backstage/.changeset/wicked-knives-wink.md

@backstage/create-app

@backstage/create-app
patch

Add PATCH and HEAD to the Access-Control-Allow-Methods.

To apply this change to your Backstage installation make the following change to your app-config.yaml

   cors:
     origin: http://localhost:3000
-    methods: [GET, POST, PUT, DELETE]
+    methods: [GET, POST, PUT, DELETE, PATCH, HEAD]