diff --git a/ActiveGS_iOS/activegs.xcodeproj/project.pbxproj b/ActiveGS_iOS/activegs.xcodeproj/project.pbxproj
index 8172a7e..46bcdab 100644
--- a/ActiveGS_iOS/activegs.xcodeproj/project.pbxproj
+++ b/ActiveGS_iOS/activegs.xcodeproj/project.pbxproj
@@ -1406,6 +1406,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
+				CLANG_ENABLE_OBJC_ARC = YES;
 				CODE_SIGN_ENTITLEMENTS = "";
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = YES;
@@ -1443,6 +1444,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
+				CLANG_ENABLE_OBJC_ARC = YES;
 				CODE_SIGN_ENTITLEMENTS = "";
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
@@ -1481,6 +1483,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
+				CLANG_ENABLE_OBJC_ARC = YES;
 				CODE_SIGN_ENTITLEMENTS = "";
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = YES;
diff --git a/ActiveGS_iOS/main.mm b/ActiveGS_iOS/main.mm
index 5d42a70..c389ff1 100644
--- a/ActiveGS_iOS/main.mm
+++ b/ActiveGS_iOS/main.mm
@@ -9,9 +9,9 @@
 
 int main(int argc, char *argv[]) {
     
-    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+    @autoreleasepool {
  //   int retVal = UIApplicationMain(argc, argv, nil, nil);
-    int retVal = UIApplicationMain(argc, argv, nil, NSStringFromClass([activegsAppDelegate class]));
-    [pool release];
-    return retVal;
+        int retVal = UIApplicationMain(argc, argv, nil, NSStringFromClass([activegsAppDelegate class]));
+        return retVal;
+    }
 }
diff --git a/Common.iphone/GTMUIView+SubtreeDescription.m b/Common.iphone/GTMUIView+SubtreeDescription.m
index 978159d..b614454 100644
--- a/Common.iphone/GTMUIView+SubtreeDescription.m
+++ b/Common.iphone/GTMUIView+SubtreeDescription.m
@@ -155,7 +155,7 @@ static NSMutableString *SublayerDescriptionAtLevel(CALayer *layer, int level) {
 
 - (NSString *)subtreeDescription {
   NSMutableString *result =
-    [[[self gtm_subtreeDescriptionLine] mutableCopy] autorelease];
+    [[self gtm_subtreeDescriptionLine] mutableCopy];
   for (UIView *v in [self subviews]) {
     [result appendString:[v gtm_subtreeDescriptionAtLevel:1]];
   }
diff --git a/Common.iphone/KBDController.h b/Common.iphone/KBDController.h
index 211631b..177ed9b 100644
--- a/Common.iphone/KBDController.h
+++ b/Common.iphone/KBDController.h
@@ -79,51 +79,51 @@ enum
 	
 }
 
-@property (nonatomic,retain)    UITextField* textField;
+@property (nonatomic,strong)    UITextField* textField;
 
-@property (nonatomic,retain)    UIButton *menuButton;
-@property (nonatomic,retain)    UIBarButtonItem* optionButton ;
-@property (nonatomic,retain)    UIImageView* diskView;
-@property (nonatomic,retain)    UIImageView* diskLoadingView;
-@property (nonatomic,retain)    NSMutableArray* diskIcons;
-@property (nonatomic,retain)    UILabel * loaderLabel;
-@property (nonatomic,retain)    UILabel* debugIndicator;
-@property (nonatomic,retain)    UILabel* swipeIndicator;
-@property (nonatomic,retain)    UILabel* zoomIndicator;
-@property (nonatomic,retain)    UILabel* padIndicator;
-@property (nonatomic,retain)    UILabel* mouseButtonIndicator;
-@property (nonatomic,retain)    UILabel* inputIndicator;
-@property (nonatomic,retain)    UIActivityIndicatorView* loader;
-@property (nonatomic,retain)    NSTimer* loaderTimer;
+@property (nonatomic,strong)    UIButton *menuButton;
+@property (nonatomic,strong)    UIBarButtonItem* optionButton ;
+@property (nonatomic,strong)    UIImageView* diskView;
+@property (nonatomic,strong)    UIImageView* diskLoadingView;
+@property (nonatomic,strong)    NSMutableArray* diskIcons;
+@property (nonatomic,strong)    UILabel * loaderLabel;
+@property (nonatomic,strong)    UILabel* debugIndicator;
+@property (nonatomic,strong)    UILabel* swipeIndicator;
+@property (nonatomic,strong)    UILabel* zoomIndicator;
+@property (nonatomic,strong)    UILabel* padIndicator;
+@property (nonatomic,strong)    UILabel* mouseButtonIndicator;
+@property (nonatomic,strong)    UILabel* inputIndicator;
+@property (nonatomic,strong)    UIActivityIndicatorView* loader;
+@property (nonatomic,strong)    NSTimer* loaderTimer;
 #ifdef GRAPHICAL_PAD
 @property (nonatomic,retain)    UIImageView* padBackground;
 @property (nonatomic,retain)    UIImageView* padButton1Down;
 @property (nonatomic,retain)    UIImageView* padButton2Down;
 @property (nonatomic,retain)    UIImageView* padStick;
 #endif
-@property (nonatomic,retain)    UIImageView* padCircleOutter;
-@property (nonatomic,retain)    UIImageView* padCircleInner;
-@property (nonatomic,retain)    UIImageView* oaButtonView;
-@property (nonatomic,retain)    UIImageView* caButtonView;
-@property (nonatomic,retain)    UITouch* padTouch;
-@property (nonatomic,retain)    UITouch* oaButtonTouch;
-@property (nonatomic,retain)    UITouch* caButtonTouch;
-@property (nonatomic,retain)    UINavigationItem* emulatorNavItem;
-@property (nonatomic,retain)    UINavigationBar* runtimeView;
-@property (nonatomic,retain)    UIView* interfaceView;
-@property (nonatomic,retain)    NSTimer* animateDiskTimer;
-@property (nonatomic,retain)    NSTimer* hardwarekbdDetectionTimer;
-@property (nonatomic,retain)    UIImageView* runtimeControls;
-@property (nonatomic,retain)    UIView* runtimeControlsOptions;
-@property (nonatomic,retain)    UIImageView* diskSelection;
-@property (nonatomic,retain)    UIView* diskSelectionOptions;
-@property (nonatomic,retain)    UIScrollView* uit;
-@property (nonatomic,retain)    UIScrollView* uitb;
-@property (nonatomic,retain)    UIView* accessView;
-@property (nonatomic,retain)    UIButton* leftAccessView;
-@property (nonatomic,retain)    UIButton* rightAccessView;
-@property (nonatomic,retain)    UINavigationBar* barView;
-@property (nonatomic,retain)    UINavigationBar* specialView;
+@property (nonatomic,strong)    UIImageView* padCircleOutter;
+@property (nonatomic,strong)    UIImageView* padCircleInner;
+@property (nonatomic,strong)    UIImageView* oaButtonView;
+@property (nonatomic,strong)    UIImageView* caButtonView;
+@property (nonatomic,strong)    UITouch* padTouch;
+@property (nonatomic,strong)    UITouch* oaButtonTouch;
+@property (nonatomic,strong)    UITouch* caButtonTouch;
+@property (nonatomic,strong)    UINavigationItem* emulatorNavItem;
+@property (nonatomic,strong)    UINavigationBar* runtimeView;
+@property (nonatomic,strong)    UIView* interfaceView;
+@property (nonatomic,strong)    NSTimer* animateDiskTimer;
+@property (nonatomic,strong)    NSTimer* hardwarekbdDetectionTimer;
+@property (nonatomic,strong)    UIImageView* runtimeControls;
+@property (nonatomic,strong)    UIView* runtimeControlsOptions;
+@property (nonatomic,strong)    UIImageView* diskSelection;
+@property (nonatomic,strong)    UIView* diskSelectionOptions;
+@property (nonatomic,strong)    UIScrollView* uit;
+@property (nonatomic,strong)    UIScrollView* uitb;
+@property (nonatomic,strong)    UIView* accessView;
+@property (nonatomic,strong)    UIButton* leftAccessView;
+@property (nonatomic,strong)    UIButton* rightAccessView;
+@property (nonatomic,strong)    UINavigationBar* barView;
+@property (nonatomic,strong)    UINavigationBar* specialView;
 //@property (assign,getter=inputMode)          int	inputMode;
 
 
diff --git a/Common.iphone/KBDController.mm b/Common.iphone/KBDController.mm
index 6a3dc8c..00d46cd 100644
--- a/Common.iphone/KBDController.mm
+++ b/Common.iphone/KBDController.mm
@@ -236,7 +236,7 @@ UIImageView* loadImage(NSString* _name)
 {
 	
 	NSString *imgSource = [[NSBundle mainBundle] pathForResource:_name ofType:@"png"];
-	UIImage* img = [[UIImage imageWithContentsOfFile: imgSource] retain];
+	UIImage* img = [UIImage imageWithContentsOfFile: imgSource];
 		UIImageView* view = [[UIImageView alloc] initWithImage:img];
 	return view;
 	
@@ -1034,8 +1034,8 @@ extern int x_frame_rate ;
 -(void)addDiskSelection
 {
     
-    [self.diskSelectionOptions release];
-    [self.diskSelection release];
+    self.diskSelectionOptions;
+    self.diskSelection;
     
     self.diskSelectionOptions = nil;
     self.diskSelection =  nil;
@@ -1212,7 +1212,7 @@ extern int x_frame_rate ;
 	{
 		printf("removing RuntimeView");
 		[self.runtimeView removeFromSuperview];
-		[self.runtimeView release];
+		self.runtimeView;
 	}
 	
 	// position par défault
@@ -2032,7 +2032,7 @@ int x_adb_get_keypad_y()
 		for(int i=0;i<20;i++)
 			add_event_delay();	
 		caButton = TRUE;
-		self.caButtonTouch = [touch retain];;
+		self.caButtonTouch = touch;;
 		self.caButtonView.alpha = 1.0;
 #ifdef GRAPHICAL_PAD
 		self.padButton2Down.hidden = FALSE;
@@ -2764,30 +2764,8 @@ const int cycles[]=
     
     NSLog(@"---kbd dealloc");
     self.textField.delegate = nil;
-	self.textField = nil;
-	self.menuButton = nil;
-	self.optionButton = nil;
-	self.diskView = nil;
-    self.diskLoadingView = nil;
-	self.loaderLabel = nil;
-	self.debugIndicator = nil;
-	self.swipeIndicator = nil;
-	self.zoomIndicator = nil;
-	self.padIndicator = nil;
-	self.mouseButtonIndicator = nil;
-    self.inputIndicator = nil;
-	self.loader = nil;
-	self.padCircleOutter = nil;
-	self.padCircleInner = nil;
-	self.oaButtonView = nil;
-	self.caButtonView = nil;
-	self.emulatorNavItem = nil;
-	self.barView = nil;
-    self.hardwarekbdDetectionTimer = nil;
-    self.animateDiskTimer = nil;
     
 
-    [super dealloc];
 	
 }
 
diff --git a/Common.iphone/activegsAppDelegate.h b/Common.iphone/activegsAppDelegate.h
index 99a13bd..ddd6b52 100644
--- a/Common.iphone/activegsAppDelegate.h
+++ b/Common.iphone/activegsAppDelegate.h
@@ -156,22 +156,22 @@ extern enum machineSpecsEnum machineSpecs;
 -(void)setNotificationText:(NSString*) _text; 
 -(void)updateNotificationView:(CGRect) newRect;
 - (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation;
-@property(nonatomic,retain,getter=getEmulatorView) activegsEmulatorController* emulatorController;
-@property(nonatomic,retain,getter=getBrowserView) ACTIVEGS_LAUNCHVIEWCONTROLLER* viewController;
-@property(nonatomic,retain,getter=getInfoView) infoViewController* infoController;
-@property(nonatomic,retain,getter=getDetailView) detailViewController* detailController;
-@property(nonatomic,retain) UIViewController* primaryViewController;
-@property(nonatomic,retain) UIViewController* secondaryViewController;
-@property(nonatomic,retain) UIView* backgroundView;
-@property(nonatomic,retain) UIImageView* backgroundImageView ;
-@property(nonatomic,retain) UIScreen* secondaryScreen ;
-@property(nonatomic,retain) UIScreen* primaryScreen ;
+@property(nonatomic,strong,getter=getEmulatorView) activegsEmulatorController* emulatorController;
+@property(nonatomic,strong,getter=getBrowserView) ACTIVEGS_LAUNCHVIEWCONTROLLER* viewController;
+@property(nonatomic,strong,getter=getInfoView) infoViewController* infoController;
+@property(nonatomic,strong,getter=getDetailView) detailViewController* detailController;
+@property(nonatomic,strong) UIViewController* primaryViewController;
+@property(nonatomic,strong) UIViewController* secondaryViewController;
+@property(nonatomic,strong) UIView* backgroundView;
+@property(nonatomic,strong) UIImageView* backgroundImageView ;
+@property(nonatomic,strong) UIScreen* secondaryScreen ;
+@property(nonatomic,strong) UIScreen* primaryScreen ;
 
-@property(nonatomic,retain) NSTimer* notificationTimer;
-@property(nonatomic,retain) UILabel* notificationView;
+@property(nonatomic,strong) NSTimer* notificationTimer;
+@property(nonatomic,strong) UILabel* notificationView;
 @property(assign,getter=getAngle) float currentRawReading;
-@property (nonatomic, retain)/* IBOutlet*/  UIWindow *window;
-@property (nonatomic, retain) UIWindow *secondaryWindow;
+@property (nonatomic, strong)/* IBOutlet*/  UIWindow *window;
+@property (nonatomic, strong) UIWindow *secondaryWindow;
 @property(assign) float dpiRatio;
 @property(assign) float resolutionRatio;
 
diff --git a/Common.iphone/activegsAppDelegate.mm b/Common.iphone/activegsAppDelegate.mm
index 42cfbd6..cbc3054 100644
--- a/Common.iphone/activegsAppDelegate.mm
+++ b/Common.iphone/activegsAppDelegate.mm
@@ -67,9 +67,9 @@ void activegs_apply_default_options(void* _config)
 
 void x_notify_eject()
 {
-    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
-    [[pManager getEmulatorView].kbdc performSelectorOnMainThread:@selector(animateDiskEjection:) withObject:nil waitUntilDone:NO];
-    [pool release];
+    @autoreleasepool {
+        [[pManager getEmulatorView].kbdc performSelectorOnMainThread:@selector(animateDiskEjection:) withObject:nil waitUntilDone:NO];
+    }
     
 }
 
@@ -89,9 +89,9 @@ void x_notify_paddle(int _on)
 	printf("x_notify_paddle");
 	padAlreadyDisplayedOnce = 1;
 	
-	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
-	[[pManager getEmulatorView].kbdc  performSelectorOnMainThread:@selector(notifyPaddle:) withObject:nil waitUntilDone:NO];
-	[pool release];	
+	@autoreleasepool {
+		[[pManager getEmulatorView].kbdc  performSelectorOnMainThread:@selector(notifyPaddle:) withObject:nil waitUntilDone:NO];
+	}	
 	
 }
 
@@ -104,33 +104,33 @@ void x_notify_download_failure(const char*_url)
 
 void x_loadinginprogress(int _on,int _s,int _d)
 {
-	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+	@autoreleasepool {
     
     
-    _d --;
-    int param = (_s==5 ? _d : _d +2 );
-    if (_on) param  |= 0x80;
-    
-    NSNumber* b = [NSNumber numberWithInt:param] ;
+        _d --;
+        int param = (_s==5 ? _d : _d +2 );
+        if (_on) param  |= 0x80;
+        
+        NSNumber* b = [NSNumber numberWithInt:param] ;
 	[[pManager getEmulatorView].kbdc performSelectorOnMainThread:@selector(setLoading:) withObject:b waitUntilDone:NO];
-	[pool release];
+	}
 }
 
 void x_refresh_panel(int _panel)
 {
 	if (!_panel & PANEL_RUNTIME) return ;
-	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
-  	[[pManager getEmulatorView].kbdc performSelectorOnMainThread:@selector(refreshControls:) withObject:nil waitUntilDone:NO];
-	[pool release];
+	@autoreleasepool {
+  	  	[[pManager getEmulatorView].kbdc performSelectorOnMainThread:@selector(refreshControls:) withObject:nil waitUntilDone:NO];
+	}
 }
 
 void x_downloadinginprogress(int _percent)
 {
-	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+	@autoreleasepool {
 	
-	NSNumber* b = [NSNumber numberWithInt:_percent];
-	[[pManager getEmulatorView].kbdc performSelectorOnMainThread:@selector(setDownLoading:) withObject:b waitUntilDone:NO];
-	[pool release];
+		NSNumber* b = [NSNumber numberWithInt:_percent];
+		[[pManager getEmulatorView].kbdc performSelectorOnMainThread:@selector(setDownLoading:) withObject:b waitUntilDone:NO];
+	}
 }
 
 int		 alertAbort;
@@ -142,15 +142,15 @@ MyString alertMessage;
 
 void x_init_persistent_path(MyString& hp)
 {
-	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+	@autoreleasepool {
     
-	NSArray *paths= NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
-	NSString *dir = [paths objectAtIndex:0];
-	const char *bar = [dir UTF8String]; 
-	CFStringRef sd = __CFStringMakeConstantString(bar);
-	hp= CFStringGetCStringPtr(sd,CFStringGetSystemEncoding());
+		NSArray *paths= NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
+		NSString *dir = [paths objectAtIndex:0];
+		const char *bar = [dir UTF8String]; 
+		CFStringRef sd = __CFStringMakeConstantString(bar);
+		hp= CFStringGetCStringPtr(sd,CFStringGetSystemEncoding());
 	
-	[pool release];	
+	}	
 }
 
 
@@ -184,7 +184,7 @@ void x_init_persistent_path(MyString& hp)
 	NSString* strMsg =  [NSString stringWithUTF8String:alertMessage.c_str()];
 	NSString* strTitle =  [NSString stringWithUTF8String:alertTitle.c_str()];
 	
-	UIAlertView *alert = [[[UIAlertView alloc] initWithTitle:strTitle message:strMsg delegate:self cancelButtonTitle:@"Done" otherButtonTitles:nil] autorelease];
+	UIAlertView *alert = [[UIAlertView alloc] initWithTitle:strTitle message:strMsg delegate:self cancelButtonTitle:@"Done" otherButtonTitles:nil];
 	[alert show];
 }
 
@@ -353,7 +353,7 @@ void x_init_persistent_path(MyString& hp)
 #endif
 	
     
-    self.notificationView = [[[UILabel alloc] initWithFrame:CGRectMake(8,48,200,32)] autorelease];
+    self.notificationView = [[UILabel alloc] initWithFrame:CGRectMake(8,48,200,32)];
     
 
     self.notificationView.alpha=0.0;
@@ -645,7 +645,7 @@ void x_init_persistent_path(MyString& hp)
         
         self.secondaryScreen = self.primaryScreen;
         self.secondaryWindow.hidden = YES;
-        [self.secondaryWindow release];
+        self.secondaryWindow;
         self.secondaryWindow = nil;
         
         [a updateView];
@@ -801,12 +801,6 @@ void x_init_persistent_path(MyString& hp)
 		pMac = NULL;
 	}
 	
-	self.viewController = nil;
-    self.emulatorController = nil;
-	self.detailController = nil;
-    self.infoController = nil;
-	self.window = nil;	
-    [super dealloc];
 }
 
 
@@ -891,8 +885,8 @@ void x_display_alert(int _abort, const char* _title, const char* _message)
 	alertAbort = _abort;
 	alertTitle = _title;
 	alertMessage = _message;
-	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
-	[pManager performSelectorOnMainThread:@selector(displayAlert:) withObject:nil waitUntilDone:NO];
-	[pool release];
+	@autoreleasepool {
+		[pManager performSelectorOnMainThread:@selector(displayAlert:) withObject:nil waitUntilDone:NO];
+	}
     
 }
diff --git a/Common.iphone/activegsEmulatorController.h b/Common.iphone/activegsEmulatorController.h
index 44fa61b..2efc766 100644
--- a/Common.iphone/activegsEmulatorController.h
+++ b/Common.iphone/activegsEmulatorController.h
@@ -35,10 +35,10 @@ enum gestureModes
 	NSTimer* disableTimer;
 }
 
-@property (retain,nonatomic) UISwipeGestureRecognizer* grswipeup;
-@property (retain,nonatomic) UISwipeGestureRecognizer* grswipedown;
-@property (retain,nonatomic) UISwipeGestureRecognizer* grswipeleft;
-@property (retain,nonatomic) UISwipeGestureRecognizer* grswiperight;
+@property (strong,nonatomic) UISwipeGestureRecognizer* grswipeup;
+@property (strong,nonatomic) UISwipeGestureRecognizer* grswipedown;
+@property (strong,nonatomic) UISwipeGestureRecognizer* grswipeleft;
+@property (strong,nonatomic) UISwipeGestureRecognizer* grswiperight;
 
 -(void)disableGestures:(int)_mode  ;
 -(void)enableGestures:(int)_mode  ;
@@ -60,10 +60,6 @@ enum attachMode
 
 @interface activegsEmulatorController : UIVIEWCONTROLLERROOT
 {
-	NSString* _trackerName;
-	customView* _contentView;
-	zoomEmulatorView* _zv;	
-	KBDController*      _kbdc ;
 @public
     int    attachedTo;
 }
@@ -74,10 +70,10 @@ enum attachMode
 
 -(void) updateView;
 
-@property	(assign) customView* contentView;
-@property	(assign) zoomEmulatorView* zv;
-@property	(assign) KBDController*		kbdc ;
-@property	(nonatomic, retain) NSString*		trackerName ;
+@property	(nonatomic, strong) customView* contentView;
+@property	(nonatomic, strong) zoomEmulatorView* zv;
+@property	(nonatomic, strong) KBDController*		kbdc ;
+@property	(nonatomic, strong) NSString*		trackerName ;
 
 
 @end
diff --git a/Common.iphone/activegsEmulatorController.mm b/Common.iphone/activegsEmulatorController.mm
index 5dcf138..0026c7b 100644
--- a/Common.iphone/activegsEmulatorController.mm
+++ b/Common.iphone/activegsEmulatorController.mm
@@ -99,7 +99,7 @@ int	x_lock_zoom = 0;
 	{		
 
 		// Swipe down to hide keyboard	
-		self.grswipeup = [[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeUp:)] autorelease];
+		self.grswipeup = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeUp:)];
 		self.grswipeup.direction  = UISwipeGestureRecognizerDirectionUp ;
 		self.grswipeup.cancelsTouchesInView = NO;
 		self.grswipeup.numberOfTouchesRequired = SWIPENBTOUCHES;
@@ -107,14 +107,14 @@ int	x_lock_zoom = 0;
 		
 		
 		// Swipe up to display keyboard	
-		self.grswipedown = [[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeDown:)] autorelease];
+		self.grswipedown = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeDown:)];
 		self.grswipedown.direction  = UISwipeGestureRecognizerDirectionDown;
 		self.grswipedown.cancelsTouchesInView = NO;
 		self.grswipedown.numberOfTouchesRequired = SWIPENBTOUCHES;
 		[self addGestureRecognizer:self.grswipedown];
         
 		// Swipe left to go back to browsing	
-		self.grswipeleft = [[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeLeft:)] autorelease];
+		self.grswipeleft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeLeft:)];
 		self.grswipeleft.direction  = UISwipeGestureRecognizerDirectionLeft;
 		self.grswipeleft.cancelsTouchesInView = NO;
 		self.grswipeleft.numberOfTouchesRequired = SWIPENBTOUCHES;
@@ -122,7 +122,7 @@ int	x_lock_zoom = 0;
 		
 		
 		// Swipe Right to go back to browsing	
-		self.grswiperight = [[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeRight:)] autorelease];
+		self.grswiperight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeRight:)];
 		self.grswiperight.direction  = UISwipeGestureRecognizerDirectionRight;
 		self.grswiperight.cancelsTouchesInView = NO;
 		self.grswiperight.numberOfTouchesRequired = SWIPENBTOUCHES;
@@ -386,26 +386,11 @@ int	x_lock_zoom = 0;
 		
 }
 
-- (void)dealloc 
-{
-
-	self.grswipedown = nil;
-	self.grswipeup = nil;
-	self.grswipeleft = nil;
-	self.grswiperight = nil;
-
-	[super dealloc];
-}
 
 @end
 
 @implementation activegsEmulatorController
 
-@synthesize kbdc = _kbdc;
-@synthesize zv = _zv;
-@synthesize contentView = _contentView;
-@synthesize trackerName = _trackerName;
-
 
 #ifdef USE_CAPPTAIN
 -(NSString*)getCapptainActivityName
@@ -419,7 +404,7 @@ int	x_lock_zoom = 0;
 {
    
     CGRect rv = CGRectMake(0,0,100.0,100.0);
-    self.zv = [[[zoomEmulatorView alloc] initWithFrame:rv ratio:1.0] retain];
+    self.zv = [[zoomEmulatorView alloc] initWithFrame:rv ratio:1.0];
 
 }
 
@@ -431,7 +416,7 @@ int	x_lock_zoom = 0;
 	CGRect apprect = [[UIScreen mainScreen] applicationFrame];
     printf("mainScreen apprect %d x %d\n",(int)apprect.size.width,(int)apprect.size.height);
 
-	self.contentView = [[[customView alloc] initWithFrame:apprect] autorelease];
+	self.contentView = [[customView alloc] initWithFrame:apprect];
 #ifdef SHOW_COLOR
 	self.contentView.backgroundColor = [UIColor yellowColor];
 #else
@@ -443,7 +428,7 @@ int	x_lock_zoom = 0;
     
     [self.zv setUserInteractionEnabled:TRUE];
 
-	self.kbdc = [[KBDController alloc] retain]; 
+	self.kbdc = [KBDController alloc]; 
 	[self.contentView addSubview:self.kbdc.view];
 	
 	self.view = self.contentView;
@@ -684,10 +669,9 @@ int	x_lock_zoom = 0;
 
 - (void)dealloc {
 
-    [self.zv release];
+    self.zv;
     self.zv = nil;
 
-    [super dealloc];
 }
 
 @end
diff --git a/Common.iphone/activegsList.h b/Common.iphone/activegsList.h
index d140272..b0e7c23 100644
--- a/Common.iphone/activegsList.h
+++ b/Common.iphone/activegsList.h
@@ -66,11 +66,11 @@ enum { ONLY_APPLE2=1, ONLY_2GS=2, ALL=4, ALL_NO_INDEX=8, DOC_LIST=128 };
     int	filter;
 }
 
-@property(nonatomic,retain) NSMutableArray* listOfItems;
-@property(nonatomic,retain) UILabelMargin* warningLabel;
-@property(nonatomic,retain) NSString* sourceRevision;
-@property(nonatomic,retain) NSString* sourceName;
-@property(nonatomic,retain) NSArray *searchArray ;
+@property(nonatomic,strong) NSMutableArray* listOfItems;
+@property(nonatomic,strong) UILabelMargin* warningLabel;
+@property(nonatomic,strong) NSString* sourceRevision;
+@property(nonatomic,strong) NSString* sourceName;
+@property(nonatomic,strong) NSArray *searchArray ;
 
 - (simplexml*)addList:(const char*)_listPath;
 - (void)retrieveDocumentList:(MyString&) tempXML withBaseURL:(MyString&)baseURL;
diff --git a/Common.iphone/activegsList.mm b/Common.iphone/activegsList.mm
index 758e37c..183e527 100644
--- a/Common.iphone/activegsList.mm
+++ b/Common.iphone/activegsList.mm
@@ -86,7 +86,6 @@ static	UIImage* defaultImageII = nil;
 	{
 		defaultImage2GS = [UIImage imageWithContentsOfFile: imgSource] ;
 		defaultImage2GS = [AsyncImageView processImage:defaultImage2GS width:64*rr height:40*rr];
-		[defaultImage2GS retain];
 	}
 	else
 		defaultImage2GS = nil;
@@ -96,7 +95,6 @@ static	UIImage* defaultImageII = nil;
 	{
 		defaultImageII = [UIImage imageWithContentsOfFile: imgSource2];
 		defaultImageII = [AsyncImageView processImage:defaultImageII width:64*rr height:40*rr];
-		[defaultImageII retain];
 	}
 	else
 		defaultImageII = nil;
@@ -311,7 +309,7 @@ static	UIImage* defaultImageII = nil;
     for(int i=0;i<list.elements.size();i++)
     {
         ActiveGSElement* el = &list.elements.at(i);
-        itemClass* ic = [[itemClass alloc] autorelease];
+        itemClass* ic = [itemClass alloc];
 //        itemClass* ic = [itemClass alloc];
 
         ic->element = el;
@@ -363,7 +361,7 @@ static NSInteger compareImagesUsingSelector(id p1, id p2, void *context)
 		CGSize s = self.view.frame.size;
 
 		CGRect r = CGRectMake((s.width-LABELWIDTH)/2,(s.height-LABELHEIGHT)/2,LABELWIDTH,LABELHEIGHT);
-		self.warningLabel = [[[UILabelMargin alloc]initWithFrame:r ] autorelease];
+		self.warningLabel = [[UILabelMargin alloc]initWithFrame:r ];
 		self.warningLabel.backgroundColor = [UIColor colorWithWhite:0.8 alpha:0.5];
 		self.warningLabel.lineBreakMode = UILineBreakModeWordWrap;
 		self.warningLabel.numberOfLines = 0;
@@ -396,7 +394,7 @@ static NSInteger compareImagesUsingSelector(id p1, id p2, void *context)
     
     if (!versionPath.IsEmpty())
     {
-        [[[AsyncCommand alloc] initCommand:versionPath.c_str() withObject:self withSelector:@selector(checkUpdateCallback:)] autorelease];
+        [[AsyncCommand alloc] initCommand:versionPath.c_str() withObject:self withSelector:@selector(checkUpdateCallback:)];
     }    
     
 	 bLoaded = 1;
@@ -459,7 +457,7 @@ static NSInteger compareImagesUsingSelector(id p1, id p2, void *context)
 -(void)reloadData:(BOOL)_forceDownload
 {
 	//Initialize the array.
-	self.listOfItems = [[[NSMutableArray alloc] init] autorelease];
+	self.listOfItems = [[NSMutableArray alloc] init];
 	
     list.reset();
 //	pXML = NULL;
@@ -610,7 +608,7 @@ static NSInteger compareImagesUsingSelector(id p1, id p2, void *context)
 	if (cell != nil)
 		return cell;
     
-    cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
+    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
 		
 	cell.textLabel.text = cellValue;
 
@@ -625,7 +623,7 @@ static NSInteger compareImagesUsingSelector(id p1, id p2, void *context)
 	
     
     
-	AsyncImageView* asyncImage = [[AsyncImageView alloc] autorelease];
+	AsyncImageView* asyncImage = [AsyncImageView alloc];
 	float s = [pManager resolutionRatio]*[pManager dpiRatio];
 	[asyncImage initImage:ic->element->thumb.c_str() target:cell.imageView width:64*s height:40*s];
 //	[asyncImage performSelectorOnMainThread:@selector(loadImage:) withObject:nil waitUntilDone:NO];
@@ -750,7 +748,6 @@ static NSInteger compareImagesUsingSelector(id p1, id p2, void *context)
      */
     list.reset();
         
-    [super dealloc];
 }
 
 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
diff --git a/Common.iphone/activegsViewController.h b/Common.iphone/activegsViewController.h
index 36150c4..0e35450 100644
--- a/Common.iphone/activegsViewController.h
+++ b/Common.iphone/activegsViewController.h
@@ -32,12 +32,12 @@
 	
 }
 
-@property (retain,nonatomic) UINavigationItem* navItem;
-@property (retain,nonatomic) UINavigationBar* navView;
-@property (retain,nonatomic) UITabBarController* tabView;
-@property (retain,nonatomic) UIActivityIndicatorView* loader;
-@property (retain,nonatomic) activegsList* docList;
-@property (retain,nonatomic) activegsList* l0;
+@property (strong,nonatomic) UINavigationItem* navItem;
+@property (strong,nonatomic) UINavigationBar* navView;
+@property (strong,nonatomic) UITabBarController* tabView;
+@property (strong,nonatomic) UIActivityIndicatorView* loader;
+@property (strong,nonatomic) activegsList* docList;
+@property (strong,nonatomic) activegsList* l0;
 
 - (void)loadView;
 -(void)updateView;
diff --git a/Common.iphone/activegsViewController.mm b/Common.iphone/activegsViewController.mm
index e4e56d8..a697028 100644
--- a/Common.iphone/activegsViewController.mm
+++ b/Common.iphone/activegsViewController.mm
@@ -86,7 +86,7 @@
     	[self.loader setFrame:rl];
 	
 #endif
-    	self.loader = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
+    	self.loader = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
     
     [self.view addSubview:self.loader];
     
@@ -96,10 +96,10 @@
 	
 	
 	
-	self.navView = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, r.size.width, BARVIEW_HEIGHT)] autorelease];
+	self.navView = [[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, r.size.width, BARVIEW_HEIGHT)];
 	self.navView.barStyle = UIBarStyleBlack;
  //   self.navView.delegate = self;
-	self.navItem = [[[UINavigationItem alloc] initWithTitle:@ACTIVEGS_TITLE] autorelease];
+	self.navItem = [[UINavigationItem alloc] initWithTitle:@ACTIVEGS_TITLE];
     
 #ifdef ACTIVEGS_BACKGROUNDIMAGE
 	[self.view addSubview:pManager.backgroundView];
@@ -132,14 +132,14 @@
 	[backButton setTitle:@"Back" forState:UIControlStateNormal];
 	
 	// create button item -- possible because UIButton subclasses UIView!
-	UIBarButtonItem* browseItem = [[[UIBarButtonItem alloc] initWithCustomView:backButton] autorelease];
+	UIBarButtonItem* browseItem = [[UIBarButtonItem alloc] initWithCustomView:backButton];
 #endif
 	
 	self.navItem.leftBarButtonItem = browseItem;
 	
 	UIButton* infoButton = [UIButton buttonWithType:UIButtonTypeInfoLight]; 
 	[infoButton addTarget:self action:@selector(infoButton:) forControlEvents:UIControlEventTouchUpInside];
-	UIBarButtonItem* infoItem = [[[UIBarButtonItem alloc] initWithCustomView:infoButton] autorelease];
+	UIBarButtonItem* infoItem = [[UIBarButtonItem alloc] initWithCustomView:infoButton];
 	
 	self.navItem.rightBarButtonItem = infoItem;
 	
@@ -148,55 +148,55 @@
 	r.origin.y = self.navView.frame.size.height;
 	r.size.height -= r.origin.y;
     
-    self.tabView = [[[UITabBarController alloc] init] autorelease];
+    self.tabView = [[UITabBarController alloc] init];
 	[self.tabView.view setFrame:r];
 	self.tabView.delegate = self;
 	NSString *imgSource;
     
-	self.l0 = [[activegsList alloc] autorelease];
+	self.l0 = [activegsList alloc];
 	//imgSource = [[NSBundle mainBundle] pathForResource:@ACTIVEGS_FIRSTTABLIST ofType:@"activegsxml"] ;
 	self.l0->listPath = pManager->firstTabXML.c_str();
 	self.l0->filter= ALL_NO_INDEX ;
 	self.l0->trackerName = ACTIVEGS_FIRSTTABTRACKER;
 	imgSource = [[NSBundle mainBundle] pathForResource:@ACTIVEGS_FIRSTTABICON ofType:@"png"];
-	self.l0.tabBarItem = [[[UITabBarItem alloc] initWithTitle:@ACTIVEGS_FIRSTTABTITLE image:[UIImage imageWithContentsOfFile: imgSource] tag:0] autorelease];
+	self.l0.tabBarItem = [[UITabBarItem alloc] initWithTitle:@ACTIVEGS_FIRSTTABTITLE image:[UIImage imageWithContentsOfFile: imgSource] tag:0];
 	
 #ifdef ACTIVEGS_SINGLETAB
     [self.l0.view setFrame:r];
 	[self.view addSubview:self.l0.view];	
 #else
-	activegsList* l3 = [[activegsList alloc] autorelease];
+	activegsList* l3 = [activegsList alloc];
 	l3->listPath = "http://www.freetoolsassociation.com/xml/list.activegsxml";
     l3->versionPath = "http://www.freetoolsassociation.com/xml/version.dat";
 	l3->filter= ALL; 
-	l3.tabBarItem = [[[UITabBarItem alloc] initWithTitle:@"FTA Website" image:[UIImage imageWithContentsOfFile: imgSource] tag:0] autorelease]; ;
+	l3.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"FTA Website" image:[UIImage imageWithContentsOfFile: imgSource] tag:0]; ;
 	l3->trackerName = "FTA";
     
-	activegsList* l1 = [[activegsList alloc] autorelease];
+	activegsList* l1 = [activegsList alloc];
 	l1->listPath = "http://www.virtualapple.org/xmlfiles/list.zip";
     l1->versionPath = "http://www.virtualapple.org/xmlfiles/version.dat";
 	l1->filter = ONLY_APPLE2 ;
 	l1->trackerName = "VirtualApple2";
 	/*NSString */imgSource = [[NSBundle mainBundle] pathForResource:@"Tab][" ofType:@"png"];
-	l1.tabBarItem = [[[UITabBarItem alloc] initWithTitle:@"Apple II" image:[UIImage imageWithContentsOfFile: imgSource] tag:0] autorelease];
+	l1.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"Apple II" image:[UIImage imageWithContentsOfFile: imgSource] tag:0];
 	
-	activegsList* l2 = [[activegsList alloc] autorelease];
+	activegsList* l2 = [activegsList alloc];
 	l2->listPath =  "http://www.virtualapple.org/xmlfiles/list.zip";;
     //	l2.title = @"Apple IIGS";
 	l2->filter = ONLY_2GS;
 	l2->trackerName = "VirtualApple2GS";
 	imgSource = [[NSBundle mainBundle] pathForResource:@"Tab2GS" ofType:@"png"];
-	l2.tabBarItem = [[[UITabBarItem alloc] initWithTitle:@"Apple IIGS" image:[UIImage imageWithContentsOfFile: imgSource] tag:0] autorelease];
+	l2.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"Apple IIGS" image:[UIImage imageWithContentsOfFile: imgSource] tag:0];
     
 #ifndef ACTIVEGS_ENABLE_DOCUMENT
 	self.docList=  nil;
 #else
-	self.docList = [[activegsList alloc] autorelease];
+	self.docList = [activegsList alloc];
 	self.docList->listPath.Empty();
 	self.docList->filter = (int)(ALL_NO_INDEX|DOC_LIST);
 	self.docList->trackerName = "My2GS";	
 	//docList.tabBarItem = [[[UITabBarItem alloc] initWithTitle:@"My 2GS" image:[UIImage imageWithContentsOfFile: imgSource] tag:0] autorelease];
-	self.docList.tabBarItem = [[[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemFavorites tag:0] autorelease];
+	self.docList.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemFavorites tag:0];
 #endif
     
 	[self.tabView setViewControllers:[NSArray arrayWithObjects:self.l0, l3, l1, l2, self.docList,nil]];
@@ -211,13 +211,11 @@
         UISwipeGestureRecognizer* grswipeleft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeLeft:)];
         grswipeleft.direction  = UISwipeGestureRecognizerDirectionLeft;
         [self.view addGestureRecognizer:grswipeleft];
-        [grswipeleft release];
         
         // Swipe right to go back to browsing	
         UISwipeGestureRecognizer* grswiperight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeRight:)];
         grswiperight.direction  = UISwipeGestureRecognizerDirectionRight;
         [self.view addGestureRecognizer:grswiperight];
-        [grswiperight release];
 	
 	// pour etre sur qu'il soit visible
 	[self.view bringSubviewToFront:self.loader];
@@ -244,7 +242,7 @@
 	activegsList* l = (activegsList*) self.tabView.selectedViewController;
     NSString* fmt  = [NSString stringWithFormat:@"Database version v%@ is available!\n(current installed version is v%@)\n\nDo you want to update ?",newVersion,l.sourceRevision];
    
-	UIAlertView *alert = [[[UIAlertView alloc] initWithTitle:l.sourceName message:fmt delegate:self cancelButtonTitle:@"Later" otherButtonTitles:@"Update Now",nil] autorelease];
+	UIAlertView *alert = [[UIAlertView alloc] initWithTitle:l.sourceName message:fmt delegate:self cancelButtonTitle:@"Later" otherButtonTitles:@"Update Now",nil];
 	[alert show];
 }
 
@@ -259,7 +257,7 @@
         fmt  = [NSString stringWithFormat:@"Database v%@\n\nPress Refresh to reload the database.",l.sourceRevision];
         title = l.sourceName;
 	}
-	UIAlertView *alert = [[[UIAlertView alloc] initWithTitle:title message:fmt delegate:self cancelButtonTitle:@"OK" otherButtonTitles:@"Refresh",nil] autorelease];
+	UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:fmt delegate:self cancelButtonTitle:@"OK" otherButtonTitles:@"Refresh",nil];
 	[alert show];
 }
 
diff --git a/Common.iphone/asynccommand.h b/Common.iphone/asynccommand.h
index 20460f5..bf6f630 100644
--- a/Common.iphone/asynccommand.h
+++ b/Common.iphone/asynccommand.h
@@ -15,9 +15,9 @@ NSString *_url;
 id      callbackObj;
 SEL     callbackSel;
 }
-@property (retain,nonatomic) NSMutableData* data;
-@property (retain,nonatomic) NSURLConnection* theConnection;
-@property (retain,nonatomic) NSString *url;
+@property (strong,nonatomic) NSMutableData* data;
+@property (strong,nonatomic) NSURLConnection* theConnection;
+@property (strong,nonatomic) NSString *url;
 
 - (AsyncCommand*)initCommand: (const char*)url withObject:(id)_obj withSelector:(SEL)_sel;
 
diff --git a/Common.iphone/asynccommand.mm b/Common.iphone/asynccommand.mm
index 20dcbc4..10f9ee0 100644
--- a/Common.iphone/asynccommand.mm
+++ b/Common.iphone/asynccommand.mm
@@ -14,13 +14,6 @@
 @synthesize url = _url;
 @synthesize data = _data;
 							
-- (void)dealloc 
-{
-	self.data = nil;
-    self.theConnection = nil;
-    self.url = nil;
-    [super dealloc];
-}
 
 - (AsyncCommand*)initCommand: (const char*)_myurl withObject:(id)_obj withSelector:(SEL)_sel 
 {
@@ -30,10 +23,10 @@
     
    self.url = [NSString stringWithUTF8String:_myurl];
     
-	NSURL* urlnoescape = [[[NSURL alloc] initWithString:[self.url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]] autorelease];
+	NSURL* urlnoescape = [[NSURL alloc] initWithString:[self.url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
 
 	NSURLRequest* request = [NSURLRequest requestWithURL:urlnoescape cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:60.0];
-	self.theConnection = [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease]; 
+	self.theConnection = [[NSURLConnection alloc] initWithRequest:request delegate:self]; 
 
 	
     if (!self.theConnection)
@@ -44,7 +37,7 @@
         return nil;
     }
     {
-        [self retain]; // ajoute une référence
+         // ajoute une référence
         return self;
     }
 }
@@ -52,7 +45,7 @@
 
 //the URL connection calls this repeatedly as data arrives
 - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)incrementalData {
-	if (self.data==nil) { self.data = [[[NSMutableData alloc] initWithCapacity:2048] autorelease]; } 
+	if (self.data==nil) { self.data = [[NSMutableData alloc] initWithCapacity:2048]; } 
 	[self.data appendData:incrementalData];
 }
 
@@ -62,7 +55,6 @@
     printf("callback received\n");
     [callbackObj performSelector:callbackSel withObject:self.data];
 	self.data=nil;
-    [self release];
 	
 }
 
@@ -72,7 +64,6 @@
 	printf("callback failed\n",[self.url UTF8String]);
     [callbackObj performSelector:callbackSel withObject:nil];
 	self.data=nil;
-    [self release];
 }
 
 @end
diff --git a/Common.iphone/asyncimageview.mm b/Common.iphone/asyncimageview.mm
index fac4426..b5bc487 100644
--- a/Common.iphone/asyncimageview.mm
+++ b/Common.iphone/asyncimageview.mm
@@ -23,7 +23,7 @@ static UIActivityIndicatorView* asyncloader=nil;
 	
 	// singleton
 	queue = [[asyncImageQueue alloc] init];
-	queue.theQueue = [[[NSMutableArray alloc] init ] autorelease];
+	queue.theQueue = [[NSMutableArray alloc] init ];
 	queue.theConnection = nil;
 	
 	asyncloader = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
@@ -36,14 +36,6 @@ static UIActivityIndicatorView* asyncloader=nil;
 	return queue;
 }
 
-- (void)dealloc {
-	
-//	[self.theConnection cancel]; //in case the URL is still downloading
-	self.theConnection = nil;
-	self.theQueue = nil;
-	
-	[super dealloc];
-}
 
 -(void)prioritizeItem:(UIImageView*)_mytarget {
 	
@@ -54,10 +46,8 @@ static UIActivityIndicatorView* asyncloader=nil;
 		if (o.target==_mytarget)
 		{
             // le remet au début de la pile = A FAIRE DANS CETTE ORDRE
-            [o retain];
 		    [self.theQueue removeObject:o];
             [self.theQueue addObject:o];
-            [o release];
 			debug_printf("image put on top of the cache %s\n",[o.url UTF8String]);
 			return;
 		}
@@ -100,11 +90,6 @@ static UIActivityIndicatorView* asyncloader=nil;
 @synthesize target = _target;
 @synthesize url = _url;
 							
-- (void)dealloc 
-{
-	self.data = nil;
-    [super dealloc];
-}
 
 
 - (void)processDownload {
@@ -125,12 +110,11 @@ static UIActivityIndicatorView* asyncloader=nil;
 
 	NSURLRequest* request = [NSURLRequest requestWithURL:urlnoescape cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0] ;
 
-    queue.theConnection  = [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease]  ;
+    queue.theConnection  = [[NSURLConnection alloc] initWithRequest:request delegate:self]  ;
     
 	if (!queue.theConnection)
 		printf("NSURLConnection failed\n");
                              
-    [urlnoescape release];
  
 }
 
@@ -188,7 +172,7 @@ static UIActivityIndicatorView* asyncloader=nil;
 			// absolute path
 			str2 = str ; //[NSString stringWithUTF8String:str];
 		}
-		imageView = [[UIImage imageWithContentsOfFile:str2] retain]; // to mimic init 
+		imageView = [UIImage imageWithContentsOfFile:str2]; // to mimic init 
 		if (!imageView)
 		{
 			printf("init image failed (%s)\n",[str2 UTF8String]);
@@ -205,7 +189,7 @@ static UIActivityIndicatorView* asyncloader=nil;
 		
 		dl.getPersistentDirectoryFile([self.url UTF8String],IPHONETHUMB,cache);
 		NSString* strcache = [NSString stringWithUTF8String:cache.c_str()];
-		imageView = [[UIImage imageWithContentsOfFile:strcache] retain];
+		imageView = [UIImage imageWithContentsOfFile:strcache];
 		if (imageView)
 		{
 			debug_printf("image loaded from cache %s\n",getfile(cache.c_str()));
@@ -230,7 +214,7 @@ static UIActivityIndicatorView* asyncloader=nil;
 
 //the URL connection calls this repeatedly as data arrives
 - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)incrementalData {
-	if (self.data==nil) { self.data = [[[NSMutableData alloc] initWithCapacity:2048] autorelease]; } 
+	if (self.data==nil) { self.data = [[NSMutableData alloc] initWithCapacity:2048]; } 
 	[self.data appendData:incrementalData];
 }
 
@@ -374,7 +358,6 @@ static UIActivityIndicatorView* asyncloader=nil;
 		printf("cannot update cache %s\n",cachedURL.c_str());
 	}
     
-	[_img release];
 	
 }
 @end
diff --git a/Common.iphone/detailViewController.h b/Common.iphone/detailViewController.h
index 491d294..1b7492a 100644
--- a/Common.iphone/detailViewController.h
+++ b/Common.iphone/detailViewController.h
@@ -39,22 +39,22 @@
 }
 
 
-@property (nonatomic, retain) IBOutlet UILabel* diskName;
-@property (nonatomic, retain) IBOutlet UILabel* diskYear;
-@property (nonatomic, retain) IBOutlet UILabel* diskCompany;
-@property (nonatomic, retain) IBOutlet UITextView* diskDescription;
-@property (nonatomic, retain) IBOutlet UIImageView* diskApple2;
-@property (nonatomic, retain) IBOutlet UIImageView* diskApple2GS;
-@property (nonatomic, retain) IBOutlet UIWebView* diskWebView;
-@property (nonatomic, retain) IBOutlet UIImageView* screenShot1;
-@property (nonatomic, retain) IBOutlet UIImageView* screenShot2;
-@property (nonatomic, retain) IBOutlet UIImageView* screenShot3;
-@property (nonatomic, retain) IBOutlet UINavigationBar* navView;
+@property (nonatomic, strong) IBOutlet UILabel* diskName;
+@property (nonatomic, strong) IBOutlet UILabel* diskYear;
+@property (nonatomic, strong) IBOutlet UILabel* diskCompany;
+@property (nonatomic, strong) IBOutlet UITextView* diskDescription;
+@property (nonatomic, strong) IBOutlet UIImageView* diskApple2;
+@property (nonatomic, strong) IBOutlet UIImageView* diskApple2GS;
+@property (nonatomic, strong) IBOutlet UIWebView* diskWebView;
+@property (nonatomic, strong) IBOutlet UIImageView* screenShot1;
+@property (nonatomic, strong) IBOutlet UIImageView* screenShot2;
+@property (nonatomic, strong) IBOutlet UIImageView* screenShot3;
+@property (nonatomic, strong) IBOutlet UINavigationBar* navView;
 /*
 @property (nonatomic, retain) itemClass* diskSelected;
 @property (nonatomic, retain) activegsList* list;
  */
-@property (nonatomic, retain) UINavigationItem* navItem;
+@property (nonatomic, strong) UINavigationItem* navItem;
 
 
 - (IBAction) launchButton:(id)_sender;
diff --git a/Common.iphone/detailViewController.mm b/Common.iphone/detailViewController.mm
index 7c3009d..1d6e742 100644
--- a/Common.iphone/detailViewController.mm
+++ b/Common.iphone/detailViewController.mm
@@ -34,13 +34,13 @@
 - (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType
 {
 	
-	requestURL = [[ request URL ] retain];
+	requestURL = [ request URL ];
 	
     // Check to see what protocol/scheme the requested URL is.
     if ( ( [ [ requestURL scheme ] isEqualToString: @"http" ]
 		  || [ [ requestURL scheme ] isEqualToString: @"https" ] )
     	&& ( navigationType == UIWebViewNavigationTypeLinkClicked ) ) {
-		UIAlertView *alert = [[[UIAlertView alloc] initWithTitle:@"iPhone" message:@"Link will open in Safari, continue?" delegate:self cancelButtonTitle:@"Yes" otherButtonTitles:@"No",nil] autorelease];
+		UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"iPhone" message:@"Link will open in Safari, continue?" delegate:self cancelButtonTitle:@"Yes" otherButtonTitles:@"No",nil];
 		[alert show];
 		return NO;
    	}
@@ -84,15 +84,15 @@
 	self.screenShot2.image = nil;
 	self.screenShot3.image = nil;
 	
-	AsyncImageView* asyncImage1 = [[AsyncImageView alloc] autorelease] ;
+	AsyncImageView* asyncImage1 = [AsyncImageView alloc] ;
 	[asyncImage1 initImage:self->diskSelected->screenShots[0].c_str() target:self.screenShot1 width:128 height:80];
 	[asyncImage1 loadImage:nil];
 	
-	AsyncImageView* asyncImage2 = [[AsyncImageView alloc] autorelease];
+	AsyncImageView* asyncImage2 = [AsyncImageView alloc];
 	[asyncImage2 initImage:self->diskSelected->screenShots[1].c_str() target:self.screenShot2 width:128 height:80];
 	[asyncImage2 loadImage:nil];
 	
-	AsyncImageView* asyncImage3 = [[AsyncImageView alloc] autorelease] ;
+	AsyncImageView* asyncImage3 = [AsyncImageView alloc] ;
 	[asyncImage3 initImage:self->diskSelected->screenShots[2].c_str() target:self.screenShot3 width:128 height:80];
 	[asyncImage3 loadImage:nil];
 	
@@ -128,12 +128,6 @@
 }
 
 
-- (void)dealloc
-{
-
-    [requestURL release];
-    [super dealloc];
-}
 
 
 
@@ -141,7 +135,7 @@
 
 
 	CGRect r = [UIScreen mainScreen].applicationFrame;
-	self.navItem = [[[UINavigationItem alloc] initWithTitle:@"Detail"] autorelease];
+	self.navItem = [[UINavigationItem alloc] initWithTitle:@"Detail"];
 	[self.navView pushNavigationItem:self.navItem animated:FALSE];
 	
 	[self.view setFrame:r];
@@ -158,7 +152,7 @@
 	[backButton setTitle:@"List" forState:UIControlStateNormal];
 	
 	// create button item -- possible because UIButton subclasses UIView!
-	UIBarButtonItem* browseItem = [[[UIBarButtonItem alloc] initWithCustomView:backButton] autorelease];
+	UIBarButtonItem* browseItem = [[UIBarButtonItem alloc] initWithCustomView:backButton];
 #endif
 	
 	self.navItem.leftBarButtonItem = browseItem;
@@ -168,7 +162,6 @@
 	grswipeleft.direction  = UISwipeGestureRecognizerDirectionLeft;
 	grswipeleft.cancelsTouchesInView = NO;
 	[self.view addGestureRecognizer:grswipeleft];
-	[grswipeleft release];
 	
 	
 	// Swipe Right to launch	
@@ -176,7 +169,6 @@
 	grswiperight.direction  = UISwipeGestureRecognizerDirectionRight;
 	grswiperight.cancelsTouchesInView = NO;
 	[self.view addGestureRecognizer:grswiperight];
-	[grswiperight release];
 
 	
 }
diff --git a/Common.iphone/infoViewController.h b/Common.iphone/infoViewController.h
index bca1ade..41f34db 100644
--- a/Common.iphone/infoViewController.h
+++ b/Common.iphone/infoViewController.h
@@ -15,10 +15,10 @@
 	UILabel* _versionUILandscape;
 }
 
-@property (nonatomic, retain) IBOutlet UILabel* versionUILandscape;
-@property (nonatomic, retain) IBOutlet UILabel* versionUI;
-@property (nonatomic, retain) IBOutlet UIView* portraitView;
-@property (nonatomic, retain) IBOutlet UIView* landscapeView;
+@property (nonatomic, strong) IBOutlet UILabel* versionUILandscape;
+@property (nonatomic, strong) IBOutlet UILabel* versionUI;
+@property (nonatomic, strong) IBOutlet UIView* portraitView;
+@property (nonatomic, strong) IBOutlet UIView* landscapeView;
 
 - (void)updateView:(UIDeviceOrientation)_orientation ;
 - (IBAction) doneButton:(id)_sender;
diff --git a/Common.iphone/infoViewController.mm b/Common.iphone/infoViewController.mm
index 0f1d2a3..33c502c 100644
--- a/Common.iphone/infoViewController.mm
+++ b/Common.iphone/infoViewController.mm
@@ -18,9 +18,6 @@
 @synthesize portraitView= _portraitView;
 @synthesize landscapeView = _landscapeView;
 
-- (void)dealloc {
-    [super dealloc];
-}
 
 
 -(void)viewDidLoad
@@ -49,14 +46,12 @@
 	grswipeleft.direction  = UISwipeGestureRecognizerDirectionLeft;
 	grswipeleft.cancelsTouchesInView = NO;
 	[self.view addGestureRecognizer:grswipeleft];
-	[grswipeleft release];
 	
 	// Swipe Right to go back to browsing	
 	UISwipeGestureRecognizer* grswiperight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeRight:)];
 	grswiperight.direction  = UISwipeGestureRecognizerDirectionRight;
 	grswiperight.cancelsTouchesInView = NO;
 	[self.view addGestureRecognizer:grswiperight];
-	[grswiperight release];
 
 }
 
@@ -130,7 +125,7 @@
 
 - (IBAction) parametersButton:(id)_sender
 {
-	UIAlertView *alert = [[[UIAlertView alloc] initWithTitle:@"ActiveGS" message:@"Not implemented yet" delegate:self cancelButtonTitle:@"Done" otherButtonTitles:nil] autorelease];
+	UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"ActiveGS" message:@"Not implemented yet" delegate:self cancelButtonTitle:@"Done" otherButtonTitles:nil];
 	[alert show];	
 
 }
diff --git a/kegs/iOS/emulatorView.mm b/kegs/iOS/emulatorView.mm
index 9e2a62d..8574abc 100644
--- a/kegs/iOS/emulatorView.mm
+++ b/kegs/iOS/emulatorView.mm
@@ -20,7 +20,7 @@ int x_frame_rate = -1;
 	if (displayLink)
 		[self deactivateEmulatorRefresh];
 	
-	displayLink = [[CADisplayLink displayLinkWithTarget:self selector:@selector(directDraw:)] retain];
+	displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(directDraw:)];
 
     x_frame_rate = _frameRate;
 	switch(_frameRate)
diff --git a/kegs/iOS/zoomEmulatorView.h b/kegs/iOS/zoomEmulatorView.h
index e999f7c..986b048 100644
--- a/kegs/iOS/zoomEmulatorView.h
+++ b/kegs/iOS/zoomEmulatorView.h
@@ -53,10 +53,10 @@ typedef struct orientationVar orientationVar;
 	UITouch* _secondTouch;
     	int curOrientation;
 }
-@property (retain,nonatomic) emulatorView* ew ;
-@property (retain,nonatomic) UIImageView* crt ;
-@property (retain,nonatomic) UITouch* useTouch ;
-@property (retain,nonatomic) UITouch* secondTouch ;
+@property (strong,nonatomic) emulatorView* ew ;
+@property (strong,nonatomic) UIImageView* crt ;
+@property (strong,nonatomic) UITouch* useTouch ;
+@property (strong,nonatomic) UITouch* secondTouch ;
 
 -(void)updateFrame:(CGRect)frame kbdRect:(CGRect)kbdRect;
 -(void)updateScreen:(CGRect)frame ratio:(float)ratio;
diff --git a/kegs/iOS/zoomEmulatorView.mm b/kegs/iOS/zoomEmulatorView.mm
index 64ff098..d9967d9 100644
--- a/kegs/iOS/zoomEmulatorView.mm
+++ b/kegs/iOS/zoomEmulatorView.mm
@@ -46,7 +46,7 @@
 		
 		self.contentSize = CGSizeMake(r.size.width,r.size.height); 
 		
-		self.ew = [[[emulatorView alloc] initWithFrame:r] autorelease];
+		self.ew = [[emulatorView alloc] initWithFrame:r];
 		[self.ew setUserInteractionEnabled:TRUE];
 				
 		CGColorSpaceRef innerColorSpace = CGColorSpaceCreateDeviceRGB(); 
@@ -62,7 +62,7 @@
 		}
 		CGImageRef innerImageRef = CGBitmapContextCreateImage(icontext);
 		UIImage* img = [UIImage imageWithCGImage:innerImageRef];
-		self.crt = [[[UIImageView alloc]initWithImage:img] autorelease];
+		self.crt = [[UIImageView alloc]initWithImage:img];
 		self.crt.transform = CGAffineTransformMakeScale(1,0.5);
 		[self.crt setFrame:CGRectMake(0,0,r.size.width,r.size.height)];
 		[self.crt setBounds:CGRectMake(0,0,r.size.width,r.size.height*2)];
@@ -801,7 +801,6 @@ float refScaleLandscape;
 - (void)dealloc {
 	
     self.delegate = nil;
-    [super dealloc];
 }