diff --git a/renderer/native/ios/renderer/HippyUIManager.mm b/renderer/native/ios/renderer/HippyUIManager.mm
index c24a2d3df9d..140acda23c9 100644
--- a/renderer/native/ios/renderer/HippyUIManager.mm
+++ b/renderer/native/ios/renderer/HippyUIManager.mm
@@ -201,16 +201,16 @@ @interface HippyUIManager() {
     NSHashTable<id<HippyComponent>> *_componentTransactionListeners;
     
     std::mutex _renderQueueLock;
-    NSMutableDictionary<NSString *, id> *_viewManagers;
-    NSArray<Class> *_extraComponents;
-    
-    NSMutableArray<Class<HippyImageProviderProtocol>> *_imageProviders;
 }
 
-
+/// All managed ViewManagers
+@property (atomic, strong) NSMutableDictionary<NSString *, id> *viewManagers;
+/// All extra components
+@property (atomic, strong) NSArray<Class> *extraComponents;
 
 @end
 
+
 @implementation HippyUIManager
 
 @synthesize domManager = _domManager;
@@ -675,36 +675,37 @@ - (void)updateView:(nonnull NSNumber *)componentTag
 
 - (__kindof HippyViewManager *)viewManagerForViewName:(NSString *)viewName {
     HippyBridge *strongBridge = self.bridge;
-    if (!_viewManagers) {
-        _viewManagers = [NSMutableDictionary dictionary];
-        if (_extraComponents) {
-            for (Class cls in _extraComponents) {
+    if (!self.viewManagers) {
+        NSMutableDictionary *viewManagers = [NSMutableDictionary dictionary];
+        if (self.extraComponents) {
+            for (Class cls in self.extraComponents) {
                 NSString *viewName = viewNameFromViewManagerClass(cls);
-                HippyAssert(![_viewManagers objectForKey:viewName],
+                HippyAssert(![viewManagers objectForKey:viewName],
                          @"duplicated component %@ for class %@ and %@", viewName,
                          NSStringFromClass(cls),
-                         NSStringFromClass([_viewManagers objectForKey:viewName]));
-                [_viewManagers setObject:cls forKey:viewName];
+                         NSStringFromClass([viewManagers objectForKey:viewName]));
+                [viewManagers setObject:cls forKey:viewName];
             }
         }
         NSArray<Class> *classes = HippyGetViewManagerClasses(strongBridge);
         NSMutableDictionary *defaultViewManagerClasses = [NSMutableDictionary dictionaryWithCapacity:[classes count]];
         for (Class cls in classes) {
             NSString *viewName = viewNameFromViewManagerClass(cls);
-            if ([_viewManagers objectForKey:viewName]) {
+            if ([viewManagers objectForKey:viewName]) {
                 continue;
             }
             [defaultViewManagerClasses setObject:cls forKey:viewName];
         }
-        [_viewManagers addEntriesFromDictionary:defaultViewManagerClasses];
+        [viewManagers addEntriesFromDictionary:defaultViewManagerClasses];
+        self.viewManagers = viewManagers;
     }
     // Get and instantiate the class
-    id object = [_viewManagers objectForKey:viewName];
+    id object = [self.viewManagers objectForKey:viewName];
     if (object_isClass(object)) {
         HippyViewManager *viewManager = [object new];
         viewManager.bridge = strongBridge;
         NSAssert([viewManager isKindOfClass:[HippyViewManager class]], @"Must be a HippyViewManager instance");
-        [_viewManagers setObject:viewManager forKey:viewName];
+        [self.viewManagers setObject:viewManager forKey:viewName];
         object = viewManager;
     }
     return object;
@@ -1125,7 +1126,7 @@ - (void)dispatchFunction:(const std::string &)functionName
 }
 
 - (void)registerExtraComponent:(NSArray<Class> *)extraComponents {
-    _extraComponents = extraComponents;
+    self.extraComponents = extraComponents;
 }
 
 
diff --git a/renderer/native/ios/renderer/component/view/HippyShadowView.mm b/renderer/native/ios/renderer/component/view/HippyShadowView.mm
index 17875abdf35..8f59aacd67b 100644
--- a/renderer/native/ios/renderer/component/view/HippyShadowView.mm
+++ b/renderer/native/ios/renderer/component/view/HippyShadowView.mm
@@ -97,7 +97,7 @@ - (instancetype)init {
     if ((self = [super init])) {
         _propagationLifecycle = NativeRenderUpdateLifecycleUninitialized;
         _frame = CGRectMake(0, 0, NAN, NAN);
-        _objectSubviews = [NSMutableArray arrayWithCapacity:8];
+        _objectSubviews = [NSMutableArray array];
         _confirmedLayoutDirection = hippy::Direction::Inherit;
         _layoutDirection = hippy::Direction::Inherit;
     }