diff --git a/.changeset/strong-pianos-promise.md b/.changeset/strong-pianos-promise.md
new file mode 100644
index 0000000000..f5214c7dcb
--- /dev/null
+++ b/.changeset/strong-pianos-promise.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: Throw on unrendered snippets in `dev`