100644
--- a/packages/svelte/src/internal/client/reactivity/effects.js
+++ b/packages/svelte/src/internal/client/reactivity/effects.js
@@ -42,7 +42,7 @@ import { DEV } from 'esm-env';
 import { define_property } from '../../shared/utils.js';
 import { get_next_sibling } from '../dom/operations.js';
 import { component_context, dev_current_component_function, dev_stack } from '../context.js';
-import { Batch, collected_effects } from './batch.js';
+import { Batch, collected_effects, current_batch } from './batch.js';
 import { flatten, increment_pending } from './async.js';
 import { without_reactive_context } from '../dom/elements/bindings/shared.js';
 import { set_signal_status } from './status.js';
@@ -120,6 +120,8 @@ function create_effect(type, fn) {
 		effect.component_function = dev_current_component_function;
 	}
 
+	current_batch?.register_created_effect(effect);
+
 	/** @type {Effect | null} */
 	var e = effect;
 
diff --git a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-1/_config.js b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-1/_config.js
index 0af275009c..dee8af2446 100644
--- a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-1/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-1/_config.js
@@ -2,7 +2,6 @@ import { tick } from 'svelte';
 import { test } from '../../test';
 
 export default test({
-	skip: true, // TODO works on https://github.com/sveltejs/svelte/pull/17971
 	async test({ assert, target, logs }) {
 		const [x, y, resolve] = target.querySelectorAll('button');
 
@@ -17,12 +16,20 @@ export default test({
 			<button>x</button>
 			<button>y++</button>
 			<button>resolve</button>
-		` // if this shows world world - that would also be ok
+			world
+		` // if this does not show world - that would also be ok
 		);
 
 		resolve.click();
 		await tick();
-		assert.deepEqual(logs, ['universe', 'universe', '$effect: universe', '$effect: universe']);
+		assert.deepEqual(logs, [
+			'universe',
+			'world',
+			'$effect: world',
+			'$effect: universe',
+			'$effect: universe'
+		]);
+		// assert.deepEqual(logs, ['universe', 'universe', '$effect: universe', '$effect: universe']); // this would also be ok
 		assert.htmlEqual(
 			target.innerHTML,
 			`
diff --git a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-2/_config.js b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-2/_config.js
index 035616dfb6..d99f0df731 100644
--- a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-2/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-2/_config.js
@@ -2,7 +2,6 @@ import { tick } from 'svelte';
 import { test } from '../../test';
 
 export default test({
-	skip: true, // TODO works on https://github.com/sveltejs/svelte/pull/17971
 	async test({ assert, target }) {
 		const [x, y, resolve] = target.querySelectorAll('button');
 
@@ -18,7 +17,13 @@ export default test({
 			<button>y++</button>
 			<button>resolve</button>
 			<hr>
-		` // if this shows world world "world" world world world "world" - then this would also be ok
+			world
+			"world"
+			world
+			world
+			world
+			"world"
+		` // if this does not show world "world" world world world "world" - then this would also be ok
 		);
 
 		resolve.click();
diff --git a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-3/_config.js b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-3/_config.js
index a2d615b6e5..eb4485e8a6 100644
--- a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-3/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-3/_config.js
@@ -2,7 +2,6 @@ import { tick } from 'svelte';
 import { test } from '../../test';
 
 export default test({
-	skip: true, // TODO works on https://github.com/sveltejs/svelte/pull/17971
 	async test({ assert, target }) {
 		const [x, y, resolve] = target.querySelectorAll('button');
 
@@ -30,9 +29,17 @@ export default test({
 			<button>y++</button>
 			<button>resolve</button>
 			<hr>
-		` // if this shows world world "world" world world world "world" - then this would also be ok
+			world
+			"world"
+			world
+			world
+			world
+			"world"
+		` // if this does not show world "world" world world world "world" - then this would also be ok
 		);
 
+		resolve.click();
+		await tick();
 		resolve.click();
 		await tick();
 		assert.htmlEqual(
diff --git a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-3/main.svelte b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-3/main.svelte
index b02ab20995..c8a4ca587f 100644
--- a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-3/main.svelte
+++ b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-3/main.svelte
@@ -31,4 +31,3 @@
 {#if y > 0}
 	<Child x={await delay2(x)} />
 {/if}
- 
\ No newline at end of file
diff --git a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-fork-2/_config.js b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-fork-2/_config.js
index a712e70630..74df968d82 100644
--- a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-fork-2/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-fork-2/_config.js
@@ -2,7 +2,6 @@ import { tick } from 'svelte';
 import { test } from '../../test';
 
 export default test({
-	skip: true, // TODO works on https://github.com/sveltejs/svelte/pull/17971
 	async test({ assert, target }) {
 		const [x, y, shift, pop, commit] = target.querySelectorAll('button');
 
@@ -43,6 +42,8 @@ export default test({
 		await tick();
 		shift.click();
 		await tick();
+		shift.click(); // would be ok to not need this one
+		await tick();
 		assert.htmlEqual(
 			target.innerHTML,
 			`
diff --git a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-fork-5/_config.js b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-fork-5/_config.js
index 9221a96c2e..e8f16ade3c 100644
--- a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-fork-5/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch-fork-5/_config.js
@@ -2,7 +2,6 @@ import { tick } from 'svelte';
 import { test } from '../../test';
 
 export default test({
-	skip: true, // TODO works on https://github.com/sveltejs/svelte/pull/17971
 	async test({ assert, target }) {
 		const [x, y, resolve, commit] = target.querySelectorAll('button');
 
diff --git a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch/_config.js b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch/_config.js
index f2091eb6ab..f4b6cc777b 100644
--- a/packages/svelte/tests/runtime-runes/samples/async-state-new-branch/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/async-state-new-branch/_config.js
@@ -2,7 +2,6 @@ import { tick } from 'svelte';
 import { test } from '../../test';
 
 export default test({
-	skip: true, // this fails on main, too; skip for now
 	async test({ assert, target, logs }) {
 		const [x, y, resolve] = target.querySelectorAll('button');