fix

packages/svelte/src/internal/client/reactivity/batch.js

@@ -304,7 +304,7 @@ export class Batch {
 	flush() {
 		if (queued_root_effects.length > 0) {
 			this.flush_effects();
-		} else if (!this.#neutered) {
+		} else {
 			this.#commit();
 		}
 
@@ -352,8 +352,10 @@ export class Batch {
 	 * Append and remove branches to/from the DOM
 	 */
 	#commit() {
-		for (const fn of this.#callbacks) {
-			fn();
+		if (!this.#neutered) {
+			for (const fn of this.#callbacks) {
+				fn();
+			}
 		}
 
 		this.#callbacks.clear();

packages/svelte/src/internal/client/reactivity/deriveds.js

@@ -146,10 +146,6 @@ export function async_derived(fn, location) {
 		const handler = (value, error = undefined) => {
 			prev = null;
 
-			if ((parent.f & DESTROYED) !== 0) {
-				batch.neuter();
-			}
-
 			current_async_effect = null;
 
 			if (!pending) batch.activate();
@@ -187,6 +183,12 @@ export function async_derived(fn, location) {
 		};
 
 		promise.then(handler, (e) => handler(null, e || 'unknown'));
+
+		if (batch) {
+			return () => {
+				queueMicrotask(() => batch.neuter());
+			};
+		}
 	});
 
 	if (DEV) {