- Service Worker

- Indexdb

src/js/fetch.js

@@ -295,7 +295,7 @@
   }
 
   // HTTP methods whose capitalization should be normalized
-  var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT']
+  var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT', 'PATCH']
 
   function normalizeMethod(method) {
     var upcased = method.toUpperCase()