fix

packages/svelte/src/internal/client/index.js

@@ -115,8 +115,15 @@ export {
 	user_effect,
 	user_pre_effect
 } from './reactivity/effects.js';
-export { pending } from './reactivity/forks.js';
-export { mutable_state, mutate, set, state, update, update_pre } from './reactivity/sources.js';
+export {
+	mutable_state,
+	mutate,
+	pending,
+	set,
+	state,
+	update,
+	update_pre
+} from './reactivity/sources.js';
 export {
 	prop,
 	rest_props,

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

@@ -1,7 +1,8 @@
 /** @import { Effect, Source } from '#client' */
 import { noop } from '../../shared/utils.js';
 import { flushSync } from '../runtime.js';
-import { internal_set, source } from './sources.js';
+import { raf } from '../timing.js';
+import { internal_set, pending } from './sources.js';
 
 /** @type {Set<Fork>} */
 const forks = new Set();
@@ -13,8 +14,6 @@ export function remove_active_fork() {
 	active_fork = null;
 }
 
-export let pending = source(false);
-
 function update_pending() {
 	internal_set(pending, forks.size > 0);
 }
@@ -144,7 +143,7 @@ export class Fork {
 	static ensure() {
 		if (active_fork === null) {
 			if (forks.size === 0) {
-				requestAnimationFrame(update_pending);
+				raf.tick(update_pending);
 			}
 
 			active_fork = new Fork();

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

@@ -38,6 +38,8 @@ import { active_fork, Fork } from './forks.js';
 
 export let inspect_effects = new Set();
 
+export let pending = source(false);
+
 /**
  * @param {Set<any>} v
  */