diff --git a/Libraries/Blob/URL.js b/Libraries/Blob/URL.js
index 7eac3d520..eddddf258 100644
--- a/Libraries/Blob/URL.js
+++ b/Libraries/Blob/URL.js
@@ -7,6 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule URL
+ * @format
  * @flow
  */
 
@@ -14,11 +15,11 @@
 
 const Blob = require('Blob');
 
-const { BlobModule } = require('NativeModules');
+const {BlobModule} = require('NativeModules');
 
 let BLOB_URL_PREFIX = null;
 
-if (typeof BlobModule.BLOB_URI_SCHEME === 'string') {
+if (BlobModule && typeof BlobModule.BLOB_URI_SCHEME === 'string') {
   BLOB_URL_PREFIX = BlobModule.BLOB_URI_SCHEME + ':';
   if (typeof BlobModule.BLOB_URI_HOST === 'string') {
     BLOB_URL_PREFIX += `//${BlobModule.BLOB_URI_HOST}/`;
diff --git a/local-cli/templates/HelloWorld/_flowconfig b/local-cli/templates/HelloWorld/_flowconfig
index 83461209d..a359500ee 100644
--- a/local-cli/templates/HelloWorld/_flowconfig
+++ b/local-cli/templates/HelloWorld/_flowconfig
@@ -12,14 +12,15 @@
 ; For RN Apps installed via npm, "Libraries" folder is inside
 ; "node_modules/react-native" but in the source repo it is in the root
 .*/Libraries/react-native/React.js
-.*/Libraries/react-native/ReactNative.js
+
+; Ignore polyfills
+.*/Libraries/polyfills/.*
 
 [include]
 
 [libs]
 node_modules/react-native/Libraries/react-native/react-native-interface.js
-node_modules/react-native/flow
-flow/
+node_modules/react-native/flow/
 
 [options]
 emoji=true
@@ -32,14 +33,16 @@ module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|we
 
 suppress_type=$FlowIssue
 suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
 suppress_type=$FixMe
 
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(>=0\\.\\(4[0-9]\\|[1-3][0-9]\\|[0-9]\\).[0-9]\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
-suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(>=0\\.\\(4[0-9]\\|[1-3][0-9]\\|[0-9]\\).[0-9]\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(>=0\\.\\(5[0-3]\\|[1-4][0-9]\\|[0-9]\\).[0-9]\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(>=0\\.\\(5[0-3]\\|[1-4][0-9]\\|[0-9]\\).[0-9]\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
 suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
 suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 
 unsafe.enable_getters_and_setters=true
 
 [version]
-^0.49.1
+^0.53.0