diff --git a/packages/svelte/src/internal/client/dom/blocks/each.js b/packages/svelte/src/internal/client/dom/blocks/each.js
index 429e2f5442..b45f159bce 100644
--- a/packages/svelte/src/internal/client/dom/blocks/each.js
+++ b/packages/svelte/src/internal/client/dom/blocks/each.js
@@ -48,6 +48,7 @@ import { DEV } from 'esm-env';
 import { derived_safe_equal } from '../../reactivity/deriveds.js';
 import { current_batch } from '../../reactivity/batch.js';
 import * as e from '../../errors.js';
+import { tag } from '../../dev/tracing.js';
 
 import { push_renderer, renderer } from '../../custom-renderer/state.js';
 
@@ -244,6 +245,10 @@ export function each(node, flags, get_collection, get_key, render_fn, fallback_f
 		return is_array(collection) ? collection : collection == null ? [] : array_from(collection);
 	});
 
+	if (DEV) {
+		tag(each_array, '{#each ...}');
+	}
+
 	/** @type {V[]} */
 	var array;
 
diff --git a/packages/svelte/src/reactivity/date.js b/packages/svelte/src/reactivity/date.js
index 8e2b5d41ab..f882c05d76 100644
--- a/packages/svelte/src/reactivity/date.js
+++ b/packages/svelte/src/reactivity/date.js
@@ -95,6 +95,10 @@ export class SvelteDate extends Date {
 							return date_proto[method].apply(this, args);
 						});
 
+						if (DEV) {
+							tag(d, `SvelteDate.${method}()`);
+						}
+
 						this.#deriveds.set(method, d);
 
 						set_active_reaction(reaction);