diff --git a/packages/svelte/src/constants.js b/packages/svelte/src/constants.js
index 784920f4b0..69cd213940 100644
--- a/packages/svelte/src/constants.js
+++ b/packages/svelte/src/constants.js
@@ -43,6 +43,7 @@ export const NAMESPACE_MATHML = 'http://www.w3.org/1998/Math/MathML';
 // can be ignored and we want to keep the validation for svelte-ignore in place
 export const IGNORABLE_RUNTIME_WARNINGS = /** @type {const} */ ([
 	'await_waterfall',
+	'await_reactivity_loss',
 	'state_snapshot_uncloneable',
 	'binding_property_non_reactive',
 	'hydration_attribute_changed',
diff --git a/packages/svelte/src/internal/client/dom/blocks/boundary.js b/packages/svelte/src/internal/client/dom/blocks/boundary.js
index bb0d896b09..d174dbdc5d 100644
--- a/packages/svelte/src/internal/client/dom/blocks/boundary.js
+++ b/packages/svelte/src/internal/client/dom/blocks/boundary.js
@@ -376,8 +376,10 @@ export function capture(track = true) {
 			set_active_effect(previous_effect);
 			set_active_reaction(previous_reaction);
 			set_component_context(previous_component_context);
-		} else if (DEV) {
-			set_from_async_derived(was_from_async_derived);
+		}
+
+		if (DEV) {
+			set_from_async_derived(track ? null : was_from_async_derived);
 		}
 
 		// prevent the active effect from outstaying its welcome
@@ -416,6 +418,7 @@ function exit() {
 	set_active_effect(null);
 	set_active_reaction(null);
 	set_component_context(null);
+	if (DEV) set_from_async_derived(null);
 }
 
 export function pending() {