WIP

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

@@ -38,6 +38,12 @@ export class Batch {
 	/** @type {Effect[]} */
 	async_effects = [];
 
+	/** @type {Effect[]} */
+	render_effects = [];
+
+	/** @type {Effect[]} */
+	effects = [];
+
 	/** @type {Effect[]} */
 	combined_effects = [];
 
@@ -72,6 +78,9 @@ export class Batch {
 			}
 		}
 
+		this.render_effects = [];
+		this.effects = [];
+
 		return () => {
 			for (const [source, value] of current_values) {
 				source.v = value;

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

@@ -698,10 +698,10 @@ function flush_queued_root_effects() {
 			var revert = batch.apply();
 
 			/** @type {Effect[]} */
-			var render_effects = [];
+			var render_effects = batch.render_effects;
 
 			/** @type {Effect[]} */
-			var effects = [];
+			var effects = batch.effects;
 
 			var root_effects = queued_root_effects;