fix

packages/svelte/src/internal/client/dom/blocks/each.js

@@ -139,8 +139,6 @@ export function each(node, flags, get_collection, get_key, render_fn, fallback_f
 
 	var was_empty = false;
 
-	var boundary = /** @type {Effect} */ (active_effect).b;
-
 	/** @type {Map<any, EachItem>} */
 	var offscreen_items = new Map();
 

packages/svelte/src/internal/client/dom/blocks/if.js

@@ -54,6 +54,7 @@ export function if_block(node, fn, elseif = false) {
 		if (offscreen_fragment !== null) {
 			// remove the anchor
 			/** @type {Text} */ (offscreen_fragment.lastChild).remove();
+
 			anchor.before(offscreen_fragment);
 			offscreen_fragment = null;
 		}

packages/svelte/src/internal/client/dom/blocks/key.js

@@ -5,7 +5,6 @@ import { not_equal, safe_not_equal } from '../../reactivity/equality.js';
 import { is_runes } from '../../context.js';
 import { hydrate_next, hydrate_node, hydrating } from '../hydration.js';
 import { create_text, should_defer_append } from '../operations.js';
-import { active_effect } from '../../runtime.js';
 import { active_fork } from '../../reactivity/forks.js';
 
 /**
@@ -34,8 +33,6 @@ export function key_block(node, get_key, render_fn) {
 	/** @type {DocumentFragment | null} */
 	var offscreen_fragment = null;
 
-	var boundary = /** @type {Effect} */ (active_effect).b;
-
 	var changed = is_runes() ? not_equal : safe_not_equal;
 
 	function commit() {
@@ -44,6 +41,9 @@ export function key_block(node, get_key, render_fn) {
 		}
 
 		if (offscreen_fragment !== null) {
+			// remove the anchor
+			/** @type {Text} */ (offscreen_fragment.lastChild).remove();
+
 			anchor.before(offscreen_fragment);
 			offscreen_fragment = null;
 		}
@@ -66,7 +66,6 @@ export function key_block(node, get_key, render_fn) {
 
 			if (defer) {
 				active_fork?.add_callback(commit);
-				target.remove();
 			} else {
 				commit();
 			}

packages/svelte/src/internal/client/dom/blocks/svelte-component.js

@@ -39,6 +39,9 @@ export function component(node, get_component, render_fn) {
 		}
 
 		if (offscreen_fragment) {
+			// remove the anchor
+			/** @type {Text} */ (offscreen_fragment.lastChild).remove();
+
 			anchor.before(offscreen_fragment);
 			offscreen_fragment = null;
 		}
@@ -61,10 +64,6 @@ export function component(node, get_component, render_fn) {
 			}
 
 			pending_effect = branch(() => render_fn(target, component));
-
-			if (defer) {
-				target.remove();
-			}
 		}
 
 		if (defer) {