diff --git a/CriteoPublisherSdk/Sources/MRAID/CRMRAIDHandler.swift b/CriteoPublisherSdk/Sources/MRAID/CRMRAIDHandler.swift
index 03d46cc7..ac5c66e8 100644
--- a/CriteoPublisherSdk/Sources/MRAID/CRMRAIDHandler.swift
+++ b/CriteoPublisherSdk/Sources/MRAID/CRMRAIDHandler.swift
@@ -309,9 +309,12 @@ fileprivate extension CRMRAIDHandler {
     }
 
     @objc func deviceOrientationDidChange() {
-        setCurrentPosition()
-        setMaxSize()
-        setScreen(size: UIScreen.main.bounds.size)
+        DispatchQueue.main.async { [weak self] in
+            guard let self else { return }
+            self.setCurrentPosition()
+            self.setMaxSize()
+            self.setScreen(size: UIScreen.main.bounds.size)
+        }
     }
 
     func unregisterDeviceOrientationListener() {
diff --git a/CriteoPublisherSdk/Sources/MRAID/Resize/MRAIDResizeContainerView.swift b/CriteoPublisherSdk/Sources/MRAID/Resize/MRAIDResizeContainerView.swift
index 60066a71..4d8764ea 100644
--- a/CriteoPublisherSdk/Sources/MRAID/Resize/MRAIDResizeContainerView.swift
+++ b/CriteoPublisherSdk/Sources/MRAID/Resize/MRAIDResizeContainerView.swift
@@ -117,7 +117,7 @@ private extension MRAIDResizeContainerView {
         let closeAreaView = UIView()
         closeAreaView.translatesAutoresizingMaskIntoConstraints = false
         container.addSubview(closeAreaView)
-        closeAreaView.backgroundColor = .red
+        closeAreaView.backgroundColor = .clear
         let safeAreaLayout = container.safeAreaLayoutGuide
 
         /// set the dimension of the close area
diff --git a/CriteoPublisherSdk/Sources/Network/Serializers/CR_BidRequestSerializer.m b/CriteoPublisherSdk/Sources/Network/Serializers/CR_BidRequestSerializer.m
index ee62038c..b054425b 100644
--- a/CriteoPublisherSdk/Sources/Network/Serializers/CR_BidRequestSerializer.m
+++ b/CriteoPublisherSdk/Sources/Network/Serializers/CR_BidRequestSerializer.m
@@ -158,13 +158,10 @@ - (NSArray *)slotsWithCdbRequest:(CR_CdbRequest *)cdbRequest config:(CR_Config *
       slotDict[CR_ApiQueryKeys.bidSlotsIsRewarded] = @(YES);
     }
 
-    NSNumber *mraidAPIVersion = [self mraidAPI:config];
-    if (config.isMRAIDGlobalEnabled &&
-        (adUnit.adUnitType == CRAdUnitTypeBanner ||
-         adUnit.adUnitType == CRAdUnitTypeInterstitial) &&
-        mraidAPIVersion) {
+    if (config.isMRAIDGlobalEnabled && (adUnit.adUnitType == CRAdUnitTypeBanner ||
+                                        adUnit.adUnitType == CRAdUnitTypeInterstitial)) {
       NSMutableDictionary *mraidDict = [NSMutableDictionary new];
-      mraidDict[CR_ApiQueryKeys.api] = [NSArray arrayWithObject:mraidAPIVersion];
+      mraidDict[CR_ApiQueryKeys.api] = [self mraidAPI:config];
       slotDict[CR_ApiQueryKeys.banner] = mraidDict;
     }
 
@@ -173,14 +170,15 @@ - (NSArray *)slotsWithCdbRequest:(CR_CdbRequest *)cdbRequest config:(CR_Config *
   return slots;
 }
 
-- (NSNumber *)mraidAPI:(CR_Config *)config {
+- (NSArray *)mraidAPI:(CR_Config *)config {
+  NSMutableArray *mraidVersions = [NSMutableArray new];
   if (config.isMraidEnabled) {
-    return @(3);
+    [mraidVersions addObject:@(3)];
   }
   if (config.isMraid2Enabled) {
-    return @(5);
+    [mraidVersions addObject:@(5)];
   }
-  return NULL;
+  return mraidVersions;
 }
 
 - (NSArray *)slotsWithCdbRequest:(CR_CdbRequest *)cdbRequest {