diff --git a/.changeset/lovely-pianos-breathe.md b/.changeset/lovely-pianos-breathe.md
new file mode 100644
index 000000000000..0a81675ef999
--- /dev/null
+++ b/.changeset/lovely-pianos-breathe.md
@@ -0,0 +1,5 @@
+---
+'astro': minor
+---
+
+feat: custom file formats in astro/loader/file.ts