sveltejs · Rich-Harris · May 12, 2025 · Apr 30, 2025 · Apr 30, 2025 · Apr 30, 2025
diff --git a/.changeset/polite-melons-tickle.md b/.changeset/polite-melons-tickle.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+chore: avoid microtasks when flushing sync
diff --git a/packages/svelte/src/internal/client/runtime.js b/packages/svelte/src/internal/client/runtime.js
@@ -823,6 +823,8 @@ export function flushSync(fn) {
 if (fn) {
 is_flushing = true;
 flush_queued_root_effects();
+
+is_flushing = true;
 result = fn();
 }