diff --git a/UnityAds/AdUnit/UADSViewController.m b/UnityAds/AdUnit/UADSViewController.m
index f3389dd9..3615c6d2 100644
--- a/UnityAds/AdUnit/UADSViewController.m
+++ b/UnityAds/AdUnit/UADSViewController.m
@@ -186,25 +186,35 @@ - (void)handleViewPlacement:(UIView *)view {
 }
 
 - (void)createVideoPlayer {
-    AVURLAsset *asset = nil;
-    AVPlayerItem *item = [AVPlayerItem playerItemWithAsset:asset];
-    [self setVideoPlayer:[[UADSAVPlayer alloc] initWithPlayerItem:item]];
-    [self.videoView setPlayer:self.videoPlayer];
+    if (![self videoPlayer]) {
+        AVURLAsset *asset = nil;
+        AVPlayerItem *item = [AVPlayerItem playerItemWithAsset:asset];
+        [self setVideoPlayer:[[UADSAVPlayer alloc] initWithPlayerItem:item]];
+        [self.videoView setPlayer:self.videoPlayer];
+    }
 }
 
 - (void)createVideoView {
-    [self setVideoView:[[UADSVideoView alloc] initWithFrame:[self getRect]]];
-    [self.videoView setVideoFillMode:AVLayerVideoGravityResizeAspect];
+    if (![self videoView]) {
+        [self setVideoView:[[UADSVideoView alloc] initWithFrame:[self getRect]]];
+        [self.videoView setVideoFillMode:AVLayerVideoGravityResizeAspect];
+    }
 }
 
 - (void)destroyVideoView {
-    [self.videoView removeFromSuperview];
+    if ([self videoView]) {
+        [self.videoView removeFromSuperview];
+    }
+
     self.videoView = NULL;
 }
 
 - (void)destroyVideoPlayer {
-    [self.videoPlayer stop];
-    [self.videoPlayer stopObserving];
+    if ([self videoPlayer]) {
+        [self.videoPlayer stop];
+        [self.videoPlayer stopObserving];
+    }
+
     self.videoPlayer = NULL;
 }
 
diff --git a/UnityAds/Api/UADSApiCache.m b/UnityAds/Api/UADSApiCache.m
index ecf92f0e..39f91303 100644
--- a/UnityAds/Api/UADSApiCache.m
+++ b/UnityAds/Api/UADSApiCache.m
@@ -104,7 +104,43 @@ + (void)WebViewExposed_getFileContent:(NSString *)fileId encoding:(NSString *)en
     }
 }
 
-    + (void)WebViewExposed_isCaching:(UADSWebViewCallback *)callback {
++ (void)WebViewExposed_setFileContent:(NSString *)fileId encoding:(NSString *)encoding content:(NSString *)content callback:(UADSWebViewCallback *)callback {
+    NSString *tagetFilePath = [UADSApiCache fileIdToFilename:fileId];
+    NSData *fileContents = nil;
+
+    fileContents = [content dataUsingEncoding:NSUTF8StringEncoding];
+
+    if (encoding) {
+        if ([encoding isEqualToString:@"UTF-8"]) {
+            // UTF-8 handled by default
+        }
+        else if ([encoding isEqualToString:@"Base64"]) {
+            fileContents = [[NSData alloc] initWithBase64EncodedString:content options:0];
+        }
+        else {
+            [callback error:NSStringFromCacheError(kUnityAdsUnsupportedEncoding) arg1:fileId, tagetFilePath, encoding, nil];
+            return;
+        }
+    }
+
+    @try {
+        if (![[NSFileManager defaultManager] fileExistsAtPath:tagetFilePath]) {
+            [[NSFileManager defaultManager] createFileAtPath:tagetFilePath contents:nil attributes:nil];
+        }
+        if (![[NSFileManager defaultManager] isWritableFileAtPath:tagetFilePath]) {
+            [callback error:NSStringFromCacheError(kUnityAdsFileIOError) arg1:fileId, tagetFilePath, encoding, nil];
+            return;
+        }
+        [fileContents writeToFile:tagetFilePath atomically:YES];
+    }
+    @catch (NSException *exception) {
+        [callback error:NSStringFromCacheError(kUnityAdsFileIOError) arg1:fileId, tagetFilePath, exception.reason, nil];
+        return;
+    }
+    [callback invoke:nil];
+}
+
++ (void)WebViewExposed_isCaching:(UADSWebViewCallback *)callback {
     [callback invoke:[NSNumber numberWithBool:[UADSCacheQueue hasOperations]], nil];
 }
 
diff --git a/UnityAds/Configuration/UADSInitialize.m b/UnityAds/Configuration/UADSInitialize.m
index e8b0be65..58c9de12 100644
--- a/UnityAds/Configuration/UADSInitialize.m
+++ b/UnityAds/Configuration/UADSInitialize.m
@@ -171,9 +171,8 @@ - (instancetype)execute {
     NSString *localWebViewFile = [UADSSdkProperties getLocalWebViewFile];
     
     if ([[NSFileManager defaultManager] fileExistsAtPath:localWebViewFile]) {
-        NSFileHandle *fileHandle = [NSFileHandle fileHandleForReadingAtPath:localWebViewFile];
-        NSData *fileData = [fileHandle readDataToEndOfFile];
-        NSString *fileString = [[NSString alloc] initWithData:fileData encoding:NSUTF8StringEncoding];
+        NSData *fileData = [NSData dataWithContentsOfFile:localWebViewFile options:NSDataReadingUncached error:nil];
+        NSString *fileString = [[NSString alloc] initWithBytesNoCopy:(void *)[fileData bytes] length:[fileData length] encoding:NSUTF8StringEncoding freeWhenDone:NO];
         NSString *localWebViewHash = [fileString sha256];
         
         if (!localWebViewHash || (localWebViewHash && [localWebViewHash isEqualToString:self.configuration.webViewHash])) {
diff --git a/UnityAds/MetaData/UADSMediationMetaData.h b/UnityAds/MetaData/UADSMediationMetaData.h
index 5f49a285..fefede88 100644
--- a/UnityAds/MetaData/UADSMediationMetaData.h
+++ b/UnityAds/MetaData/UADSMediationMetaData.h
@@ -5,5 +5,6 @@
 - (void)setName:(NSString *)mediationNetworkName;
 - (void)setVersion:(NSString *)mediationSdkVersion;
 - (void)setOrdinal:(int)mediationOrdinal;
+- (void)setMissedImpressionOrdinal:(int)missedImpressionOrdinal;
 
-@end
\ No newline at end of file
+@end
diff --git a/UnityAds/MetaData/UADSMediationMetaData.m b/UnityAds/MetaData/UADSMediationMetaData.m
index 1b473042..1cc3ce95 100644
--- a/UnityAds/MetaData/UADSMediationMetaData.m
+++ b/UnityAds/MetaData/UADSMediationMetaData.m
@@ -19,4 +19,8 @@ - (void)setOrdinal:(int)mediationOrdinal {
     [self set:@"ordinal" value:[NSNumber numberWithInt:mediationOrdinal]];
 }
 
-@end
\ No newline at end of file
+- (void)setMissedImpressionOrdinal:(int)missedImpressionOrdinal {
+    [self set:@"missedImpressionOrdinal" value:[NSNumber numberWithInt:missedImpressionOrdinal]];
+}
+
+@end
diff --git a/UnityAds/Properties/UADSClientProperties.m b/UnityAds/Properties/UADSClientProperties.m
index 30ef35d7..9b4ed57c 100644
--- a/UnityAds/Properties/UADSClientProperties.m
+++ b/UnityAds/Properties/UADSClientProperties.m
@@ -16,7 +16,11 @@ + (NSString *)getGameId {
 }
 
 + (NSArray<NSString*>*)getSupportedOrientationsPlist {
-    return [NSBundle.mainBundle.infoDictionary objectForKey:@"UISupportedInterfaceOrientations"];
+    NSArray<NSString*> *supportedOrientations = @[];
+    if ([NSBundle.mainBundle.infoDictionary objectForKey:@"UISupportedInterfaceOrientations"] != nil) {
+        supportedOrientations = [supportedOrientations arrayByAddingObjectsFromArray:[NSBundle.mainBundle.infoDictionary objectForKey:@"UISupportedInterfaceOrientations"]];
+    }
+    return supportedOrientations;
 }
 
 + (int)getSupportedOrientations {
@@ -32,16 +36,7 @@ + (NSString *)getAppVersion {
 }
 
 + (BOOL)isAppDebuggable {
-    static BOOL output = NO;
-    static dispatch_once_t onceToken;
-    dispatch_once(&onceToken, ^{
-        // Check simulator, TestFlight builds and not AppStore apps which should have mobileprovision file
-        if (UADSDevice.isSimulator ||
-            [NSBundle.mainBundle.appStoreReceiptURL.lastPathComponent isEqualToString:@"sandboxReceipt"] ||
-            [NSData dataWithContentsOfFile:[NSBundle.mainBundle pathForResource:@"embedded" ofType:@"mobileprovision"]])
-            output = YES;
-    });
-    return output;
+    return NO;
 }
 
 + (void)setCurrentViewController:(UIViewController *)viewController {
diff --git a/UnityAds/Properties/UADSSdkProperties.m b/UnityAds/Properties/UADSSdkProperties.m
index 47cb39df..9248be25 100644
--- a/UnityAds/Properties/UADSSdkProperties.m
+++ b/UnityAds/Properties/UADSSdkProperties.m
@@ -4,10 +4,10 @@
 NSString * const kUnityAdsLocalCacheFilePrefix = @"UnityAdsCache-";
 NSString * const kUnityAdsLocalStorageFilePrefix  = @"UnityAdsStorage-";
 NSString * const kUnityAdsWebviewBranchInfoDictionaryKey = @"UADSWebviewBranch";
-NSString * const kUnityAdsVersionName = @"2.1.1";
+NSString * const kUnityAdsVersionName = @"2.1.2";
 NSString * const kUnityAdsFlavorDebug = @"debug";
 NSString * const kUnityAdsFlavorRelease = @"release";
-int const kUnityAdsVersionCode = 2101;
+int const kUnityAdsVersionCode = 2102;
 
 @implementation UADSSdkProperties
 
diff --git a/UnityAdsExample/ViewController.m b/UnityAdsExample/ViewController.m
index 39a86a08..30243bc5 100644
--- a/UnityAdsExample/ViewController.m
+++ b/UnityAdsExample/ViewController.m
@@ -55,7 +55,7 @@ - (IBAction)toggleTestMode:(id)sender {
 }
 
 - (IBAction)incentivizedButtonTapped:(id)sender {
-    if ([UnityAds isReady]) {
+    if ([UnityAds isReady:self.incentivizedPlacementId]) {
         self.incentivizedButton.enabled = NO;
         UADSPlayerMetaData *playerMetaData = [[UADSPlayerMetaData alloc] init];
         [playerMetaData setServerId:@"rikshot"];
@@ -70,7 +70,7 @@ - (IBAction)incentivizedButtonTapped:(id)sender {
 }
 
 - (IBAction)interstitialButtonTapped:(id)sender {
-    if ([UnityAds isReady]) {
+    if ([UnityAds isReady:self.interstitialPlacementId]) {
         self.interstitialButton.enabled = NO;
         UADSPlayerMetaData *playerMetaData = [[UADSPlayerMetaData alloc] init];
         [playerMetaData setServerId:@"rikshot"];
diff --git a/UnityAdsTests/ClientPropertiesTest.m b/UnityAdsTests/ClientPropertiesTest.m
index f0d3eb07..d5e1a8ab 100644
--- a/UnityAdsTests/ClientPropertiesTest.m
+++ b/UnityAdsTests/ClientPropertiesTest.m
@@ -43,7 +43,7 @@ - (void)testSetDelegate {
 }
 
 - (void)testIsAppDebuggable {
-    XCTAssertTrue([UADSClientProperties isAppDebuggable], "App should be debuggable");
+    XCTAssertFalse([UADSClientProperties isAppDebuggable], "App should not be debuggable");
 }
 
 - (void)testSetGameId {