diff --git a/.changeset/rare-hounds-wave.md b/.changeset/rare-hounds-wave.md
new file mode 100644
index 000000000000..11b368b038ae
--- /dev/null
+++ b/.changeset/rare-hounds-wave.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+chore: tweak effect self invalidation logic, run transition dispatches without reactive context
diff --git a/packages/svelte/src/internal/client/dom/elements/transitions.js b/packages/svelte/src/internal/client/dom/elements/transitions.js
index b3c16cdd080f..fbc1da95df95 100644
--- a/packages/svelte/src/internal/client/dom/elements/transitions.js
+++ b/packages/svelte/src/internal/client/dom/elements/transitions.js
@@ -14,6 +14,7 @@ import { current_each_item } from '../blocks/each.js';
 import { TRANSITION_GLOBAL, TRANSITION_IN, TRANSITION_OUT } from '../../../../constants.js';
 import { BLOCK_EFFECT, EFFECT_RAN, EFFECT_TRANSPARENT } from '../../constants.js';
 import { queue_micro_task } from '../task.js';
+import { without_reactive_context } from './bindings/shared.js';
 
 /**
  * @param {Element} element
@@ -21,7 +22,9 @@ import { queue_micro_task } from '../task.js';
  * @returns {void}
  */
 function dispatch_event(element, type) {
-	element.dispatchEvent(new CustomEvent(type));
+	without_reactive_context(() => {
+		element.dispatchEvent(new CustomEvent(type));
+	});
 }
 
 /**
diff --git a/packages/svelte/src/internal/client/runtime.js b/packages/svelte/src/internal/client/runtime.js
index 75d45d9db9fd..8a9ca9065b47 100644
--- a/packages/svelte/src/internal/client/runtime.js
+++ b/packages/svelte/src/internal/client/runtime.js
@@ -370,22 +370,18 @@ export function handle_error(error, effect, previous_effect, component_context)
 /**
  * @param {Value} signal
  * @param {Effect} effect
- * @param {number} [depth]
+ * @param {boolean} [root]
  */
-function schedule_possible_effect_self_invalidation(signal, effect, depth = 0) {
+function schedule_possible_effect_self_invalidation(signal, effect, root = true) {
 	var reactions = signal.reactions;
 	if (reactions === null) return;
 
 	for (var i = 0; i < reactions.length; i++) {
 		var reaction = reactions[i];
 		if ((reaction.f & DERIVED) !== 0) {
-			schedule_possible_effect_self_invalidation(
-				/** @type {Derived} */ (reaction),
-				effect,
-				depth + 1
-			);
+			schedule_possible_effect_self_invalidation(/** @type {Derived} */ (reaction), effect, false);
 		} else if (effect === reaction) {
-			if (depth === 0) {
+			if (root) {
 				set_signal_status(reaction, DIRTY);
 			} else if ((reaction.f & CLEAN) !== 0) {
 				set_signal_status(reaction, MAYBE_DIRTY);
@@ -458,6 +454,8 @@ export function update_reaction(reaction) {
 		if (
 			is_runes() &&
 			untracked_writes !== null &&
+			!untracking &&
+			deps !== null &&
 			(reaction.f & (DERIVED | MAYBE_DIRTY | DIRTY)) === 0
 		) {
 			for (i = 0; i < /** @type {Source[]} */ (untracked_writes).length; i++) {