From b58169da8b359433b71e3210bee39add32bc7526 Mon Sep 17 00:00:00 2001
From: floriskn <48930050+floriskn@users.noreply.github.com>
Date: Mon, 16 Jun 2025 11:59:09 +0200
Subject: [PATCH] Create plenty-wasps-sleep.md

---
 .changeset/plenty-wasps-sleep.md | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 .changeset/plenty-wasps-sleep.md

diff --git a/.changeset/plenty-wasps-sleep.md b/.changeset/plenty-wasps-sleep.md
new file mode 100644
index 0000000000..446bf4653b
--- /dev/null
+++ b/.changeset/plenty-wasps-sleep.md
@@ -0,0 +1,10 @@
+---
+'svelte': patch
+---
+
+fix: ensure undefined attributes are removed during hydration
+
+Attributes set server-side but undefined on the client should be removed during hydration.
+This ensures expected cleanup behavior and resolves a mismatch between SSR and client-side rendering.
+
+Fixes sveltejs/kit#13890